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Chen Q, Cui YF, Zhang ZX, Jiang FC, Meng XY, Li JJ, Cui DY, Jia JL. Effect of alfalfa supplementary change dietary non-fibrous carbohydrate (NFC) to neutral detergent fiber (NDF) ratio on rumen fermentation and microbial function in Gansu alpine fine wool sheep ( Ovis aries). Anim Biotechnol 2024; 35:2262539. [PMID: 37782319 DOI: 10.1080/10495398.2023.2262539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/03/2023]
Abstract
Bodyweight loss and rumen microbial dysfunction of grazing sheep was a challenge for the sheep production industry during cold season, which were considered to correlated with under-roughage-feeding. Alfalfa is a good roughage supplementary for ruminants, which can improve grazing sheep bodyweight-loss and rumen microbial dysfunction during grass-withering period. This study evaluated the effects of alfalfa hay supplementary change dietary non-fibrous carbohydrate/neutral detergent fiber (NFC/NDF) ratios on rumen fermentation and microbial function of Gansu alpine fine wool sheep during extreme cold season. 120 ewes (3-4 yrs) with an average body weight of 28.71 ± 1.22 kg were allocated randomly into three treatments, and fed NFC/NDF of 1.92 (H group), 1.11 (M group), and 0.68 (L group), respectively. This study was conducted for 107 d, including 7 d of adaption to the diets. The rumen fermentation parameters and microbial characteristics were measured after the end of feeding trials. The results showed that the concentrations of sheep body weight, nitrogen components (Total-N, Soluble protein-N and Ammonia-N), blood biochemical indices (LDH, BUN and CHO) and ruminal volatile fatty acids (TVFA and propionate) significantly increased with an increase in the proportion of NFC/NDF ratios (p < .05), and the acetate and acetate/propionat ratio presented a contrary decreasing trend (p < .05). A total of 1018 OTUs were obtained with 97% consistency. Ruminococcus, Ruminococcaceae and Prevotella were observed as the predominant phyla in ruminal fluid microbiota. Higher NFC/NDF ratios with Alfalfa supplementary increased the richness and diversity of ruminal fluid microbiota, and decreased ruminal fluid microbiota beta-diversity. Using clusters of orthologous groups (COG), the ruminal fluid microbiota of alfalfa supplementary feeding showed low immune pathway and high carbohydrate metabolism pathway. In summary, the study suggested that there was an increasing tendency in dietary NFC/NDF ratio of 1.92 in body weight, ruminal fermentation, microbial community composition and fermentation characteristics through developing alfalfa supplementary system.
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Affiliation(s)
- Qian Chen
- College of Agriculture and Animal Husbandry, Qinghai University, Xining, Qinghai, P.R. China
- School of Life Science, Qilu Normal University, Jinan, Shandong, P.R. China
| | - Yun-Feng Cui
- College of Agriculture and Animal Husbandry, Qinghai University, Xining, Qinghai, P.R. China
| | - Zhao-Xi Zhang
- The Bureau of Animal Industry of Zhangqiu, Jinan, Shandong, P.R. China
| | - Fu-Cheng Jiang
- Canada Lallemand Inc, Beijing Office, Beijing, P.R. China
| | - Xiang-Yu Meng
- The Bureau of Animal Industry of Zhangqiu, Jinan, Shandong, P.R. China
| | - Jin-Jin Li
- School of Life Science, Qilu Normal University, Jinan, Shandong, P.R. China
| | - Da-Yong Cui
- School of Life Science, Qilu Normal University, Jinan, Shandong, P.R. China
| | - Jian-Lei Jia
- College of Agriculture and Animal Husbandry, Qinghai University, Xining, Qinghai, P.R. China
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Jegatheesan T, Moorthy AS, Eberl HJ. A mathematical model of competition between fiber and mucin degraders in the gut provides a possible explanation for mucus thinning. J Theor Biol 2024; 587:111824. [PMID: 38604595 DOI: 10.1016/j.jtbi.2024.111824] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Revised: 03/14/2024] [Accepted: 04/06/2024] [Indexed: 04/13/2024]
Abstract
The human gut microbiota relies on complex carbohydrates (glycans) for energy and growth, primarily dietary fiber and host-derived mucins. We introduce a mathematical model of a glycan generalist and a mucin specialist in a two-compartment chemostat model of the human colon. Our objective is to characterize the influence of dietary fiber and mucin supply on the abundance of mucin-degrading species within the gut ecosystem. Current mathematical gut reactor models that include the enzymatic degradation of glycans do not differentiate between glycan types and their degraders. The model we present distinguishes between a generalist that can degrade both dietary fiber and mucin, and a specialist species that can only degrade mucin. The integrity of the colonic mucus barrier is essential for overall human health and well-being, with the mucin specialist Akkermanisa muciniphila being associated with a healthy mucus layer. Competition, particularly between the specialist and generalists like Bacteroides thetaiotaomicron, may lead to mucus layer erosion, especially during periods of dietary fiber deprivation. Our model treats the colon as a gut reactor system, dividing it into two compartments that represent the lumen and the mucus of the gut, resulting in a complex system of ordinary differential equations with a large and uncertain parameter space. To understand the influence of model parameters on long-term behavior, we employ a random forest classifier, a supervised machine learning method. Additionally, a variance-based sensitivity analysis is utilized to determine the sensitivity of steady-state values to changes in model parameter inputs. By constructing this model, we can investigate the underlying mechanisms that control gut microbiota composition and function, free from confounding factors.
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Affiliation(s)
- Thulasi Jegatheesan
- Department of Mathematics and Statistics, University of Guelph, 50 Stone Rd E, Guelph, N1G 2W1, ON, Canada; Biophysics Interdepartmental Group, University of Guelph, 50 Stone Rd E, Guelph, N1G 2W1, ON, Canada
| | - Arun S Moorthy
- Biophysics Interdepartmental Group, University of Guelph, 50 Stone Rd E, Guelph, N1G 2W1, ON, Canada; Department of Forensic Science, Trent University, 1600 West Bank Drive, Peterborough, K9L 0G2, ON, Canada
| | - Hermann J Eberl
- Department of Mathematics and Statistics, University of Guelph, 50 Stone Rd E, Guelph, N1G 2W1, ON, Canada; Biophysics Interdepartmental Group, University of Guelph, 50 Stone Rd E, Guelph, N1G 2W1, ON, Canada.
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Steigerwald H, Blanco-Pérez F, Macías-Camero A, Albrecht M, Huch M, Bender C, Schülke S, Keller J, Krause M, Barbas C, Gonzalez-Menendez I, Quintanilla-Martinez L, Toda M, Barber D, Kulling S, Bunzel M, Vieths S, Villaseñor A, Stoll D, Scheurer S. Effects of pectin methyl-esterification on intestinal microbiota and its immunomodulatory properties in naive mice. Carbohydr Polym 2024; 334:122007. [PMID: 38553199 DOI: 10.1016/j.carbpol.2024.122007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 02/22/2024] [Accepted: 02/27/2024] [Indexed: 04/02/2024]
Abstract
Pectins are dietary fibers that are attributed with several beneficial immunomodulatory effects. Depending on the degree of esterification (DE), pectins can be classified as high methoxyl pectin (HMP) or low methoxyl pectin (LMP). The aim of this study was to investigate the effects of pectin methyl-esterification on intestinal microbiota and its immunomodulatory properties in naive mice. Supplementation of the diet with LMP or HMP induced changes in the composition of the intestinal microbiota in mice toward Bacteroides, which was mainly promoted by HMP. Metabolome analysis of stool samples from pectin-fed mice showed a different effect of the two types of pectin on the levels of short-chain fatty acids and bile acids, which was consistent with highly efficient in vivo fermentation of LMP. Analysis of serum antibody levels showed a significant increase in IgG and IgA levels by both pectins, while FACS analysis revealed a decrease of infiltrating inflammatory cells in the intestinal lamina propria by HMP. Our study revealed that the structural properties of the investigated pectins determine fermentability, effects on microbial composition, metabolite production, and modulation of immune responses. Consumption of HMP preferentially altered the gut microbiota and suppressed pro-inflammatory immune responses, suggesting a beneficial role in inflammatory diseases.
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Affiliation(s)
- Hanna Steigerwald
- Paul-Ehrlich-Institut, Federal Institute for Vaccines and Biomedicines, Molecular Allergology, 63225 Langen, Germany.
| | - Frank Blanco-Pérez
- Paul-Ehrlich-Institut, Federal Institute for Vaccines and Biomedicines, Molecular Allergology, 63225 Langen, Germany.
| | - Andrea Macías-Camero
- Departmento de Ciencias Médicas Básicas, Instituto de Medicina Molecular Aplicada (IMMA) Nemesio Díez, Facultad de Medicina, Universidad San Pablo-CEU, CEU Universities, 28660 Boadilla del Monte, Spain; Centro de Metabolómica y Bioanálisis (CEMBIO), Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities, 28660 Boadilla del Monte, Spain.
| | - Melanie Albrecht
- Paul-Ehrlich-Institut, Federal Institute for Vaccines and Biomedicines, Molecular Allergology, 63225 Langen, Germany.
| | - Melanie Huch
- Max Rubner-Institut, Federal Research Institute of Nutrition and Food, Department of Safety and Quality of Fruit and Vegetables, 76131 Karlsruhe, Germany.
| | - Caroline Bender
- Karlsruhe Institute of Technology, Institute of Applied Biosciences, Department of Food Chemistry and Phytochemistry, 76131 Karlsruhe, Germany.
| | - Stefan Schülke
- Paul-Ehrlich-Institut, Federal Institute for Vaccines and Biomedicines, Molecular Allergology, 63225 Langen, Germany.
| | - Judith Keller
- Karlsruhe Institute of Technology, Institute of Applied Biosciences, Department of Food Chemistry and Phytochemistry, 76131 Karlsruhe, Germany.
| | - Maren Krause
- Paul-Ehrlich-Institut, Federal Institute for Vaccines and Biomedicines, Molecular Allergology, 63225 Langen, Germany.
| | - Coral Barbas
- Centro de Metabolómica y Bioanálisis (CEMBIO), Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities, 28660 Boadilla del Monte, Spain.
| | - Irene Gonzalez-Menendez
- Eberhard Karls University of Tübingen, Institute of Pathology and Neuropathology, Comprehensive Cancer Center, 72074 Tübingen, Germany; Cluster of Excellence iFIT (EXC 2180) "Image-Guided and Functionally Instructed Tumor Therapies", Eberhard Karls University of Tübingen, 72074 Tübingen, Germany.
| | - Leticia Quintanilla-Martinez
- Eberhard Karls University of Tübingen, Institute of Pathology and Neuropathology, Comprehensive Cancer Center, 72074 Tübingen, Germany; Cluster of Excellence iFIT (EXC 2180) "Image-Guided and Functionally Instructed Tumor Therapies", Eberhard Karls University of Tübingen, 72074 Tübingen, Germany.
| | - Masako Toda
- Laboratory of Food and Biomolecular Science, Graduate School of Agricultural Science, Tohoku University, Sendai, Miyagi 980-8577, Japan.
| | - Domingo Barber
- Departmento de Ciencias Médicas Básicas, Instituto de Medicina Molecular Aplicada (IMMA) Nemesio Díez, Facultad de Medicina, Universidad San Pablo-CEU, CEU Universities, 28660 Boadilla del Monte, Spain.
| | - Sabine Kulling
- Max Rubner-Institut, Federal Research Institute of Nutrition and Food, Department of Safety and Quality of Fruit and Vegetables, 76131 Karlsruhe, Germany.
| | - Mirko Bunzel
- Karlsruhe Institute of Technology, Institute of Applied Biosciences, Department of Food Chemistry and Phytochemistry, 76131 Karlsruhe, Germany.
| | - Stefan Vieths
- Paul-Ehrlich-Institut, Federal Institute for Vaccines and Biomedicines, Molecular Allergology, 63225 Langen, Germany.
| | - Alma Villaseñor
- Departmento de Ciencias Médicas Básicas, Instituto de Medicina Molecular Aplicada (IMMA) Nemesio Díez, Facultad de Medicina, Universidad San Pablo-CEU, CEU Universities, 28660 Boadilla del Monte, Spain; Centro de Metabolómica y Bioanálisis (CEMBIO), Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities, 28660 Boadilla del Monte, Spain.
| | - Dominic Stoll
- Max Rubner-Institut, Federal Research Institute of Nutrition and Food, Department of Safety and Quality of Fruit and Vegetables, 76131 Karlsruhe, Germany.
| | - Stephan Scheurer
- Paul-Ehrlich-Institut, Federal Institute for Vaccines and Biomedicines, Molecular Allergology, 63225 Langen, Germany.
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Gao Y, Yu L, Ye Z, Zhang C, Gong Y, Zhang Q, Zhang C, Zhao J, Narbad A, Chen W, Zhai Q, Tian F. In vitro batch fermentation demonstrates variations in the regulation of gut microbiota and metabolic functions by β-glucans of differing structures. Food Res Int 2024; 186:114287. [PMID: 38729740 DOI: 10.1016/j.foodres.2024.114287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 03/03/2024] [Accepted: 03/27/2024] [Indexed: 05/12/2024]
Abstract
The gut microbiota is widely acknowledged as a crucial factor in regulating host health. The structure of dietary fibers determines changes in the gut microbiota and metabolic differences resulting from their fermentation, which in turn affect gut microbe-related health effects. β-Glucan (BG) is a widely accessible dietary fiber to humans, and its structural characteristics vary depending on the source. However, the interactions between different structural BGs and gut microbiota remain unclear. This study used an in vitro fermentation model to investigate the effects of BG on gut microbiota, and microbiomics and metabolomics techniques to explore the relationship between the structure of BG, bacterial communities, and metabolic profiles. The four sources of BG (barley, yeast, algae, and microbial fermentation) contained different types and proportions of glycosidic bonds, which differentially altered the bacterial community. The BG from algal sources, which contained only β(1 → 4) glycosidic bonds, was the least metabolized by the gut microbiota and caused limited metabolic changes. The other three BGs contain more diverse glycosidic bonds and can be degraded by bacteria from multiple genera, causing a wider range of metabolic changes. This work also suggested potential synergistic degradation relationships between gut bacteria based on BG. Overall, this study deepens the structural characterization-microbial-functional understanding of BGs and provides theoretical support for the development of gut microbiota-targeted foods.
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Affiliation(s)
- Yuhang Gao
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Leilei Yu
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China; International Joint Research Laboratory for Probiotics at Jiangnan University, Wuxi, Jiangsu 214122, China.
| | - Zi Ye
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Chuan Zhang
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Yuhong Gong
- Institute of Agri-Food Processing and Nutrition, Beijing Academy of Agriculture and Forestry Sciences / Beijing Key Laboratory of Agricultural Products of Fruits and Vegetables Preservation and Processing / Key Laboratory of Vegetable Postharvest Processing, Ministry of Agriculture and Rural Affairs, Beijing 100097, China.
| | - Qingsong Zhang
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Chengcheng Zhang
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China.
| | - Jianxin Zhao
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China; National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, Jiangsu 214122, China; International Joint Research Laboratory for Probiotics at Jiangnan University, Wuxi, Jiangsu 214122, China.
| | - Arjan Narbad
- International Joint Research Laboratory for Probiotics at Jiangnan University, Wuxi, Jiangsu 214122, China; Gut Health and Microbiome Institute Strategic Programme, Quadram Institute Bioscience, Norwich 16 NR4 7UQ, UK.
| | - Wei Chen
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China; National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, Jiangsu 214122, China; International Joint Research Laboratory for Probiotics at Jiangnan University, Wuxi, Jiangsu 214122, China.
| | - Qixiao Zhai
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China; International Joint Research Laboratory for Probiotics at Jiangnan University, Wuxi, Jiangsu 214122, China.
| | - Fengwei Tian
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China; International Joint Research Laboratory for Probiotics at Jiangnan University, Wuxi, Jiangsu 214122, China.
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5
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Zhou X, Xu Q, Zhang X, Wang H, Bai Y, Wu Y, Liu X, Wang Z, Hu J, Huang M, Pi Y, Zhao J, Wang J, Han D. Mucin alleviates colonic barrier dysfunction by promoting spermine accumulation through enhanced arginine metabolism in Limosilactobacillus mucosae. mSystems 2024; 9:e0024624. [PMID: 38564708 PMCID: PMC11097634 DOI: 10.1128/msystems.00246-24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Accepted: 03/07/2024] [Indexed: 04/04/2024] Open
Abstract
Dietary fiber deprivation is linked to probiotic extinction, mucus barrier dysbiosis, and the overgrowth of mucin-degrading bacteria. However, whether and how mucin could rescue fiber deprivation-induced intestinal barrier defects remains largely unexplored. Here, we sought to investigate the potential role and mechanism by which exogenous mucin maintains the gut barrier function. The results showed that dietary mucin alleviated fiber deprivation-induced disruption of colonic barrier integrity and reduced spermine production in vivo. Importantly, we highlighted that microbial-derived spermine production, but not host-produced spermine, increased significantly after mucin supplementation, with a positive association with upgraded colonic Lactobacillus abundance. After employing an in vitro model, the microbial-derived spermine was consistently dominated by both mucin and Lactobacillus spp. Furthermore, Limosilactobacillus mucosae was identified as an essential spermine-producing Lactobacillus spp., and this isolated strain was responsible for spermine accumulation, especially after adhering to mucin in vitro. Specifically, the mucin-supplemented bacterial supernatant of Limosilactobacillus mucosae was verified to promote intestinal barrier functions through the increased spermine production with a dependence on enhanced arginine metabolism. Overall, these findings collectively provide evidence that mucin-modulated microbial arginine metabolism bridged the interplay between microbes and gut barrier function, illustrating possible implications for host gut health. IMPORTANCE Microbial metabolites like short-chain fatty acids produced by dietary fiber fermentation have been demonstrated to have beneficial effects on intestinal health. However, it is essential to acknowledge that certain amino acids entering the colon can be metabolized by microorganisms to produce polyamines. The polyamines can promote the renewal of intestinal epithelial cell and maintain host-microbe homeostasis. Our study highlighted the specific enrichment by mucin on promoting the arginine metabolism in Limosilactobacillus mucosae to produce spermine, suggesting that microbial-derived polyamines support a significant enhancement on the goblet cell proliferation and barrier function.
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Affiliation(s)
- Xingjian Zhou
- State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Qian Xu
- State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Xiangyu Zhang
- State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Hao Wang
- State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Yu Bai
- State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Yujun Wu
- State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Xiaoyi Liu
- State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Zhenyu Wang
- State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Jie Hu
- State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Mingyi Huang
- State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Yu Pi
- Key Laboratory of Feed Biotechnology of the Ministry of Agriculture and Rural Affairs, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Jinbiao Zhao
- State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Junjun Wang
- State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Dandan Han
- State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
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6
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Wei X, Wang J, Wang Y, Zhao Y, Long Y, Tan B, Li QX, Dong Z, Wan X. Dietary fiber and polyphenols from whole grains: effects on the gut and health improvements. Food Funct 2024; 15:4682-4702. [PMID: 38590246 DOI: 10.1039/d4fo00715h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/10/2024]
Abstract
Cereals are the main source of energy in the human diet. Compared to refined grains, whole grains retain more beneficial components, including dietary fiber, polyphenols, proteins, vitamins, and minerals. Dietary fiber and bound polyphenols (biounavailable) in cereals are important active substances that can be metabolized by the gut microorganisms and affect the intestinal environment. There is a close relationship between the gut microbiota structures and various disease phenotypes, although the consistency of this link is affected by many factors, and the specific mechanisms are still unclear. Remodeling unfavorable microbiota is widely recognized as an important way to target the gut and improve diseases. This paper mainly reviews the interaction between the gut microbiota and cereal-derived dietary fiber and polyphenols, and also summarizes the changes to the gut microbiota and possible molecular mechanisms of related glycolipid metabolism. The exploration of single active ingredients in cereals and their synergistic health mechanisms will contribute to a better understanding of the health benefits of whole grains. It will further help promote healthier whole grain foods by cultivating new varieties with more potential and optimizing processing methods.
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Affiliation(s)
- Xun Wei
- Research Institute of Biology and Agriculture, University of Science and Technology Beijing, Beijing 100024, China.
- Environmental Economics and Natural Resources Group, Wageningen University & Research, Wageningen 6706 KN, The Netherlands
| | - Jianhui Wang
- Research Institute of Biology and Agriculture, University of Science and Technology Beijing, Beijing 100024, China.
| | - Yaxuan Wang
- Research Institute of Biology and Agriculture, University of Science and Technology Beijing, Beijing 100024, China.
| | - Yilin Zhao
- Research Institute of Biology and Agriculture, University of Science and Technology Beijing, Beijing 100024, China.
| | - Yan Long
- Research Institute of Biology and Agriculture, University of Science and Technology Beijing, Beijing 100024, China.
| | - Bin Tan
- Academy of National Food and Strategic Reserves Administration, Beijing 100037, China
| | - Qing X Li
- Department of Molecular Biosciences and Bioengineering, University of Hawaii at Manoa, Honolulu, Hawaii 96822, USA
| | - Zhenying Dong
- Research Institute of Biology and Agriculture, University of Science and Technology Beijing, Beijing 100024, China.
| | - Xiangyuan Wan
- Research Institute of Biology and Agriculture, University of Science and Technology Beijing, Beijing 100024, China.
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7
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Deehan EC, Mocanu V, Madsen KL. Effects of dietary fibre on metabolic health and obesity. Nat Rev Gastroenterol Hepatol 2024; 21:301-318. [PMID: 38326443 DOI: 10.1038/s41575-023-00891-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/18/2023] [Indexed: 02/09/2024]
Abstract
Obesity and metabolic syndrome represent a growing epidemic worldwide. Body weight is regulated through complex interactions between hormonal, neural and metabolic pathways and is influenced by numerous environmental factors. Imbalances between energy intake and expenditure can occur due to several factors, including alterations in eating behaviours, abnormal satiation and satiety, and low energy expenditure. The gut microbiota profoundly affects all aspects of energy homeostasis through diverse mechanisms involving effects on mucosal and systemic immune, hormonal and neural systems. The benefits of dietary fibre on metabolism and obesity have been demonstrated through mechanistic studies and clinical trials, but many questions remain as to how different fibres are best utilized in managing obesity. In this Review, we discuss the physiochemical properties of different fibres, current findings on how fibre and the gut microbiota interact to regulate body weight homeostasis, and knowledge gaps related to using dietary fibres as a complementary strategy. Precision medicine approaches that utilize baseline microbiota and clinical characteristics to predict individual responses to fibre supplementation represent a new paradigm with great potential to enhance weight management efficacy, but many challenges remain before these approaches can be fully implemented.
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Affiliation(s)
- Edward C Deehan
- Department of Food Science and Technology, University of Nebraska, Lincoln, NE, USA
- Nebraska Food for Health Center, Lincoln, NE, USA
| | - Valentin Mocanu
- Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
| | - Karen L Madsen
- Department of Medicine, University of Alberta, Edmonton, Alberta, Canada.
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8
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Nie D, Liu S, Tang W, Zhao C, Zhang Y, Li Y, Liu M, Ou N, Shi N, Yang W, Li Y. Effects of castration and eucalyptus oil supplementation on growth performance, nutrient digestibility, and blood-immunity indicators of male Holstein calves. J Dairy Sci 2024; 107:2850-2863. [PMID: 37977444 DOI: 10.3168/jds.2023-23454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Accepted: 10/31/2023] [Indexed: 11/19/2023]
Abstract
The purpose of this study was to investigate the effects of early castration and eucalyptus oil (EUC) supplementation on dry matter intake (DMI), growth performance, and immune response of Holstein calves. Fifty-six male Holstein calves 52 d old and with an initial body weight (BW) of 63.5 ± 5.27 kg were used. The animals were blocked by BW and randomly assigned into 1 of the 4 treatment groups in a randomized complete block design with a 2 (no castration vs. castration) × 2 (without vs. with EUC) factorial arrangement of treatments. The treatments were (1) uncastrated calves fed without EUC, (2) uncastrated calves fed 0.5 g/d EUC (EUC group), (3) castrated calves (steers) fed without EUC (castrated group), and (4) steers fed with 0.5 g/d EUC (castrated + EUC). The experiment was 8 wk long, including pre- and postweaning (weaned at 72 d). The EUC × castrated interactions were not significant for DMI, growth performance, nutrient digestibility, and immune response. Castration did not affect the DMI, final BW, average daily gain (ADG), or feed efficiency, except that the ADG was greater for bull calves than for steers at postweaning. Supplementation with EUC increased DMI pre- and postweaning and increased the ADG of weaned calves. Digestibility in the total digestive tract was not affected by castration (except for organic matter digestibility), whereas adding EUC improved the digestibility of dry matter, acid detergent fiber, and crude protein. Blood concentration of IL-6 at d 94 was decreased by feeding EUC. These results indicate that the EUC could be fed to either intact or castrated dairy calves to promote growth and health postweaning; castration before weaning may reduce ADG and cause inflammatory stress without affecting feed intake or feed efficiency.
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Affiliation(s)
- Dechao Nie
- Animal Science and Technology College, Beijing University of Agriculture, Changping, Beijing 102206, China
| | - Shutian Liu
- Animal Science and Technology College, Beijing University of Agriculture, Changping, Beijing 102206, China
| | - Weixuan Tang
- Animal Science and Technology College, Beijing University of Agriculture, Changping, Beijing 102206, China
| | - Chen Zhao
- Animal Science and Technology College, Beijing University of Agriculture, Changping, Beijing 102206, China
| | - Yan Zhang
- Animal Science and Technology College, Beijing University of Agriculture, Changping, Beijing 102206, China
| | - Yan Li
- Animal Science and Technology College, Beijing University of Agriculture, Changping, Beijing 102206, China
| | - Mengzhe Liu
- Animal Science and Technology College, Beijing University of Agriculture, Changping, Beijing 102206, China
| | - Niantao Ou
- Animal Science and Technology College, Beijing University of Agriculture, Changping, Beijing 102206, China
| | - Ning Shi
- Animal Science and Technology College, Beijing University of Agriculture, Changping, Beijing 102206, China
| | - Wenzhu Yang
- Agriculture and Agri-Food Canada, Lethbridge Research and Development Centre, Lethbridge, AB, T1J 4B1, Canada
| | - Yanling Li
- Animal Science and Technology College, Beijing University of Agriculture, Changping, Beijing 102206, China.
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9
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Muñoz-Juan A, Assié A, Esteve-Codina A, Gut M, Benseny-Cases N, Samuel BS, Dalfó E, Laromaine A. Caenorhabditis elegans endorse bacterial nanocellulose fibers as functional dietary Fiber reducing lipid markers. Carbohydr Polym 2024; 331:121815. [PMID: 38388067 DOI: 10.1016/j.carbpol.2024.121815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 01/09/2024] [Accepted: 01/10/2024] [Indexed: 02/24/2024]
Abstract
Bacterial nanocellulose (BNC) is a promising dietary fiber with potential as a functional food additive. We evaluated BNC fibers (BNCf) in the Caenorhabditis elegans model to obtain insight into the BNCf's biointeraction with its gastrointestinal tract while reducing the variables of higher complex animals. BNCf were uptaken and excreted by worms without crossing the intestinal barrier, confirming its biosafety regarding survival rate, reproduction, and aging for concentrations up to 34 μg/ml BNCf. However, a slight decrease in the worms' length was detected. A possible nutrient shortage or stress produced by BNCf was discarded by measuring stress and chemotactic response pathways. Besides, we detected a lipid-lowering effect of BNCf in N2 C. elegans in normal and high-caloric diets. Oxidative damage was computed in N2 worms and Rac1/ced-10 mutants. The GTPase Rac1 is involved in neurological diseases, where its dysregulation enhances ROS production and neuronal damage. BNCf reduced the lipid oxidative markers produced by ROS species in this worm strain. Finally, we detected that BNCf activated the genetic expression of the immunological response and lipid catabolic process. These results strengthen the use of BNCf as a functional dietary fiber and encourage the potential treatment of neurological disease by modulating diet.
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Affiliation(s)
- Amanda Muñoz-Juan
- Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), Campus UAB, Bellaterra 08193, Spain
| | - Adrien Assié
- Alkek Center for Metagenomics and Microbiome Research and Department of Molecular Virology and Microbiology, Baylor College of Medicine, 1 Baylor Plaza, Houston, TX 77030, USA
| | - Anna Esteve-Codina
- Centro Nacional de Análisis Genómico (CNAG), C/Baldiri Reixac 4, 08028 Barcelona, Spain
| | - Marta Gut
- Centro Nacional de Análisis Genómico (CNAG), C/Baldiri Reixac 4, 08028 Barcelona, Spain
| | - Núria Benseny-Cases
- Universitat Autònoma de Barcelona, Biophysics Unit, Department of Biochemistry and Molecular Biology, Faculty of Medicine, Avinguda de Can Domènech, 08193 Cerdanyola del Vallès, Spain
| | - Buck S Samuel
- Alkek Center for Metagenomics and Microbiome Research and Department of Molecular Virology and Microbiology, Baylor College of Medicine, 1 Baylor Plaza, Houston, TX 77030, USA; Program in Development, Disease Models and Therapeutics, Baylor College of Medicine, 1 Baylor Plaza, Houston, TX 77030, USA
| | - Esther Dalfó
- Faculty of Medicine, University of Vic-Central University of Catalonia (UVic-UCC), 08500 Vic, Spain; Institute for Research and Innovation in Life Sciences and Health in Central Catalonia (IRIS-CC), Can Baumann, 08500, Vic, Spain; Institut de Neurociències, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain; Departament de Bioquímica i Biologia Molecular, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Anna Laromaine
- Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), Campus UAB, Bellaterra 08193, Spain.
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10
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Huangfu W, Cao S, Li S, Zhang S, Liu M, Liu B, Zhu X, Cui Y, Wang Z, Zhao J, Shi Y. In vitro and in vivo fermentation models to study the function of dietary fiber in pig nutrition. Appl Microbiol Biotechnol 2024; 108:314. [PMID: 38683435 PMCID: PMC11058960 DOI: 10.1007/s00253-024-13148-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 04/08/2024] [Accepted: 04/15/2024] [Indexed: 05/01/2024]
Abstract
The importance of dietary fiber (DF) in animal diets is increasing with the advancement of nutritional research. DF is fermented by gut microbiota to produce metabolites, which are important in improving intestinal health. This review is a systematic review of DF in pig nutrition using in vitro and in vivo models. The fermentation characteristics of DF and the metabolic mechanisms of its metabolites were summarized in an in vitro model, and it was pointed out that SCFAs and gases are the important metabolites connecting DF, gut microbiota, and intestinal health, and they play a key role in intestinal health. At the same time, some information about host-microbe interactions could have been improved through traditional animal in vivo models, and the most direct feedback on nutrients was generated, confirming the beneficial effects of DF on sow reproductive performance, piglet intestinal health, and growing pork quality. Finally, the advantages and disadvantages of different fermentation models were compared. In future studies, it is necessary to flexibly combine in vivo and in vitro fermentation models to profoundly investigate the mechanism of DF on the organism in order to promote the development of precision nutrition tools and to provide a scientific basis for the in-depth and rational utilization of DF in animal husbandry. KEY POINTS: • The fermentation characteristics of dietary fiber in vitro models were reviewed. • Metabolic pathways of metabolites and their roles in the intestine were reviewed. • The role of dietary fiber in pigs at different stages was reviewed.
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Affiliation(s)
- Weikang Huangfu
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou, No.15 Longzihu University Area, Zhengdong New District, Zhengzhou, 450046, China
| | - Shixi Cao
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou, No.15 Longzihu University Area, Zhengdong New District, Zhengzhou, 450046, China
| | - Shouren Li
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou, No.15 Longzihu University Area, Zhengdong New District, Zhengzhou, 450046, China
| | - Shuhang Zhang
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou, No.15 Longzihu University Area, Zhengdong New District, Zhengzhou, 450046, China
| | - Mengqi Liu
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou, No.15 Longzihu University Area, Zhengdong New District, Zhengzhou, 450046, China
| | - Boshuai Liu
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou, No.15 Longzihu University Area, Zhengdong New District, Zhengzhou, 450046, China
- Henan Key Laboratory of Innovation and Utilization of Grassland Resources, Zhengzhou, China
- Henan Forage Engineering Technology Research Center, Zhengzhou, 450002, Henan, China
| | - Xiaoyan Zhu
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou, No.15 Longzihu University Area, Zhengdong New District, Zhengzhou, 450046, China
- Henan Key Laboratory of Innovation and Utilization of Grassland Resources, Zhengzhou, China
- Henan Forage Engineering Technology Research Center, Zhengzhou, 450002, Henan, China
| | - Yalei Cui
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou, No.15 Longzihu University Area, Zhengdong New District, Zhengzhou, 450046, China
- Henan Key Laboratory of Innovation and Utilization of Grassland Resources, Zhengzhou, China
- Henan Forage Engineering Technology Research Center, Zhengzhou, 450002, Henan, China
| | - Zhichang Wang
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou, No.15 Longzihu University Area, Zhengdong New District, Zhengzhou, 450046, China
- Henan Key Laboratory of Innovation and Utilization of Grassland Resources, Zhengzhou, China
- Henan Forage Engineering Technology Research Center, Zhengzhou, 450002, Henan, China
| | - Jiangchao Zhao
- Department of Animal Science, Division of Agriculture, University of Arkansas, Fayetteville, AR, USA
| | - Yinghua Shi
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou, No.15 Longzihu University Area, Zhengdong New District, Zhengzhou, 450046, China.
- Henan Key Laboratory of Innovation and Utilization of Grassland Resources, Zhengzhou, China.
- Henan Forage Engineering Technology Research Center, Zhengzhou, 450002, Henan, China.
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11
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Ma W, Wang Y, Nguyen LH, Mehta RS, Ha J, Bhosle A, Mclver LJ, Song M, Clish CB, Strate LL, Huttenhower C, Chan AT. Gut microbiome composition and metabolic activity in women with diverticulitis. Nat Commun 2024; 15:3612. [PMID: 38684664 PMCID: PMC11059386 DOI: 10.1038/s41467-024-47859-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 04/11/2024] [Indexed: 05/02/2024] Open
Abstract
The etiopathogenesis of diverticulitis, among the most common gastrointestinal diagnoses, remains largely unknown. By leveraging stool collected within a large prospective cohort, we performed shotgun metagenomic sequencing and untargeted metabolomics profiling among 121 women diagnosed with diverticulitis requiring antibiotics or hospitalizations (cases), matched to 121 women without diverticulitis (controls) according to age and race. Overall microbial community structure and metabolomic profiles differed in diverticulitis cases compared to controls, including enrichment of pro-inflammatory Ruminococcus gnavus, 1,7-dimethyluric acid, and histidine-related metabolites, and depletion of butyrate-producing bacteria and anti-inflammatory ceramides. Through integrated multi-omic analysis, we detected covarying microbial and metabolic features, such as Bilophila wadsworthia and bile acids, specific to diverticulitis. Additionally, we observed that microbial composition modulated the protective association between a prudent fiber-rich diet and diverticulitis. Our findings offer insights into the perturbations in inflammation-related microbial and metabolic signatures associated with diverticulitis, supporting the potential of microbial-based diagnostics and therapeutic targets.
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Affiliation(s)
- Wenjie Ma
- Clinical and Translational Epidemiology Unit, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Yiqing Wang
- Clinical and Translational Epidemiology Unit, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Long H Nguyen
- Clinical and Translational Epidemiology Unit, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Raaj S Mehta
- Clinical and Translational Epidemiology Unit, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Jane Ha
- Clinical and Translational Epidemiology Unit, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Amrisha Bhosle
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Lauren J Mclver
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Mingyang Song
- Clinical and Translational Epidemiology Unit, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Clary B Clish
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Lisa L Strate
- Division of Gastroenterology, University of Washington School of Medicine, Seattle, WA, USA
| | - Curtis Huttenhower
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Andrew T Chan
- Clinical and Translational Epidemiology Unit, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.
- Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.
- Broad Institute of MIT and Harvard, Cambridge, MA, USA.
- Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, USA.
- Cancer Center, Massachusetts General Hospital, Boston, MA, USA.
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA.
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12
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Holmberg SM, Feeney RH, Prasoodanan P K V, Puértolas-Balint F, Singh DK, Wongkuna S, Zandbergen L, Hauner H, Brandl B, Nieminen AI, Skurk T, Schroeder BO. The gut commensal Blautia maintains colonic mucus function under low-fiber consumption through secretion of short-chain fatty acids. Nat Commun 2024; 15:3502. [PMID: 38664378 PMCID: PMC11045866 DOI: 10.1038/s41467-024-47594-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Accepted: 04/03/2024] [Indexed: 04/28/2024] Open
Abstract
Beneficial gut bacteria are indispensable for developing colonic mucus and fully establishing its protective function against intestinal microorganisms. Low-fiber diet consumption alters the gut bacterial configuration and disturbs this microbe-mucus interaction, but the specific bacteria and microbial metabolites responsible for maintaining mucus function remain poorly understood. By using human-to-mouse microbiota transplantation and ex vivo analysis of colonic mucus function, we here show as a proof-of-concept that individuals who increase their daily dietary fiber intake can improve the capacity of their gut microbiota to prevent diet-mediated mucus defects. Mucus growth, a critical feature of intact colonic mucus, correlated with the abundance of the gut commensal Blautia, and supplementation of Blautia coccoides to mice confirmed its mucus-stimulating capacity. Mechanistically, B. coccoides stimulated mucus growth through the production of the short-chain fatty acids propionate and acetate via activation of the short-chain fatty acid receptor Ffar2, which could serve as a new target to restore mucus growth during mucus-associated lifestyle diseases.
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Affiliation(s)
- Sandra M Holmberg
- Department of Molecular Biology, Umeå University, Umeå, Sweden
- Laboratory for Molecular Infection Medicine Sweden (MIMS) and Umeå Center for Microbial Research (UCMR), Umeå University, Umeå, Sweden
| | - Rachel H Feeney
- Department of Molecular Biology, Umeå University, Umeå, Sweden
- Laboratory for Molecular Infection Medicine Sweden (MIMS) and Umeå Center for Microbial Research (UCMR), Umeå University, Umeå, Sweden
| | - Vishnu Prasoodanan P K
- Department of Molecular Biology, Umeå University, Umeå, Sweden
- Laboratory for Molecular Infection Medicine Sweden (MIMS) and Umeå Center for Microbial Research (UCMR), Umeå University, Umeå, Sweden
| | - Fabiola Puértolas-Balint
- Department of Molecular Biology, Umeå University, Umeå, Sweden
- Laboratory for Molecular Infection Medicine Sweden (MIMS) and Umeå Center for Microbial Research (UCMR), Umeå University, Umeå, Sweden
| | - Dhirendra K Singh
- Department of Molecular Biology, Umeå University, Umeå, Sweden
- Laboratory for Molecular Infection Medicine Sweden (MIMS) and Umeå Center for Microbial Research (UCMR), Umeå University, Umeå, Sweden
| | - Supapit Wongkuna
- Department of Molecular Biology, Umeå University, Umeå, Sweden
- Laboratory for Molecular Infection Medicine Sweden (MIMS) and Umeå Center for Microbial Research (UCMR), Umeå University, Umeå, Sweden
| | - Lotte Zandbergen
- Department of Molecular Biology, Umeå University, Umeå, Sweden
- Laboratory for Molecular Infection Medicine Sweden (MIMS) and Umeå Center for Microbial Research (UCMR), Umeå University, Umeå, Sweden
| | - Hans Hauner
- Institute in Nutritional Medicine, TU Munich, Munich, Germany
- TU Munich, School of Medicine, Munich, Germany
| | - Beate Brandl
- ZIEL Institute for Food and Health, TU Munich, Munich, Germany
| | - Anni I Nieminen
- Institute for Molecular Medicine Finland (FIMM), University of Helsinki, Helsinki, Finland
| | - Thomas Skurk
- ZIEL Institute for Food and Health, TU Munich, Munich, Germany
| | - Bjoern O Schroeder
- Department of Molecular Biology, Umeå University, Umeå, Sweden.
- Laboratory for Molecular Infection Medicine Sweden (MIMS) and Umeå Center for Microbial Research (UCMR), Umeå University, Umeå, Sweden.
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13
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Xu Y, Zhou C, Zong M, Zhu J, Guo X, Sun Z. High-protein high-konjac glucomannan diets changed glucose and lipid metabolism by modulating colonic microflora and bile acid profiles in healthy mouse models. Food Funct 2024; 15:4446-4461. [PMID: 38563504 DOI: 10.1039/d4fo00159a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
High protein and fiber diets are becoming increasingly popular for weight loss; however, the benefits or risks of high protein and fiber diets with a normal calorie level for healthy individuals still need to be elucidated. In this study, we explored the role and mechanisms of long-term high protein and/or konjac glucomannan diets on the metabolic health of healthy mouse models. We found that high konjac glucomannan contents improved the glucose tolerance of mice and both high protein and high konjac glucomannan contents improved the serum lipid profile but increased the TNF-α levels. In the liver, high dietary protein contents reduced the expression of the FASN gene related to fatty acid synthesis. Interactions of dietary protein and fiber were shown in the signaling pathways related to lipid and glucose metabolism of the liver and the inflammatory status of the colon, wherein the high protein and high konjac glucomannan diet downregulated the expression of the SREBF1 and FXR genes in the liver and downregulated the expression of TNF-α genes in the colon compared to the high protein diet. High konjac glucomannan contents reduced the colonic secondary bile acid levels including DCA and LCA; this was largely associated with the changed microbiota profile and also contributed to improved lipid and glucose homeostasis. In conclusion, high protein diets improved lipid homeostasis and were not a risk to metabolic health, while high fiber diets improved glucose and lipid homeostasis by modulating colonic microbiota and bile acid profiles, and a high protein diet supplemented with konjac glucomannan might improve hepatic lipid homeostasis and colonic inflammation in healthy mouse models through long-term intervention.
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Affiliation(s)
- Yetong Xu
- Laboratory for Bio-Feed and Molecular Nutrition, Department of Animal Science and Technology, Southwest University, Chongqing 400715, P. R. China.
| | - Chengyu Zhou
- Laboratory for Bio-Feed and Molecular Nutrition, Department of Animal Science and Technology, Southwest University, Chongqing 400715, P. R. China.
| | - Minyue Zong
- Laboratory for Bio-Feed and Molecular Nutrition, Department of Animal Science and Technology, Southwest University, Chongqing 400715, P. R. China.
| | - Junwei Zhu
- Laboratory for Bio-Feed and Molecular Nutrition, Department of Animal Science and Technology, Southwest University, Chongqing 400715, P. R. China.
| | - Xutong Guo
- Laboratory for Bio-Feed and Molecular Nutrition, Department of Animal Science and Technology, Southwest University, Chongqing 400715, P. R. China.
| | - Zhihong Sun
- Laboratory for Bio-Feed and Molecular Nutrition, Department of Animal Science and Technology, Southwest University, Chongqing 400715, P. R. China.
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14
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Xiao X, Li X, Bai J, Fan S, Daglia M, Li J, Ding Y, Zhang Y, Zhao Y. Changes in the structural, physicochemical and functional properties and in vitro fecal fermentation characteristics of barley dietary fiber fermented by Lactiplantibacillus plantarum dy-1. Food Funct 2024; 15:4276-4291. [PMID: 38526568 DOI: 10.1039/d3fo05605h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/26/2024]
Abstract
Fermentation is an effective method for improving the nutritional quality and functional characteristics of grains. This study investigated changes in the structural, physicochemical, and functional properties of fermented barley dietary fiber (FBDF) exerted by Lactiplantibacillus plantarum dy-1 (Lp. plantarum dy-1) as well as its in vitro fecal fermentation characteristics. Lp. plantarum dy-1 fermentation remarkably changed the structure of FBDF, including the microstructure and monosaccharide components, correlating with improved water or oil retaining and cholesterol adsorption capacities. Additionally, Lp. plantarum dy-1 fermentation significantly (p < 0.05) promoted the release of bound phenolics from 6.24 mg g-1 to 6.93 mg g-1 during in vitro digestion, contributing to the higher antioxidant capacity and inhibitory activity of α-amylase and pancreatic lipase compared with those of raw barley dietary fiber (RBDF). A total of 14 phenolic compounds were detected in the supernatants of digestion and fermentation samples. During colonic fermentation, FBDF significantly increased the production of acetate, propionate, and butyrate (p < 0.05), inhibited the growth of Escherichia-Shigella, and promoted the abundance of SCFA-producing microbiota such as Faecalibacterium and Prevotella_9. In conclusion, Lp. plantarum dy-1 fermentation enhanced the physicochemical properties and in vitro fermentation characteristics of barley dietary fiber, representing a promising bioprocessing technology for modifying barley bran.
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Affiliation(s)
- Xiang Xiao
- School of Food and Biological Engineering, Jiangsu, University, Zhenjiang, Jiangsu Province, 212013, China.
| | - Xiaodong Li
- School of Food and Biological Engineering, Jiangsu, University, Zhenjiang, Jiangsu Province, 212013, China.
| | - Juan Bai
- School of Food and Biological Engineering, Jiangsu, University, Zhenjiang, Jiangsu Province, 212013, China.
| | - Songtao Fan
- School of Food and Biological Engineering, Jiangsu, University, Zhenjiang, Jiangsu Province, 212013, China.
| | - Maria Daglia
- International Research Center for Food Nutrition and Safety, Jiangsu University, Zhenjiang 212013, China
- Department of Pharmacy, University of Naples Federico II, Via D. Montesano 49, 80131 Naples, Italy
| | - Jiaying Li
- School of Food and Biological Engineering, Jiangsu, University, Zhenjiang, Jiangsu Province, 212013, China.
| | - Yiwei Ding
- School of Food and Biological Engineering, Jiangsu, University, Zhenjiang, Jiangsu Province, 212013, China.
| | - Yanshun Zhang
- School of Food and Biological Engineering, Jiangsu, University, Zhenjiang, Jiangsu Province, 212013, China.
| | - Yansheng Zhao
- School of Food and Biological Engineering, Jiangsu, University, Zhenjiang, Jiangsu Province, 212013, China.
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15
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Hart JB, Poon RK, Ward RE, Hintze KJ, Freeman SM. Effects of Dietary Fiber on Short Chain Fatty Acid Receptor mRNA in Microglia and Serotonergic Neurons in the Mouse Brain. Neuroscience 2024; 544:88-101. [PMID: 38431042 DOI: 10.1016/j.neuroscience.2024.02.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 02/23/2024] [Accepted: 02/26/2024] [Indexed: 03/05/2024]
Abstract
Short-chain fatty acids (SCFAs) are bioactive lipids that are released into the colon as a metabolite of bacterial fermentation of dietary fibers. Beyond their function in the gastrointestinal tract, SCFAs can also have effects inthe brain, as a part of the gut-brain axis. Recent investigations into potential therapeutic interventions via the manipulation of the gut microbiome-and thus their SCFA metabolites-has been emerging as a new branch of personalized medicine,especially for mental health conditions. The current study sought to measure and localize SCFA receptors in the mouse brain. Two cell types have been implicated in the gut-brain axis: microglia and serotonergic neurons. We used fluorescentin situhybridization in brain sections from mice fed diets with different compositions of fat and fiber to quantify the mRNA levels of known gene markers of these two cell types and colocalize each with mRNA for free fatty acid receptors that bind SCFAs. We focused onmicroglia in the hippocampus and the serotonergic neurons of the dorsal raphe. We found high colocalization of SCFA receptors in both microglia and serotonergic neurons and discovered that SCFA receptor expression in the dorsal raphe is driven by fiber solubility, while SCFA receptor expression in the hippocampus is driven by fiber amount. Higher dietary fiber was associated with decreased tyrosine hydroxylase expression. Thus, our results indicate that the amount and solubility of dietary fiber can change gene expression in the brain's microglia and serotonin neurons, potentially via sensitivity to circulating levels of SCFAs produced in the gut.
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Affiliation(s)
- Janna B Hart
- Department of Biology, Utah State University, Logan, UT, USA
| | - Robert K Poon
- Department of Nutrition, Dietetics and Food Sciences, Utah State University, Logan, UT, USA
| | - Robert E Ward
- Department of Nutrition, Dietetics and Food Sciences, Utah State University, Logan, UT, USA
| | - Korry J Hintze
- Department of Nutrition, Dietetics and Food Sciences, Utah State University, Logan, UT, USA
| | - Sara M Freeman
- Department of Biology, Utah State University, Logan, UT, USA.
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16
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Robles Jimenez LE, Aguirre EA, Cruz MDLAC, Schettino-Bermúdez B, Gutiérrez-Tolentino R, Chay-Canul AJ, Garcia-Herrera RA, Ghavipanje N, Castelan Ortega OA, Vargas-Bello-Pérez E, Gonzalez-Ronquillo M. Inclusion of chia seeds (Salvia hispanica L.) and pumpkin seeds (Cucurbita moschata) in dairy sheep diets. PLoS One 2024; 19:e0300864. [PMID: 38635849 PMCID: PMC11025919 DOI: 10.1371/journal.pone.0300864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Accepted: 03/06/2024] [Indexed: 04/20/2024] Open
Abstract
Chia (Salvia hispanica L.) seed (CS) and Pumpkin (Cucurbita moschata) seed (PS) are used in ruminant diets as energy sources. The current experiment studied the impact of dietary inclusion of CS and PS on nutrient intake and digestibility, milk yield, and milk composition of dairy sheep. Twelve primiparous Texel × Suffolk ewes [70 ± 5 days in milk (DIM); 0.320 ± 0.029 kg milk yield] were distributed in a 4 × 3 Latin square design and fed either a butter-based control diet [CON; 13 g/kg dry matter] or two diets with 61 g/kg DM of either CS or PS. Dietary inclusion of CS and PS did not alter live weight (p >0.1) and DM intake (p >0.1). However, compared to the CON, dietary inclusion of both CS and PS increased the digestibility of neutral detergent fiber (p <0.001) and acid detergent lignin (p < 0.001). Milk production (p = 0.001), fat-corrected milk (p < 0.001), and feed efficiency (p < 0.001) were enhanced with PS, while the highest milk protein yield (p < 0.05) and lactose yield (p < 0.001) were for CS-fed ewes. Compared to the CON diet, the ingestion of either CS and/or PS decreased (p < 0.001) the C16:0 in milk. Moreover, both CS and PS tended to enhance the content of C18:3n6 (p > 0.05) and C18:3n3 (p > 0.05). Overall short-term feeding of CS and/or PS (up to 6.1% DM of diet) not only maintains the production performance and digestibility of nutrients but also positively modifies the milk FA composition.
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Affiliation(s)
- Lizbeth E. Robles Jimenez
- Facultad de Medicina Veterinaria y Zootecnia, Departamento de Nutricion Animal, Universidad Autonoma del Estado de Mexico, Toluca, State of Mexico, Mexico
| | - Edgar Aranda Aguirre
- Facultad de Medicina Veterinaria y Zootecnia, Departamento de Nutricion Animal, Universidad Autonoma del Estado de Mexico, Toluca, State of Mexico, Mexico
| | | | - Beatriz Schettino-Bermúdez
- Departamento de Producción Agrícola Animal, Universidad Autónoma Metropolitana Xochimilco, Villa Quietud, Coyoacán, Cd. de México, México
| | - Rey Gutiérrez-Tolentino
- Departamento de Producción Agrícola Animal, Universidad Autónoma Metropolitana Xochimilco, Villa Quietud, Coyoacán, Cd. de México, México
| | - Alfonso J. Chay-Canul
- División Académica de Ciencias Agropecuarias, Universidad Juárez Autónoma de Tabasco, Carretera Villahermosa-Teapa, Villahermosa, Tabasco, México
| | - Ricardo A. Garcia-Herrera
- División Académica de Ciencias Agropecuarias, Universidad Juárez Autónoma de Tabasco, Carretera Villahermosa-Teapa, Villahermosa, Tabasco, México
| | - Navid Ghavipanje
- Faculty of Agriculture, Department of Animal Science, University of Birjand, Birjand, Iran
| | - Octavio A. Castelan Ortega
- Facultad de Medicina Veterinaria y Zootecnia, Departamento de Nutricion Animal, Universidad Autonoma del Estado de Mexico, Toluca, State of Mexico, Mexico
| | - Einar Vargas-Bello-Pérez
- Facultad de Zootecnia y Ecología, Universidad Autónoma de Chihuahua, Chihuahua, Mexico
- Department of Animal Sciences, School of Agriculture, Policy and Development, University of Reading, Earley Gate, Reading, United Kingdom
| | - Manuel Gonzalez-Ronquillo
- Facultad de Medicina Veterinaria y Zootecnia, Departamento de Nutricion Animal, Universidad Autonoma del Estado de Mexico, Toluca, State of Mexico, Mexico
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17
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Fernandes MHMDR, FernandesJunior JDS, Adams JM, Lee M, Reis RA, Tedeschi LO. Using sentinel-2 satellite images and machine learning algorithms to predict tropical pasture forage mass, crude protein, and fiber content. Sci Rep 2024; 14:8704. [PMID: 38622291 PMCID: PMC11018762 DOI: 10.1038/s41598-024-59160-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 04/08/2024] [Indexed: 04/17/2024] Open
Abstract
Grasslands cover approximately 24% of the Earth's surface and are the main feed source for cattle and other ruminants. Sustainable and efficient grazing systems require regular monitoring of the quantity and nutritive value of pastures. This study demonstrates the potential of estimating pasture leaf forage mass (FM), crude protein (CP) and fiber content of tropical pastures using Sentinel-2 satellite images and machine learning algorithms. Field datasets and satellite images were assessed from an experimental area of Marandu palisade grass (Urochloa brizantha sny. Brachiaria brizantha) pastures, with or without nitrogen fertilization, and managed under continuous stocking during the pasture growing season from 2016 to 2020. Models based on support vector regression (SVR) and random forest (RF) machine-learning algorithms were developed using meteorological data, spectral reflectance, and vegetation indices (VI) as input features. In general, SVR slightly outperformed the RF models. The best predictive models to estimate FM were those with VI combined with meteorological data. For CP and fiber content, the best predictions were achieved using a combination of spectral bands and meteorological data, resulting in R2 of 0.66 and 0.57, and RMSPE of 0.03 and 0.04 g/g dry matter. Our results have promising potential to improve precision feeding technologies and decision support tools for efficient grazing management.
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Affiliation(s)
| | | | | | - Mingyung Lee
- Department of Animal Science, Texas A&M University, College Station, 77843, USA
| | - Ricardo Andrade Reis
- Department of Animal Science, Sao Paulo State University (UNESP), Campus Jaboticabal, Jaboticabal, 14884-900, Brazil
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Chen Q, Su J, Zhang Y, Li C, Zhu S. Phytochemical Profile and Bioactivity of Bound Polyphenols Released from Rosa roxburghii Fruit Pomace Dietary Fiber by Solid-State Fermentation with Aspergillus niger. Molecules 2024; 29:1689. [PMID: 38675509 PMCID: PMC11052053 DOI: 10.3390/molecules29081689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Revised: 03/30/2024] [Accepted: 04/02/2024] [Indexed: 04/28/2024] Open
Abstract
This study aimed to investigate the phytochemical profile, bioactivity, and release mechanism of bound polyphenols (BPs) released from Rosa roxburghii fruit pomace insoluble dietary fiber (RPDF) through solid-state fermentation (SSF) with Aspergillus niger. The results indicated that the amount of BPs released from RPDF through SSF was 17.22 mg GAE/g DW, which was significantly higher than that achieved through alkaline hydrolysis extraction (5.33 mg GAE/g DW). The BPs released through SSF exhibited superior antioxidant and α-glucosidase inhibitory activities compared to that released through alkaline hydrolysis. Chemical composition analysis revealed that SSF released several main compounds, including ellagic acid, epigallocatechin, p-hydroxybenzoic acid, quercetin, and 3,4-dihydroxyphenylpropionic acid. Mechanism analysis indicated that the disruption of tight structure, chemical bonds, and hemicellulose was crucial for the release of BPs from RPDF. This study provides valuable information on the potential application of SSF for the efficient release of BPs from RPDF, contributing to the utilization of RPDF as a functional food ingredient.
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Affiliation(s)
- Qing Chen
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China; (Q.C.); (J.S.); (Y.Z.)
- School of Food and Health, Guangzhou City Polytechnic, Guangzhou 510405, China
| | - Juan Su
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China; (Q.C.); (J.S.); (Y.Z.)
| | - Yue Zhang
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China; (Q.C.); (J.S.); (Y.Z.)
| | - Chao Li
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China; (Q.C.); (J.S.); (Y.Z.)
- Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, Guangzhou 510640, China
| | - Siming Zhu
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China; (Q.C.); (J.S.); (Y.Z.)
- Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, Guangzhou 510640, China
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19
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Chen J, Yin J, Xie H, Lu W, Wang H, Zhao J, Zhu J. Mannan-oligosaccharides promote gut microecological recovery after antibiotic disturbance. Food Funct 2024; 15:3810-3823. [PMID: 38511344 DOI: 10.1039/d4fo00332b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/22/2024]
Abstract
Antibiotic treatment often causes collateral damage to the gut microbiota, including changes in its diversity and composition. Dietary fiber helps maintain intestinal health, regulate short-chain fatty acids, and promote the recovery of the intestinal microbiome. However, it is currently unknown which specific plant-based dietary fiber is optimal as a dietary supplement for restoring the intestinal microbiota after antibiotic disturbance. Previously, we proposed predictive recovery-associated bacterial species (p-RABs) and identified the most important interventions. This study aimed to identify an optimal form of dietary fiber to recover the gut microbiome after antibiotic treatment. Therefore, we examined the types of dietary fibers associated with p-RABs through a p-RAB-metabolite bilayer network constructed from prior knowledge; we searched for dietary fiber that could provide nutritional support for Akkermansia muciniphila and Bacteroides uniformis. C57BL/6J mice were fed with 500 mg kg-1 of different types of dietary fibers daily for one week after being treated with ampicillin. The results showed that mannan-oligosaccharides could better promote the diversity of intestinal microbial growth, enhance the recovery of most genera, including Akkermansia and Bacteroides, and inhibit certain pathogenic bacteria, such as Proteus, compared to the other fiber types. Furthermore, mannan-oligosaccharides could regulate the levels of short-chain fatty acids, especially butyric acid. Functional predictions showed that starch metabolism, galactose metabolism, and the metabolism of other carbohydrates played key roles in the early recovery process. In conclusion, mannan-oligosaccharides could enhance the recovery of the intestinal microbiome after antibiotic treatment, offering valuable insights for targeted dietary strategies.
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Affiliation(s)
- Jing Chen
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, 214122, China.
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Jialin Yin
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, 214122, China.
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Heqiang Xie
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, 214122, China.
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Wenwei Lu
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, 214122, China.
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China
- International Joint Research Laboratory for Pharmabiotics & Antibiotic Resistance, Jiangnan University, Wuxi, 214122, China
- (Yangzhou) Institute of Food Biotechnology, Jiangnan University, China
| | - Hongchao Wang
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, 214122, China.
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Jianxin Zhao
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, 214122, China.
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China
- (Yangzhou) Institute of Food Biotechnology, Jiangnan University, China
| | - Jinlin Zhu
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, 214122, China.
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China
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20
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Kjeldsen MH, Weisbjerg MR, Larsen M, Højberg O, Ohlsson C, Walker N, Hellwing ALF, Lund P. Gas exchange, rumen hydrogen sinks, and nutrient digestibility and metabolism in lactating dairy cows fed 3-nitrooxypropanol and cracked rapeseed. J Dairy Sci 2024; 107:2047-2065. [PMID: 37863291 DOI: 10.3168/jds.2023-23743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Accepted: 09/30/2023] [Indexed: 10/22/2023]
Abstract
Fat in the form of cracked rapeseed and 3-nitrooxypropanol (3-NOP, market as Bovaer) were fed alone or in combination to 4 Danish Holstein multicannulated dairy cows, with the objective to investigate effects on gas exchange, dry matter intake (DMI), nutrient digestion, and nutrient metabolism. The study design was a 4 × 4 Latin square with a 2 × 2 factorial treatment arrangement with 2 levels of fat supplementation; 33 g of crude fat per kg of dry matter (DM) or 64 g of crude fat per kg of DM for low and high fat diets, respectively, and 2 levels of 3-NOP; 0 mg/kg DM or 80 mg/kg DM. In total, 4 diets were formulated: low fat (LF), high fat (HF), 3-NOP and low fat (3LF), and 3-NOP and high fat (3HF). Cows were fed ad libitum and milked twice daily. The adaptation period lasted 11 d, followed by 5 d with 12 diurnal sampling times of digesta and ruminal fluid. Thereafter, gas exchange was measured for 5 d in respiration chambers. Chromic oxide and titanium dioxide were used as external flow markers to determine intestinal nutrient flow. No interactions between fat supplementation and 3-NOP were observed for methane yield (g/kg DM), total-tract digestibility of nutrients or total volatile fatty acid (VFA) concentration in the rumen. Methane yield (g/kg DMI) was decreased by 24% when cows were fed 3-NOP. In addition, 3-NOP increased carbon dioxide and hydrogen yield (g/kg DM) by 6% and 3,500%, respectively. However, carbon dioxide production was decreased when expressed on a daily basis. Fat supplementation did not affect methane yield but tended to reduce methane in percent of gross energy intake. A decrease (11%) in DMI was observed, when cows were fed 3-NOP. Likely, the lower DMI mediated a lower passage rate causing the tendency to higher rumen and total-tract neutral detergent fiber digestibility, when the cows were fed 3-NOP. Total VFA concentrations in the rumen were negatively affected both by 3-NOP and fat supplementation. Furthermore, 3-NOP caused a shift in the VFA fermentation profile, with decreased acetate proportion and increased butyrate proportion, whereas propionate proportion was unaffected. Increased concentrations of the alcohols methanol, ethanol, propanol, butanol, and 2-butanol were observed in the ruminal fluid when cows were fed 3-NOP. These changes in rumen metabolites indicate partial re-direction of hydrogen into other hydrogen sinks, when methanogenesis is inhibited by 3-NOP. In conclusion, fat supplementation did not reduce methane yield, whereas 3-NOP reduced methane yield, irrespective of fat level. However, the concentration of 3-NOP and diet composition and resulting desired mitigation effect must be considered before implementation. The observed reduction in DMI with 80 mg 3-NOP/kg DM was intriguing and may indicate that a lower dose should be applied in a Northern European context; however, the mechanism behind needs further investigation.
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Affiliation(s)
- Maria H Kjeldsen
- Department of Animal and Veterinary Sciences, AU Viborg-Research Centre Foulum, Aarhus University, 8830 DK-Tjele, Denmark.
| | - Martin R Weisbjerg
- Department of Animal and Veterinary Sciences, AU Viborg-Research Centre Foulum, Aarhus University, 8830 DK-Tjele, Denmark
| | - Mogens Larsen
- Department of Animal and Veterinary Sciences, AU Viborg-Research Centre Foulum, Aarhus University, 8830 DK-Tjele, Denmark
| | - Ole Højberg
- Department of Animal and Veterinary Sciences, AU Viborg-Research Centre Foulum, Aarhus University, 8830 DK-Tjele, Denmark
| | - Christer Ohlsson
- Department of Animal Nutrition, DSM Nutritional Products, 4303 Kaiseraugst, Switzerland
| | - Nicola Walker
- Department of Animal Nutrition, DSM Nutritional Products, 4303 Kaiseraugst, Switzerland
| | - Anne Louise F Hellwing
- Department of Animal and Veterinary Sciences, AU Viborg-Research Centre Foulum, Aarhus University, 8830 DK-Tjele, Denmark
| | - Peter Lund
- Department of Animal and Veterinary Sciences, AU Viborg-Research Centre Foulum, Aarhus University, 8830 DK-Tjele, Denmark
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21
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Tagliamonte S, Puhlmann ML, De Filippis F, Guerville M, Ercolini D, Vitaglione P. Relationships between diet and gut microbiome in an Italian and Dutch cohort: does the dietary protein to fiber ratio play a role? Eur J Nutr 2024; 63:741-750. [PMID: 38151533 PMCID: PMC10948488 DOI: 10.1007/s00394-023-03308-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Accepted: 12/08/2023] [Indexed: 12/29/2023]
Abstract
PURPOSE To investigate the relationships between the habitual diet, the protein to fiber ratio (P/F), and the gut microbiome in one Italian and one Dutch cohort of healthy subjects consuming an omnivore diet. METHODS The Italian cohort included 19 males (M_IT, BMI 25.2 ± 0.72 kg/m2, age 25.4 ± 0.96 years) and 20 females (F_IT, BMI 23.9 ± 0.81 kg/m2, age 23.8 ± 0.54 years); the Dutch cohort included 30 females (F_NL, BMI: 23.9 ± 0.81 kg/m2, age: 23.8 ± 0.54 years). Individual diets were recorded through Food Frequency Questionnaires and analyzed to assess the nutrient composition. Gut microbiome was assessed in fecal samples. RESULTS M_IT consumed higher levels of proteins than F_NL and F_IT, whereas dietary fiber intake did not differ among groups. Data showed that consumption of plant protein to animal protein (PP/AP) and PP to total proteins ratio can determine a differentiation of F_NL more than the absolute amount of dietary fiber. Conversely, the protein to fiber (P/F) and AP to total proteins better characterized M_IT. M_IT harbored the highest abundance of proteolytic microorganisms and the lowest microbial gene richness. Conversely, F_NL had more fiber-degrading microorganisms like Bacteroides thetaiotaomicron, Bacteroides xylanisolvens, Roseburia sp., Coprococcus eutactus and Parabacteroides along with the highest number of genes encoding carbohydrate-active enzymes and gene richness. It was predicted that by each unit decrease in the P/F a 3% increase in gene richness occurred. CONCLUSION Study findings suggested that dietary P/F, rather than the absolute amount of dietary fiber, could contribute to the shaping of the microbiome towards a more proteolytic or fiber-degrading gut ecosystem. CLINICALTRIALS gov Identifier NCT04205045-01-10-2018, retrospectively registered. Dutch Trial Register NTR7531-05-10-2018.
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Affiliation(s)
- Silvia Tagliamonte
- Department of Agricultural Sciences, University of Naples Federico II, Parco Gussone Ed. 84, 80055, Portici, Italy
| | - Marie-Luise Puhlmann
- Division of Human Nutrition and Health, Wageningen University and Research, Wageningen, The Netherlands
- Laboratory of Microbiology, Wageningen University and Research, Wageningen, The Netherlands
| | - Francesca De Filippis
- Department of Agricultural Sciences, University of Naples Federico II, Parco Gussone Ed. 84, 80055, Portici, Italy
- Task Force On Microbiome Studies, University of Naples Federico II, 80134, Naples, Italy
| | - Mathilde Guerville
- Nutrition Department, Lactalis Research and Development, 35240, Retiers, France
| | - Danilo Ercolini
- Department of Agricultural Sciences, University of Naples Federico II, Parco Gussone Ed. 84, 80055, Portici, Italy
- Task Force On Microbiome Studies, University of Naples Federico II, 80134, Naples, Italy
| | - Paola Vitaglione
- Department of Agricultural Sciences, University of Naples Federico II, Parco Gussone Ed. 84, 80055, Portici, Italy.
- Task Force On Microbiome Studies, University of Naples Federico II, 80134, Naples, Italy.
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22
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Hecht AL, Harling LC, Friedman ES, Tanes C, Lee J, Firrman J, Hao F, Tu V, Liu L, Patterson AD, Bittinger K, Goulian M, Wu GD. Dietary carbohydrates regulate intestinal colonization and dissemination of Klebsiella pneumoniae. J Clin Invest 2024; 134:e174726. [PMID: 38512401 PMCID: PMC11060737 DOI: 10.1172/jci174726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Accepted: 03/12/2024] [Indexed: 03/23/2024] Open
Abstract
Bacterial translocation from the gut microbiota is a source of sepsis in susceptible patients. Previous work suggests that overgrowth of gut pathobionts, including Klebsiella pneumoniae, increases the risk of disseminated infection. Our data from a human dietary intervention study found that, in the absence of fiber, K. pneumoniae bloomed during microbiota recovery from antibiotic treatment. We thus hypothesized that dietary nutrients directly support or suppress colonization of this gut pathobiont in the microbiota. Consistent with our study in humans, complex carbohydrates in dietary fiber suppressed the colonization of K. pneumoniae and allowed for recovery of competing commensals in mouse models. In contrast, through ex vivo and in vivo modeling, we identified simple carbohydrates as a limiting resource for K. pneumoniae in the gut. As proof of principle, supplementation with lactulose, a nonabsorbed simple carbohydrate and an FDA-approved therapy, increased colonization of K. pneumoniae. Disruption of the intestinal epithelium led to dissemination of K. pneumoniae into the bloodstream and liver, which was prevented by dietary fiber. Our results show that dietary simple and complex carbohydrates were critical not only in the regulation of pathobiont colonization but also disseminated infection, suggesting that targeted dietary interventions may offer a preventative strategy in high-risk patients.
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Affiliation(s)
- Aaron L. Hecht
- Division of Gastroenterology and Hepatology, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Lisa C. Harling
- Division of Gastroenterology and Hepatology, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Elliot S. Friedman
- Division of Gastroenterology and Hepatology, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Ceylan Tanes
- Division of Gastroenterology, Hepatology, and Nutrition, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Junhee Lee
- Division of Gastroenterology and Hepatology, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Jenni Firrman
- Dairy and Functional Foods Research Unit, Eastern Regional Research Center, Agricultural Research Service, US Department of Agriculture, Wyndmoor, Pennsylvania, USA
| | - Fuhua Hao
- Department of Veterinary and Biomedical Sciences, Pennsylvania State University, University Park, Pennsylvania, USA
| | - Vincent Tu
- Division of Gastroenterology, Hepatology, and Nutrition, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - LinShu Liu
- Dairy and Functional Foods Research Unit, Eastern Regional Research Center, Agricultural Research Service, US Department of Agriculture, Wyndmoor, Pennsylvania, USA
| | - Andrew D. Patterson
- Department of Veterinary and Biomedical Sciences, Pennsylvania State University, University Park, Pennsylvania, USA
| | - Kyle Bittinger
- Division of Gastroenterology, Hepatology, and Nutrition, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Mark Goulian
- Department of Biology, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Gary D. Wu
- Division of Gastroenterology and Hepatology, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA
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23
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Moraïs S, Winkler S, Zorea A, Levin L, Nagies FSP, Kapust N, Lamed E, Artan-Furman A, Bolam DN, Yadav MP, Bayer EA, Martin WF, Mizrahi I. Cryptic diversity of cellulose-degrading gut bacteria in industrialized humans. Science 2024; 383:eadj9223. [PMID: 38484069 PMCID: PMC7615765 DOI: 10.1126/science.adj9223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 02/08/2024] [Indexed: 03/19/2024]
Abstract
Humans, like all mammals, depend on the gut microbiome for digestion of cellulose, the main component of plant fiber. However, evidence for cellulose fermentation in the human gut is scarce. We have identified ruminococcal species in the gut microbiota of human populations that assemble functional multienzymatic cellulosome structures capable of degrading plant cell wall polysaccharides. One of these species, which is strongly associated with humans, likely originated in the ruminant gut and was subsequently transferred to the human gut, potentially during domestication where it underwent diversification and diet-related adaptation through the acquisition of genes from other gut microbes. Collectively, these species are abundant and widespread among ancient humans, hunter-gatherers, and rural populations but are rare in populations from industrialized societies thus indicating potential disappearance in response to the westernized lifestyle.
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Affiliation(s)
- Sarah Moraïs
- National Institute of Biotechnology in the Negev, Ben-Gurion University of the Negev, Beer-Sheva, 84105, Israel
- Department of Life Sciences, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
- The Goldman Sonnenfeldt School of Sustainability and Climate Change, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
| | - Sarah Winkler
- National Institute of Biotechnology in the Negev, Ben-Gurion University of the Negev, Beer-Sheva, 84105, Israel
- Department of Life Sciences, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
- The Goldman Sonnenfeldt School of Sustainability and Climate Change, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
| | - Alvah Zorea
- National Institute of Biotechnology in the Negev, Ben-Gurion University of the Negev, Beer-Sheva, 84105, Israel
- Department of Life Sciences, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
- The Goldman Sonnenfeldt School of Sustainability and Climate Change, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
| | - Liron Levin
- Bioinformatics Core Facility, llse Katz Institute for Nanoscale Science and Technology, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Falk S. P. Nagies
- Department of Biology, Institute for Molecular Evolution, Heinrich-Heine-Universität Düsseldorf, D-40225, Düsseldorf, Germany
| | - Nils Kapust
- Department of Biology, Institute for Molecular Evolution, Heinrich-Heine-Universität Düsseldorf, D-40225, Düsseldorf, Germany
| | - Eva Lamed
- Department of Biomolecular Sciences, The Weizmann Institute of Science, Rehovot 7610001 Israel
| | - Avital Artan-Furman
- Department of Biomolecular Sciences, The Weizmann Institute of Science, Rehovot 7610001 Israel
| | - David N. Bolam
- Institute for Cell and Molecular Biosciences, The Medical School, Newcastle University, Newcastle upon Tyne, NE2 4HH, UK
| | - Madhav P. Yadav
- US Department of Agriculture, Agricultural Research Service, Eastern Regional Research Center, 600 East Mermaid Lane, Wyndmoor, PA 19038, USA
| | - Edward A. Bayer
- National Institute of Biotechnology in the Negev, Ben-Gurion University of the Negev, Beer-Sheva, 84105, Israel
- Department of Life Sciences, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
- Department of Biomolecular Sciences, The Weizmann Institute of Science, Rehovot 7610001 Israel
| | - William F. Martin
- Department of Biology, Institute for Molecular Evolution, Heinrich-Heine-Universität Düsseldorf, D-40225, Düsseldorf, Germany
| | - Itzhak Mizrahi
- National Institute of Biotechnology in the Negev, Ben-Gurion University of the Negev, Beer-Sheva, 84105, Israel
- Department of Life Sciences, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
- The Goldman Sonnenfeldt School of Sustainability and Climate Change, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
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24
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Rudjito RC, Matute AC, Jiménez-Quero A, Olsson L, Stringer MA, Krogh KBRM, Eklöf J, Vilaplana F. Integration of subcritical water extraction and treatment with xylanases and feruloyl esterases maximises release of feruloylated arabinoxylans from wheat bran. Bioresour Technol 2024; 395:130387. [PMID: 38295956 DOI: 10.1016/j.biortech.2024.130387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Revised: 01/23/2024] [Accepted: 01/24/2024] [Indexed: 02/05/2024]
Abstract
Wheat bran is an abundant and low valued agricultural feedstock rich in valuable biomolecules as arabinoxylans (AX) and ferulic acid with important functional and biological properties. An integrated bioprocess combining subcritical water extraction (SWE) and enzymatic treatments has been developed for maximised recovery of feruloylated arabinoxylans and oligosaccharides from wheat bran. A minimal enzymatic cocktail was developed combining one xylanase from different glycosyl hydrolase families and a feruloyl esterase. The incorporation of xylanolytic enzymes in the integrated SWE bioprocess increased the AX yields up to 75%, higher than traditional alkaline extraction, and SWE or enzymatic treatment alone. The process isolated AX with tailored molecular structures in terms of substitution, molar mass, and ferulic acid, which can be used for structural biomedical applications, food ingredients and prebiotics. This study demonstrates the use of hydrothermal and enzyme technologies for upcycling agricultural side streams into functional bioproducts, contributing to a circular food system.
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Affiliation(s)
- Reskandi C Rudjito
- Division of Glycoscience, Department of Chemistry, KTH Royal Institute of Technology, AlbaNova University Centre, SE-106 91 Stockholm, Sweden
| | - Alvaro C Matute
- Division of Glycoscience, Department of Chemistry, KTH Royal Institute of Technology, AlbaNova University Centre, SE-106 91 Stockholm, Sweden
| | - Amparo Jiménez-Quero
- Division of Glycoscience, Department of Chemistry, KTH Royal Institute of Technology, AlbaNova University Centre, SE-106 91 Stockholm, Sweden
| | - Lisbeth Olsson
- Division of Industrial Biotechnology, Department of Biology and Biological Engineering, Chalmers University of Technology, Kemivägen 10, 412 96 Gothenburg, Sweden; Wallenberg Wood Science Center, Chalmers University of Technology, Kemigården 4, 412 96 Gothenburg, Sweden
| | | | | | - Jens Eklöf
- Novozymes A/S, Krogshøjvej 36, 2880 Bagsværd, Denmark
| | - Francisco Vilaplana
- Division of Glycoscience, Department of Chemistry, KTH Royal Institute of Technology, AlbaNova University Centre, SE-106 91 Stockholm, Sweden; Wallenberg Wood Science Centre, KTH Royal Institute of Technology, Teknikringen 56-58, SE-100 44 Stockholm, Sweden.
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Zhou Y, Sun Q, Teng C, Zhou M, Fan G, Qu P. Preparation and Improvement of Physicochemical and Functional Properties of Dietary Fiber from Corn Cob Fermented by Aspergillus niger. J Microbiol Biotechnol 2024; 34:330-339. [PMID: 38073331 PMCID: PMC10940746 DOI: 10.4014/jmb.2308.08010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 09/23/2023] [Accepted: 09/26/2023] [Indexed: 03/01/2024]
Abstract
Corn cobs were fermented with Aspergillus niger to produce soluble dietary fiber (SDF) of high quality and excellent food safety. In this work, the fermentation process was optimized by single-factor test and response surface methodology (RSM). The optimal fermentation conditions were determined to be a material-liquid ratio of 1:30, an inoculum concentration of 11%, a temperature of 32°C, a time of 6 days, and a shaking speed of 200 r/min. Under these conditions, the SDF yield of corn cob increased from 2.34% to 11.92%, and the ratio of soluble dietary fiber to total dietary fiber (SDF/TDF) reached 19.08%, meeting the requirements for high-quality dietary fiber (SDF/TDF of more than 10%). Scanning electron microscopy (SEM) and Fourier-transformed infrared spectroscopy (FT-IR) analysis revealed that the fermentation effectively degraded part of cellulose and hemicellulose, resulting in the formation of a loose and porous structure. After fermentation the water swelling capacity, water-holding capacity, and oil-holding capacity of the corn cob SDF were significantly improved and the adsorption capacity of glucose, cholesterol, and nitrite ions all increased by more than 20%. Moreover, the total phenolic content increased by 20.96%, which correlated with the higher antioxidant activity of SDF. Overall, the fermentation of corn cobs by A. niger increased the yield and enhanced the functional properties of dietary fiber (DF) as well.
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Affiliation(s)
- Yadi Zhou
- School of Food and Health, Beijing Technology and Business University, No. 11 Fucheng Street, Haidian District, Beijing 100084, P.R. China
| | - Qijie Sun
- School of Food and Health, Beijing Technology and Business University, No. 11 Fucheng Street, Haidian District, Beijing 100084, P.R. China
| | - Chao Teng
- Key Laboratory of Green Manufacturing and Synthetic Biology of Food Bioactive Substances, China General Chamber of Commerce, Beijing Technology and Business University, No. 11 Fucheng Street, Haidian District, Beijing 100084, P.R. China
- School of Food and Health, Beijing Technology and Business University, No. 11 Fucheng Street, Haidian District, Beijing 100084, P.R. China
- Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology and Business University, No. 11 Fucheng Street, Haidian District, Beijing 100084, P.R. China
| | - Mingchun Zhou
- School of Food and Health, Beijing Technology and Business University, No. 11 Fucheng Street, Haidian District, Beijing 100084, P.R. China
| | - Guangsen Fan
- Key Laboratory of Green Manufacturing and Synthetic Biology of Food Bioactive Substances, China General Chamber of Commerce, Beijing Technology and Business University, No. 11 Fucheng Street, Haidian District, Beijing 100084, P.R. China
- School of Food and Health, Beijing Technology and Business University, No. 11 Fucheng Street, Haidian District, Beijing 100084, P.R. China
- Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology and Business University, No. 11 Fucheng Street, Haidian District, Beijing 100084, P.R. China
| | - Penghui Qu
- School of Food and Health, Beijing Technology and Business University, No. 11 Fucheng Street, Haidian District, Beijing 100084, P.R. China
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Pereira AL, de Oliveira Maia Parente M, de Sousa EA, Alves AA, de Moura Zanine A, de Jesus Ferreira D, Perazzo AF, da Silva de Sousa FC, Dos Anjos LF, Lima HC, Moreira Filho MA, Cavalcanti HS, Parente HN. Nutritional strategies, performance, digestibility, and carcass traits of Santa Ines and Rabo Largo breeds in a tropical climate. Trop Anim Health Prod 2024; 56:82. [PMID: 38368471 DOI: 10.1007/s11250-024-03921-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Accepted: 01/30/2024] [Indexed: 02/19/2024]
Abstract
The aim of this study was to compare the performance, intake, digestibility, ruminal parameters, carcass traits, and the yield of commercial cuts of Santa Ines (SI) and Rabo Largo (RL) breeds fed diets with high or low roughage-to-concentrate ratio (R:C) under a tropical climate. Twenty lambs from each breed were individually housed in covered pens and fed the experimental diets for 58 days. The diets were formulated to meet the growth requirements of lambs with a roughage-to-concentrate ratio of 70:30 and 30:70. Significant interactions of breed × diet for nutrient intake were observed (P < 0.05), with SI lambs fed low R:C diet showing higher intake of dry matter, organic matter, crude protein, and total carbohydrates compared to RL lambs fed the same diet. SI lambs fed high R:C diet had higher intake of neutral detergent fiber than RL lambs (P < 0.05). SI lambs displayed better average daily gain and feed efficiency, regardless of diet (P < 0.05). Carcass traits and gastrointestinal components were influenced by breed and diet (P < 0.05). SI lambs fed low R:C diet showed higher subcutaneous fat thickness and better carcass finishing compared to RL lambs (P < 0.05). SI breed lambs exhibited better growth performance, carcass traits, and gastrointestinal characteristics, even when fed diets with a high roughage-to-concentrate ratio.
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Affiliation(s)
- Anderson Lopes Pereira
- Department of Animal Science, Federal University of the Maranhão State (UFMA), Chapadinha, MA, Brazil
- Department of Animal Science, Federal University of the Paraíba State (UFPB), Areia, PB, Brazil
| | | | - Edegleicia Alves de Sousa
- Department of Animal Science, Federal University of the Maranhão State (UFMA), Chapadinha, MA, Brazil
| | - Arnaud Azevedo Alves
- Department of Animal Science, Federal University of the Piauí State (UFPI), Teresina, PI, Brazil
| | - Anderson de Moura Zanine
- Department of Animal Science, Federal University of the Maranhão State (UFMA), Chapadinha, MA, Brazil
| | - Daniele de Jesus Ferreira
- Department of Animal Science, Federal University of the Maranhão State (UFMA), Chapadinha, MA, Brazil
| | | | | | - Luana França Dos Anjos
- Department of Animal Science, University of the São Paulo State (USP), Piracicaba, SP, Brazil
| | - Hyanne Costa Lima
- Department of Animal Science, Federal University of the Maranhão State (UFMA), Chapadinha, MA, Brazil
| | | | - Hactus Souto Cavalcanti
- Department of Animal Science, Federal University of the Maranhão State (UFMA), Chapadinha, MA, Brazil.
| | - Henrique Nunes Parente
- Department of Animal Science, Federal University of the Maranhão State (UFMA), Chapadinha, MA, Brazil
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Jiang J, Wang Y, Jiang Z, Yan Q, Yang S. High-level production of a novel alginate lyase (FsAly7) from Flammeovirga sp. for efficient production of low viscosity soluble dietary fiber from sodium alginate. Carbohydr Polym 2024; 326:121605. [PMID: 38142093 DOI: 10.1016/j.carbpol.2023.121605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 11/12/2023] [Accepted: 11/14/2023] [Indexed: 12/25/2023]
Abstract
Sodium alginate is one of the most abundant sustainable gum source for dietary fiber production. However, the preparation efficiencies of low viscosity soluble dietary fiber from sodium alginate remain low. Here, a novel alginate lyase gene (FsAly7) from Flammeovirga sp. was identified and high-level expressed in Pichia pastoris for low viscosity soluble dietary fiber production. The highest enzyme production of 3050 U mL-1 was achieved, which is by far the highest yield ever reported. FsAly7 was used for low viscosity soluble dietary fiber production from sodium alginate, and the highest degradation rate of 85.5 % was achieved under a high substrate content of 20 % (w/v). The molecular weight of obtained soluble dietary fiber converged to 10.75 kDa. FsAly7 catalyzed the cleavage of glycosidic bonds in alginate chains with formation of unsaturated non-reducing ends simultaneously in the degradation process, thus altered the chemical structures of hydrolysates. The soluble dietary fiber exhibited excellent properties, including low viscosity, high oil adsorption capacity activity (2.20 ± 0.03 g g-1) and high emulsifying activity (60.05 ± 2.96 mL/100 mL). This investigation may provide a novel alginate lyase catalyst as well as a solution for the efficient production of low viscosity soluble dietary fiber from sodium alginate.
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Affiliation(s)
- Jun Jiang
- College of Food Science and Nutritional Engineering, China Agricultural University, No.17 Qinghua East Road, Haidian District, Beijing 100083, China
| | - Yue Wang
- College of Food Science and Nutritional Engineering, China Agricultural University, No.17 Qinghua East Road, Haidian District, Beijing 100083, China
| | - Zhengqiang Jiang
- College of Food Science and Nutritional Engineering, China Agricultural University, No.17 Qinghua East Road, Haidian District, Beijing 100083, China
| | - Qiaojuan Yan
- Key Laboratory of Food Bioengineering (China National Light Industry), College of Engineering, China Agricultural University, No.17 Qinghua East Road, Haidian District, Beijing 100083, China
| | - Shaoqing Yang
- College of Food Science and Nutritional Engineering, China Agricultural University, No.17 Qinghua East Road, Haidian District, Beijing 100083, China.
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28
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Zhang W, Zhang QY, Li J, Ren XN, Zhang Y, Niu Q. Study on the Digestive Behavior of Chlorogenic Acid in Biomimetic Dietary Fiber and the Antioxidative Synergistic Effect of Polysaccharides and Chlorogenic Acid. J Agric Food Chem 2024; 72:2634-2647. [PMID: 38267223 DOI: 10.1021/acs.jafc.3c08886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2024]
Abstract
Chlorogenic acid (CA) is often combined with dietary fiber polysaccharides in plant foods, which may affect its digestive behavior and antioxidant activity. This study constructed a biomimetic dietary fiber (BDF) model by combining bacterial cellulose (BC) and pectin with CA and investigated the digestive behavior of CA in BDF. Additionally, the study examined the interaction and synergistic effects of polysaccharides and CA against oxidation. Results showed that BDF and natural dietary fiber had similar microstructures, group properties, and crystallization properties, and polysaccharides in BDF were bound to CA. After simulated gastrointestinal digestion, 41.03% of the CA existed in a conjugated form, and it was possibly influenced by the interaction between polysaccharides and CA. And the release of CA during simulated digestion potentially involved four mechanisms, including the disintegration of polysaccharide-CA complex, the dissolution of pectin, escape from BC-pectin (BCP) network structure, and diffusion release. And polysaccharides and CA may be combined through noncovalent interactions such as hydrogen bonding, van der Waals force, or electrostatic interaction force. Meanwhile, polysaccharides-CA combination had a synergistic antioxidant effect by the results of free-radical scavenging experiments, it was probably related to the interaction between polysaccharides and CA. The completion of this work has a positive significance for the development of dietary intervention strategies for oxidative damage.
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Affiliation(s)
- Wen Zhang
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Qian-Yu Zhang
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
- Zhejiang Xianju Pharmaceutical Co., Ltd., Taizhou 317300, China
| | - Ji Li
- School of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Xue-Ning Ren
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Yue Zhang
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Qiao Niu
- CCIC Northwest Ecological Technology (Shaanxi), Xi'an 710021, China
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Tavares MP, Morgan T, Gomes RF, Mendes JPR, Castro-Borges W, Maitan-Alfenas GP, Guimarães VM. Comparative analysis of Chrysoporthe cubensis exoproteomes and their specificity for saccharification of sugarcane bagasse. Enzyme Microb Technol 2024; 173:110365. [PMID: 38043248 DOI: 10.1016/j.enzmictec.2023.110365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 10/18/2023] [Accepted: 11/20/2023] [Indexed: 12/05/2023]
Abstract
The phytopathogenic fungus Chrysoporthe cubensis is a relevant source of lignocellulolytic enzymes. This work aimed to compare the profile of lignocellulose-degrading proteins secreted by C. cubensis grown under semi-solid state fermentation using wheat bran (WB) and sugarcane bagasse (SB). The exoproteomes of the fungus grown in wheat bran (WBE) and sugarcane bagasse (SBE) were qualitative and quantitatively analyzed by liquid chromatography-electrospray ionization tandem mass spectrometry (LC-ESI-MS/MS). Data are available via ProteomeXchange with identifier PXD046075. Label-free proteomic analysis of WBE and SBE showed that the fungus produced a spectrum of carbohydrate-active enzymes (CAZymes) with exclusive characteristics from each extract. While SBE resulted in an enzymatic profile directed towards the depolymerization of cellulose, the enzymes in WBE were more adaptable to the degradation of biomass rich in hemicellulose and other non-lignocellulosic polymers. Saccharification of alkaline pre-treated sugarcane bagasse with SBE promoted glucose release higher than commercial cocktails (8.11 g L-1), while WBE promoted the higher release of xylose (5.71 g L-1). Our results allowed an in-depth knowledge of the complex set of enzymes secreted by C. cubensis responsible for its high lignocellulolytic activity and still provided the identification of promising target proteins for biotechnological applications in the context of biorefinery.
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Affiliation(s)
- Murillo Peterlini Tavares
- Department of Biochemistry and Molecular Biology, Universidade Federal de Viçosa, Av. PH Rolfs, s/n, 36570-900 Viçosa, MG, Brazil
| | - Túlio Morgan
- Department of Biochemistry and Molecular Biology, Universidade Federal de Viçosa, Av. PH Rolfs, s/n, 36570-900 Viçosa, MG, Brazil
| | - Riziane Ferreira Gomes
- Department of Biochemistry and Molecular Biology, Universidade Federal de Viçosa, Av. PH Rolfs, s/n, 36570-900 Viçosa, MG, Brazil
| | - Jean Pierre Rocha Mendes
- Department of Biochemistry and Molecular Biology, Universidade Federal de Viçosa, Av. PH Rolfs, s/n, 36570-900 Viçosa, MG, Brazil
| | - William Castro-Borges
- Department of Biological Science, Universidade Federal de Ouro Preto, Campus Universitário Morro do Cruzeiro, 35400-000 Ouro Preto, MG, Brasil
| | - Gabriela Piccolo Maitan-Alfenas
- Department of Biochemistry and Molecular Biology, Universidade Federal de Viçosa, Av. PH Rolfs, s/n, 36570-900 Viçosa, MG, Brazil
| | - Valéria Monteze Guimarães
- Department of Biochemistry and Molecular Biology, Universidade Federal de Viçosa, Av. PH Rolfs, s/n, 36570-900 Viçosa, MG, Brazil.
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Zhang D, Raza SHA, Du X, Wang J, Wang M, Ma J, Xie K, Pant SD, He J, Aloufi BH, Mei C, Zan L. Effect of feeding corn silage on semen quality and spermatogenesis of bulls. Vet Res Commun 2024; 48:391-401. [PMID: 37733150 DOI: 10.1007/s11259-023-10218-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2023] [Accepted: 09/07/2023] [Indexed: 09/22/2023]
Abstract
Bovine reproduction, including male fertility traits like semen quality, are influenced by a variety of different factors like breed, nutrition, environment, and feeding management. Diet in a crucial determinant, and in this regard although corn silage is generally considered to be a favorable roughage for fattening meat type breeds, it tends to have a negative impact on semen quality. In the current study, alfalfa hay was substituted by corn silage as a roughage source in the diet of bulls to investigate its effects on the fertility of breeding bulls. A feeding trail spanning 140 days was conducted, with semen collection occurring twice a week commencing 60 days after the start of trial. Semen quality parameters, serum antioxidant indexes, sex hormone content in semen, rumen microflora, and sperm transcriptome were characterized. Feeding corn silage enhanced host antioxidant capacity, significantly decreased spermatozoal motility and increased sperm deformity rate in bulls. Furthermore, follicle-stimulating hormone (FSH) and luteinizing hormone (LH) content in semen were significantly decreased (P < 0.05), and the inhibin B (INHB) content was significantly increased (P < 0.01). Feeding corn silage led to significant changes in the diversity of rumen microbiota of cattle at the phylum and genus levels, some of which were significantly correlated with semen quality. Subsequent RNA sequencing indicated that DHH and PITHD1, two genes related to sperm and reproductive development, were differentially expressed, and enrichment analysis also identified several pathways and biological functions relevant to sperm development and reproduction. These results indicate that feeding corn silage modulates semen quality via different pathways. Firstly, corn silage metabolites likely affect the secretion of INHB through the testicular capillaries, which affects semen quality by regulating genes involved in spermatogenesis. Secondly, low lignin content in silage corn appears to reduce abundance of rumen flora that are positively correlated with semen quality. Overall, results indicate that feeding bulls corn silage as the primary source of forage could negatively impact semen quality and may not be appropriate as the primary roughage of forage for breeding bulls.
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Affiliation(s)
- Dianqi Zhang
- College of Animal Science and Technology, Northwest A&F University, No.22 Xinong Road, Yangling, Shaanxi, 712100, P.R. China
| | - Sayed Haidar Abbas Raza
- College of Animal Science and Technology, Northwest A&F University, No.22 Xinong Road, Yangling, Shaanxi, 712100, P.R. China
- Guangdong Provincial Key Laboratory of Food Quality and Safety/Nation-Local Joint Engineering Research Center for Machining and Safety of Livestock and Poultry Products, South China Agricultural University, Guangzhou, 510642, China
- Guangdong Provincial Key Laboratory of Utilization and Conservation of Food and Medicinal Resources in Northern Region, Shaoguan University, Shaoguan, 512005, China
| | - Xinze Du
- College of Animal Science and Technology, Northwest A&F University, No.22 Xinong Road, Yangling, Shaanxi, 712100, P.R. China
| | - Juze Wang
- College of Animal Science and Technology, Northwest A&F University, No.22 Xinong Road, Yangling, Shaanxi, 712100, P.R. China
| | - Meng Wang
- College of Animal Science and Technology, Northwest A&F University, No.22 Xinong Road, Yangling, Shaanxi, 712100, P.R. China
| | - Jing Ma
- College of Animal Science and Technology, Northwest A&F University, No.22 Xinong Road, Yangling, Shaanxi, 712100, P.R. China
| | - Kuncheng Xie
- Xi'an Dairy Cow Breeding Center, Xi'an Agriculture and Rural Bureau, Xi'an, Shaanxi, 710000, P.R. China
| | - Sameer D Pant
- Gulbali Institute, Charles Sturt University, Boorooma Street, Wagga Wagga, NSW, 2678, Australia
| | - Jie He
- Xi'an Dairy Cow Breeding Center, Xi'an Agriculture and Rural Bureau, Xi'an, Shaanxi, 710000, P.R. China
| | - Bander Hamad Aloufi
- Biology Department, Faculty of Science, University of Ha'il, Ha'il, Saudi Arabia
| | - Chugang Mei
- College of Animal Science and Technology, Northwest A&F University, No.22 Xinong Road, Yangling, Shaanxi, 712100, P.R. China
- National Beef Cattle Improvement Center, Northwest A&F University, Yangling, Shaanxi, 712100, P.R. China
| | - Linsen Zan
- College of Animal Science and Technology, Northwest A&F University, No.22 Xinong Road, Yangling, Shaanxi, 712100, P.R. China.
- National Beef Cattle Improvement Center, Northwest A&F University, Yangling, Shaanxi, 712100, P.R. China.
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31
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Yang J, Wei H, Lin Y, Chu ESH, Zhou Y, Gou H, Guo S, Lau HCH, Cheung AHK, Chen H, To KF, Sung JJY, Wang Y, Yu J. High Soluble Fiber Promotes Colorectal Tumorigenesis Through Modulating Gut Microbiota and Metabolites in Mice. Gastroenterology 2024; 166:323-337.e7. [PMID: 37858797 DOI: 10.1053/j.gastro.2023.10.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 09/25/2023] [Accepted: 10/02/2023] [Indexed: 10/21/2023]
Abstract
BACKGROUND & AIMS Dietary fibers are mainly fermented by the gut microbiota, but their roles in colorectal cancer (CRC) are largely unclear. Here, we investigated the associations of different fibers with colorectal tumorigenesis in mice. METHODS Apcmin/+ mice and C57BL/6 mice with azoxymethane (AOM) injection were used as CRC mouse models. Mice were fed with mixed high-fiber diet (20% soluble fiber and 20% insoluble fiber), high-inulin diet, high-guar gum diet, high-cellulose diet, or diets with different inulin dose. Germ-free mice were used for validation. Fecal microbiota and metabolites were profiled by shotgun metagenomic sequencing and liquid chromatography-mass spectrometry, respectively. RESULTS Mixed high-fiber diet promoted colorectal tumorigenesis with increased tumor number and tumor load in AOM-treated and Apcmin/+ mice. Antibiotics use abolished the pro-tumorigenic effect of mixed high-fiber diet, while transplanting stools from mice fed with mixed high-fiber diet accelerated tumor growth in AOM-treated germ-free mice. We therefore characterized the contribution of soluble and insoluble fiber in CRC separately. Our results revealed that soluble fiber inulin or guar gum, but not insoluble fiber cellulose, promoted colorectal tumorigenesis in AOM-treated and Apcmin/+ mice. Soluble fiber induced gut dysbiosis with Bacteroides uniformis enrichment and Bifidobacterium pseudolongum depletion, accompanied by increased fecal butyrate and serum bile acids and decreased inosine. We also identified a positive correlation between inulin dosage and colorectal tumorigenesis. Moreover, transplanting stools from mice fed with high-inulin diet increased colonic cell proliferation and oncogene expressions in germ-free mice. CONCLUSION High-dose soluble but not insoluble fiber potentiates colorectal tumorigenesis in a dose-dependent manner by dysregulating gut microbiota and metabolites in mice.
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Affiliation(s)
- Jia Yang
- Institute of Digestive Disease and Department of Medicine and Therapeutics, State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Sciences, CUHK Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Hong Wei
- Department of Laboratory Animal Science, College of Basic Medical Sciences, Army Medical University, Chongqing, China; Department of Precision Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yufeng Lin
- Institute of Digestive Disease and Department of Medicine and Therapeutics, State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Sciences, CUHK Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Eagle S H Chu
- Institute of Digestive Disease and Department of Medicine and Therapeutics, State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Sciences, CUHK Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Yunfei Zhou
- Institute of Digestive Disease and Department of Medicine and Therapeutics, State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Sciences, CUHK Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Hongyan Gou
- Institute of Digestive Disease and Department of Medicine and Therapeutics, State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Sciences, CUHK Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Shang Guo
- Institute of Digestive Disease and Department of Medicine and Therapeutics, State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Sciences, CUHK Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Harry C H Lau
- Institute of Digestive Disease and Department of Medicine and Therapeutics, State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Sciences, CUHK Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Alvin H K Cheung
- Department of Anatomical and Cellular Pathology, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Huarong Chen
- Institute of Digestive Disease and Department of Medicine and Therapeutics, State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Sciences, CUHK Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Ka Fei To
- Department of Anatomical and Cellular Pathology, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Joseph J Y Sung
- Institute of Digestive Disease and Department of Medicine and Therapeutics, State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Sciences, CUHK Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong SAR, China; Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore
| | - Yong Wang
- Department of Laboratory Animal Science, College of Basic Medical Sciences, Army Medical University, Chongqing, China.
| | - Jun Yu
- Institute of Digestive Disease and Department of Medicine and Therapeutics, State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Sciences, CUHK Shenzhen Research Institute, The Chinese University of Hong Kong, Hong Kong SAR, China.
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32
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Wu Q, Zhang M, Hu H, Tu Y, Gao P, Li T, Zhang X, Teng J, Wang L. Comparative study on chemical composition, functional properties of dietary fibers prepared from four China cereal brans. Int J Biol Macromol 2024; 257:128510. [PMID: 38043663 DOI: 10.1016/j.ijbiomac.2023.128510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 11/17/2023] [Accepted: 11/28/2023] [Indexed: 12/05/2023]
Abstract
Comparison of chemical composition and functional properties of insoluble and soluble dietary fiber (IDF, SDF) obtained from four China cereal brans was investigated. With findings, IDFs and SDFs for rice bran (RB), wheat bran (WB), highland barely bran (HBB) and tartary buckwheat bran (TBB) contained several monosaccharides such as arabinose, galactose, glucose, xylose, and galacturonic acid. The RBIDF was shrinking and formed a rugged microscopic structure, while the structure of WBIDF was dense and flat. HBBIDF and TBBIDF showed fold and flake structure. The glucose adsorption capacity of the HBBIDF was highest among all samples, which was 3.2 mmol/g. TBBIDF exhibited the highest value of cholesterol adsorption capacity (10.5 mg/g) at pH 7.0 and maximum binding capacity (BCmax, 365.2 μmol/g) for cadmium at pH 7.0 among all samples, respectively. As a result, HBBIDF and TBBIDF are potential fiber-rich ingredients in functional foods.
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Affiliation(s)
- Qinglan Wu
- Key Laboratory of Carbohydrate Chemistry & Biotechnology, Ministry of Education, Jiangnan University, Lihu Road 1800, Wuxi 214122, China; National Engineering Laboratory for Cereal Fermentation Technology, School of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi 214122, China; Jiangsu Provincial Research Center for Bioactive Product Processing Technology, Jiangnan University, Lihu Road 1800, Wuxi 214122, China
| | - Ming Zhang
- Key Laboratory of Carbohydrate Chemistry & Biotechnology, Ministry of Education, Jiangnan University, Lihu Road 1800, Wuxi 214122, China; National Engineering Laboratory for Cereal Fermentation Technology, School of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi 214122, China; Jiangsu Provincial Research Center for Bioactive Product Processing Technology, Jiangnan University, Lihu Road 1800, Wuxi 214122, China
| | - Haipeng Hu
- Key Laboratory of Carbohydrate Chemistry & Biotechnology, Ministry of Education, Jiangnan University, Lihu Road 1800, Wuxi 214122, China; National Engineering Laboratory for Cereal Fermentation Technology, School of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi 214122, China; Jiangsu Provincial Research Center for Bioactive Product Processing Technology, Jiangnan University, Lihu Road 1800, Wuxi 214122, China
| | - Yi Tu
- Key Laboratory of Carbohydrate Chemistry & Biotechnology, Ministry of Education, Jiangnan University, Lihu Road 1800, Wuxi 214122, China; National Engineering Laboratory for Cereal Fermentation Technology, School of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi 214122, China; Jiangsu Provincial Research Center for Bioactive Product Processing Technology, Jiangnan University, Lihu Road 1800, Wuxi 214122, China
| | - Pinhan Gao
- Key Laboratory of Carbohydrate Chemistry & Biotechnology, Ministry of Education, Jiangnan University, Lihu Road 1800, Wuxi 214122, China; National Engineering Laboratory for Cereal Fermentation Technology, School of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi 214122, China; Jiangsu Provincial Research Center for Bioactive Product Processing Technology, Jiangnan University, Lihu Road 1800, Wuxi 214122, China
| | - Ting Li
- Key Laboratory of Carbohydrate Chemistry & Biotechnology, Ministry of Education, Jiangnan University, Lihu Road 1800, Wuxi 214122, China; National Engineering Laboratory for Cereal Fermentation Technology, School of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi 214122, China; Jiangsu Provincial Research Center for Bioactive Product Processing Technology, Jiangnan University, Lihu Road 1800, Wuxi 214122, China
| | - Xinxia Zhang
- Key Laboratory of Carbohydrate Chemistry & Biotechnology, Ministry of Education, Jiangnan University, Lihu Road 1800, Wuxi 214122, China; National Engineering Laboratory for Cereal Fermentation Technology, School of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi 214122, China; Jiangsu Provincial Research Center for Bioactive Product Processing Technology, Jiangnan University, Lihu Road 1800, Wuxi 214122, China
| | - Jian Teng
- Shanghai Adfontes Technology Co., Ltd, Caoxi North Road 45, Shanghai 20000, China
| | - Li Wang
- Key Laboratory of Carbohydrate Chemistry & Biotechnology, Ministry of Education, Jiangnan University, Lihu Road 1800, Wuxi 214122, China; National Engineering Laboratory for Cereal Fermentation Technology, School of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi 214122, China; Jiangsu Provincial Research Center for Bioactive Product Processing Technology, Jiangnan University, Lihu Road 1800, Wuxi 214122, China.
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Núñez-Gómez V, Jesús Periago M, Luis Ordóñez-Díaz J, Pereira-Caro G, Manuel Moreno-Rojas J, González-Barrio R. Dietary fibre fractions rich in (poly)phenols from orange by-products and their metabolisation by in vitro digestion and colonic fermentation. Food Res Int 2024; 177:113718. [PMID: 38225107 DOI: 10.1016/j.foodres.2023.113718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 11/09/2023] [Accepted: 11/22/2023] [Indexed: 01/17/2024]
Abstract
Orange peel is an interesting by-product because of its composition, particularly its dietary fibre and flavanones. The aim of this work was to extract different fibre fractions from orange peel to obtain potential added-value ingredients and evaluate how the presence of fibre may interfere with (poly)phenol metabolism. Using an aqueous extraction, as a green extraction method, an insoluble fibre fraction (IFF) and a water-soluble extract (WSE) were obtained. Those fractions were analysed to determine the proximate and dietary fibre composition, hydration properties, (poly)phenol composition and antioxidant capacity, comparing the results with the orange peel (OP). The IFF presented the highest content of insoluble dietary fibre and the WSE showed the highest content of (poly)phenols, these being mainly flavanones. An in vitro faecal fermentation was carried out to evaluate the production of short-chain fatty acids (SCFAs) and lactate as prebiotic indicators; the IFF gave the highest production, derived from the greater presence of dietary fibre. Moreover, catabolites from (poly)phenol metabolism were also analysed, phenylpropanoic acids being the major ones, followed by phenylacetic acids and benzoic acids. These catabolites were found in higher quantities in WSE, because of the greater presence of (poly)phenols in its composition. IFF also showed a significant production of these catabolites, which was delayed by the greater presence of fibre. These results reveal that the new ingredients, obtained by an environmentally friendly water extraction procedure, could be used for the development of new foods with enhanced nutritional and healthy properties.
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Affiliation(s)
- Vanesa Núñez-Gómez
- Department of Food Technology, Food Science and Nutrition, Faculty of Veterinary Sciences, Biomedical Research Institute of Murcia (IMIB-Arrixaca-UMU), University of Murcia, Regional Campus of International Excellence "Campus Mare Nostrum", Murcia, 30100, Spain
| | - María Jesús Periago
- Department of Food Technology, Food Science and Nutrition, Faculty of Veterinary Sciences, Biomedical Research Institute of Murcia (IMIB-Arrixaca-UMU), University of Murcia, Regional Campus of International Excellence "Campus Mare Nostrum", Murcia, 30100, Spain
| | - José Luis Ordóñez-Díaz
- Area of Agroindustry and Food Quality, Andalusian Institute of Agricultural and Fisheries Research and Training (IFAPA), Alameda del Obispo, Avda. Menéndez-Pidal, 14004 Córdoba, Spain
| | - Gema Pereira-Caro
- Area of Agroindustry and Food Quality, Andalusian Institute of Agricultural and Fisheries Research and Training (IFAPA), Alameda del Obispo, Avda. Menéndez-Pidal, 14004 Córdoba, Spain; Foods for Health Group, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), 14004 Córdoba, Spain
| | - Jose Manuel Moreno-Rojas
- Area of Agroindustry and Food Quality, Andalusian Institute of Agricultural and Fisheries Research and Training (IFAPA), Alameda del Obispo, Avda. Menéndez-Pidal, 14004 Córdoba, Spain; Foods for Health Group, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), 14004 Córdoba, Spain
| | - Rocío González-Barrio
- Department of Food Technology, Food Science and Nutrition, Faculty of Veterinary Sciences, Biomedical Research Institute of Murcia (IMIB-Arrixaca-UMU), University of Murcia, Regional Campus of International Excellence "Campus Mare Nostrum", Murcia, 30100, Spain.
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Clausen U, Vital ST, Lambertus P, Gehler M, Scheve S, Wöhlbrand L, Rabus R. Catabolic Network of the Fermentative Gut Bacterium Phocaeicola vulgatus (Phylum Bacteroidota) from a Physiologic-Proteomic Perspective. Microb Physiol 2024; 34:88-107. [PMID: 38262373 DOI: 10.1159/000536327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Accepted: 01/10/2024] [Indexed: 01/25/2024]
Abstract
INTRODUCTION Phocaeicola vulgatus (formerly Bacteroides vulgatus) is a prevalent member of human and animal guts, where it influences by its dietary-fiber-fueled, fermentative metabolism the microbial community as well as the host health. Moreover, the fermentative metabolism of P. vulgatus bears potential for a sustainable production of bulk chemicals. The aim of the present study was to refine the current understanding of the P. vulgatus physiology. METHODS P. vulgatus was adapted to anaerobic growth with 14 different carbohydrates, ranging from hexoses, pentoses, hemicellulose, via an uronic acid to deoxy sugars. These substrate-adapted cells formed the basis to define the growth stoichiometries by quantifying growth/fermentation parameters and to reconstruct the catabolic network by applying differential proteomics. RESULTS The determination of growth performance revealed, e.g., doubling times (h) from 1.39 (arabinose) to 14.26 (glucuronate), biomass yields (gCDW/mmolS) from 0.01 (fucose) to 0.27 (α-cyclodextrin), and ATP yields (mMATP/mMC) from 0.21 (rhamnose) to 0.60 (glucuronate/xylan). Furthermore, fermentation product spectra were determined, ranging from broad and balanced (with xylan: acetate, succinate, formate, and propanoate) to rather one sided (with rhamnose or fucose: mainly propane-1,2-diol). The fermentation network serving all tested compounds is composed of 56 proteins (all identified), with several peripheral reaction sequences formed with high substrate specificity (e.g., conversion of arabinose to d-xylulose-3-phosphate) implicating a fine-tuned regulation. By contrast, central modules (e.g., glycolysis or the reaction sequence from PEP to succinate) were constitutively formed. Extensive formation of propane-1,2-diol from rhamnose and fucose involves rhamnulokinase (RhaB), rhamnulose-1-phosphate kinase (RhaD), and lactaldehyde reductase (FucO). Furthermore, Sus-like systems are apparently the most relevant uptake systems and a complex array of transmembrane electron-transfer systems (e.g., Na+-pumping Rnf and Nqr complexes, fumarate reductase) as well as F- and V-type ATP-synthases were detected. CONCLUSIONS The present study provides insights into the potential contribution of P. vulgatus to the gut metabolome and into the strain's biotechnological potential for sustainable production of short-chain fatty acids and alcohols.
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Affiliation(s)
- Urte Clausen
- General and Molecular Microbiology, Institute for Chemistry and Biology of the Marine Environment (ICBM), Carl von Ossietzky Universität Oldenburg, Oldenburg, Germany
| | - Sören-Tobias Vital
- General and Molecular Microbiology, Institute for Chemistry and Biology of the Marine Environment (ICBM), Carl von Ossietzky Universität Oldenburg, Oldenburg, Germany
| | - Pia Lambertus
- General and Molecular Microbiology, Institute for Chemistry and Biology of the Marine Environment (ICBM), Carl von Ossietzky Universität Oldenburg, Oldenburg, Germany
| | - Martina Gehler
- General and Molecular Microbiology, Institute for Chemistry and Biology of the Marine Environment (ICBM), Carl von Ossietzky Universität Oldenburg, Oldenburg, Germany
| | - Sabine Scheve
- General and Molecular Microbiology, Institute for Chemistry and Biology of the Marine Environment (ICBM), Carl von Ossietzky Universität Oldenburg, Oldenburg, Germany
| | - Lars Wöhlbrand
- General and Molecular Microbiology, Institute for Chemistry and Biology of the Marine Environment (ICBM), Carl von Ossietzky Universität Oldenburg, Oldenburg, Germany
| | - Ralf Rabus
- General and Molecular Microbiology, Institute for Chemistry and Biology of the Marine Environment (ICBM), Carl von Ossietzky Universität Oldenburg, Oldenburg, Germany
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Zhang Z, Wang L, Li Q, Li F, Ma Z, Li F, Wang Z, Chen L, Yang X, Wang X, Yang G. Effects of dietary forage neutral detergent fiber and rumen degradable starch ratios on chewing activity, ruminal fermentation, ruminal microbes and nutrient digestibility of Hu sheep fed a pelleted total mixed ration. J Anim Sci 2024; 102:skae100. [PMID: 38581217 PMCID: PMC11017508 DOI: 10.1093/jas/skae100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 04/05/2024] [Indexed: 04/08/2024] Open
Abstract
Pelleted total mixed ration (P-TMR) feeding, which has become a common practice in providing nutrition for fattening sheep, requires careful consideration of the balance between forage neutral detergent fiber (FNDF) and rumen degradable starch (RDS) to maintain proper rumen functions. The present study aimed to investigate the effects of the dietary FNDF/RDS ratio (FRR) on chewing activity, ruminal fermentation, ruminal microbes, and nutrient digestibility in Hu sheep fed a P-TMR diet. This study utilized eight ruminally cannulated male Hu sheep, following a 4 × 4 Latin square design with 31 d each period. Diets consisted of four FRR levels: 1.0 (high FNDF/RDS ratio, HFRR), 0.8 (middle high FNDF/RDS ratio, MHFRR), 0.6 (middle low FNDF/RDS ratio, MLFRR), and 0.4 (low FNDF/RDS ratio, LFRR). Reducing the dietary FRR levels resulted in a linear decrease in ruminal minimum pH and mean pH, while linearly increasing the duration and area of pH below 5.8 and 5.6, as well as the acidosis index. Sheep in the HFRR and MHFRR groups did not experience subacute ruminal acidosis (SARA), whereas sheep in another two groups did. The concentration of total volatile fatty acid and the molar ratios of propionate and valerate, as well as the concentrate of lactate in the rumen linearly increased with reducing dietary FRR, while the molar ratio of acetate and acetate to propionate ratio linearly decreased. The degradability of NDF and ADF for alfalfa hay has a quadratic response with reducing the dietary FRR. The apparent digestibility of dry matter, organic matter, neutral detergent fiber, and acid detergent fiber linearly decreased when the dietary FRR was reduced. In addition, reducing the dietary FRR caused a linear decrease in OTUs, Chao1, and Ace index of ruminal microflora. Reducing FRR in the diet increased the percentage of reads assigned as Firmicutes, but it decreased the percentage of reads assigned as Bacteroidetes in the rumen. At genus level, the percentage of reads assigned as Prevotella, Ruminococcus, Succinivibrio, and Butyrivibrio linearly decreased when the dietary FRR was reduced. The results of this study demonstrate that the dietary FRR of 0.8 is crucial in preventing the onset of SARA and promotes an enhanced richness of ruminal microbes and also improves fiber digestibility, which is a recommended dietary FRR reference when formulating P-TMR diets for sheep.
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Affiliation(s)
- Zhian Zhang
- State Key Laboratory of Grassland Agro-ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Engineering Research Center of Grassland Industry, Ministry of Education, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730000, China
| | - Li Wang
- State Key Laboratory of Grassland Agro-ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Engineering Research Center of Grassland Industry, Ministry of Education, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730000, China
| | - Qinwu Li
- State Key Laboratory of Grassland Agro-ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Engineering Research Center of Grassland Industry, Ministry of Education, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730000, China
| | - Fei Li
- State Key Laboratory of Grassland Agro-ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Engineering Research Center of Grassland Industry, Ministry of Education, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730000, China
| | - Zhiyuan Ma
- State Key Laboratory of Grassland Agro-ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Engineering Research Center of Grassland Industry, Ministry of Education, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730000, China
| | - Fadi Li
- State Key Laboratory of Grassland Agro-ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Engineering Research Center of Grassland Industry, Ministry of Education, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730000, China
| | - Zongli Wang
- State Key Laboratory of Grassland Agro-ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Engineering Research Center of Grassland Industry, Ministry of Education, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730000, China
| | - Liang Chen
- State Key Laboratory of Grassland Agro-ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Engineering Research Center of Grassland Industry, Ministry of Education, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730000, China
| | - Xu Yang
- State Key Laboratory of Grassland Agro-ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Engineering Research Center of Grassland Industry, Ministry of Education, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730000, China
| | - Xinji Wang
- Animal Husbandry and Veterinary Station, Minqin 733399, China
| | - Guo Yang
- Key Laboratory of Stress Physiology and Ecology in Cold and Arid Regions, Gansu Province, Department of Ecology and Agriculture Research, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou 730000, China
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Sujani S, Gleason CB, Dos Reis BR, White RR. Rumen fermentation of meal-fed sheep in response to diets formulated to vary in fiber and protein degradability. J Anim Sci 2024; 102:skad406. [PMID: 38066694 DOI: 10.1093/jas/skad406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Accepted: 12/07/2023] [Indexed: 01/21/2024] Open
Abstract
The concentration of volatile fatty acid (VFA) provides an imprecise view of VFA dynamics due to the confounding effects of fluid pool size and dynamics. Determination of VFA flux using isotope is expensive and a complex methodology. Therefore, a rapid and affordable approach to explore VFA dynamics may allow comprehensive characterization of VFA availability. The objective of this study was to explore the use of VFA dynamics generated by meal feeding to derive time-series rates of VFA apparent appearance and disappearance driven by different protein and fiber sources. Six ruminally cannulated wethers were fed diets containing timothy hay or beet pulp (TH and BP) and soybean meal (SBM) or heated soybean meal (HSBM). Diets were, TH + HSBM; TH + SBM; BP + HSBM; and BP + SBM and the experimental design was a partially replicated 4 × 4 Latin Square. Concentrations of VFA and polyethylene glycol (PEG) in rumen fluid samples were estimated. Concentrations of PEG were used to estimate fluid passage and volume to calculate VFA mass, and fluid-mediated exit. Maximum apparent appearance rate (mmol/h), the rate of apparent appearance decline (mmol/mmol/h), mean apparent appearance flux (mmol/h), mean apparent disappearance (mmol/h), and apparent disappearance rate (mmol/mmol/h) were estimated by deriving a 1 pool model for each VFA on a mass basis where appearance was assumed to follow an exponential decay pattern and disappearance followed mass-action kinetics. Statistical analyses were conducted using a linear mixed effect regression with fixed effects for fiber source, protein source, and their interaction, as well as random effects for animal and period. Rumen fluid volume (L) was greater in HSBM diets (P = 0.033) and fluid passage (%/h) was greater in SBM diets (P = 0.048). Concentrations (higher acetate and butyrate, P = 0.002 and 0.004, respectively) and molar proportions (higher valerate, P = 0.035) of VFA were affected only by fiber source; however, protein source and fiber source interacted to significantly influence apparent appearance rates and absorption rates of many major VFA. On a flux basis, HSBM supported significantly elevated mean disappearance of propionate (P = 0.033). This data demonstrates that time-series evaluation of fermentation dynamics, including fluid dynamics and VFA concentrations can be used to estimate apparent appearance and disappearance of VFA. Although further work is needed to confirm the alignment of these estimates with measurements of VFA supplies to the animal, this modeling approach may provide a simpler way to better understand the kinetics of rumen.
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Affiliation(s)
- Sathya Sujani
- School of Animal Science, Virginia Tech, Blacksburg, VA 24061, USA
| | - Claire B Gleason
- School of Animal Science, Virginia Tech, Blacksburg, VA 24061, USA
| | - Barbara R Dos Reis
- White Sand Research Unit, Mississippi State University, Poplarville, MS 32970, USA
| | - Robin R White
- School of Animal Science, Virginia Tech, Blacksburg, VA 24061, USA
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Zhang J, He Z, He Y, Xie J, Yang G, Niu Z, Shen T, Li F. Fecal fermentation behavior and immunomodulatory activity of arabinoxylan from wheat bran. Int J Biol Macromol 2024; 256:128283. [PMID: 38007031 DOI: 10.1016/j.ijbiomac.2023.128283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 11/07/2023] [Accepted: 11/17/2023] [Indexed: 11/27/2023]
Abstract
Arabinoxylan (AX) is the predominant non-starch polysaccharide in wheat bran, known for its significant immunomodulatory activity. However, existing literature lacks comprehensive studies on AX fermentation by gut microbiota and its subsequent immunomodulatory mechanisms. In the present study, we aimed to investigate the effects of AX on the composition of gut microbiota and the characteristics of its immunomodulatory activity. For this purpose, an in vitro fermentation system and a cyclophosphamide-induced immunosuppressed mouse model were established to explore both the in vitro and in vivo effects of AX on gut microbiota and immune modulation. The results demonstrated that AX was metabolized by gut microbes and in turn to promoting the production of short-chain fatty acids (SCFAs), which concurrently led to a significant decrease in pH. Furthermore, AX treatment significantly changed the microbial composition, elevated the relative abundance of Actinobacteria while reducing that of Bacteroidetes. In the immunosuppressed mice, AX administration improved the thymus and spleen indices, mitigated spleen injury, and bolstered overall immunity. Moreover, AX altered the gut microbiota structure, increasing the abundance of Bacteroidetes and decreasing that of Firmicutes. These findings suggest that wheat bran-derived AX can modulate intestinal microbial composition, improve gut microecology, and enhance host immunity by targeting gut microbiota.
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Affiliation(s)
- Ji Zhang
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China; School of Life Sciences, Huaiyin Normal University, Huaian 223300, China
| | - Ziliang He
- School of Life Sciences, Huaiyin Normal University, Huaian 223300, China
| | - Yang He
- School of Life Sciences, Huaiyin Normal University, Huaian 223300, China
| | - Jing Xie
- School of Life Sciences, Huaiyin Normal University, Huaian 223300, China
| | - Guigui Yang
- School of Life Sciences, Huaiyin Normal University, Huaian 223300, China
| | - Zhiqiang Niu
- Institute of Translational Medicine, School of Medicine, Yangzhou University, Yangzhou 225009, China
| | - Ting Shen
- Institute of Translational Medicine, School of Medicine, Yangzhou University, Yangzhou 225009, China.
| | - Fu Li
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China.
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Veluri S, Gonzalez-Ortiz G, Bedford MR, Olukosi OA. Interactive effects of a stimbiotic supplementation and wheat bran inclusion in corn- or wheat-based diets on growth performance, ileal digestibility, and expression of nutrient transporters of broilers chickens. Poult Sci 2024; 103:103178. [PMID: 37931403 PMCID: PMC10654242 DOI: 10.1016/j.psj.2023.103178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 09/22/2023] [Accepted: 10/06/2023] [Indexed: 11/08/2023] Open
Abstract
A 42-day experiment was conducted to investigate the interactive effects of a stimbiotic (STB) and wheat bran (WB) in broiler chickens receiving diets (DT) based on corn or wheat. A total of 960 Cobb 500 male broiler chicks at zero-day old were allocated to 64 pens with 8 treatments, 8 replicates per treatment, and 15 birds per replicate. The treatments were arranged in a randomized complete block design with 2 × 2 × 2 factorial, with the factors as diet (corn-soybean meal or wheat-soybean meal), STB (with or without), and WB (0 or 50 g/kg). Body weight gain (BWG), feed intake (FI), and mortality-corrected FCR data were collected for the starter (d 0-10), grower (d 10-28), and finisher (d 28-42) phases. Ileal digesta and jejunal tissue were collected on d 18 and 42. Data were analyzed as a 2 × 2 × 2 factorial using a mixed model of JMP. There was no significant 3-way interaction for growth performance and expression of nutrient transporters. There was a significant SB × WB for FCR (P < 0.05) in the grower phase. Stimbiotic supplementation and WB inclusion individually improved (P < 0.05) FCR regardless of cereal type, but this effect was not observed when the two were combined. In the overall phase (d 0-42), birds receiving corn-based diets had higher (P < 0.05) FI and BWG than those receiving wheat-based diets. There was a significant 3-way interaction for ileal digestible energy (IDE) (P < 0.05) and N digestibility (ND) on d 18 and 42 (P < 0.05). There was no effect of STB or WB in corn-based diets, whereas WB inclusion decreased IDE in wheat-based diets, but STB supplementation increased IDE with or without WB. In corn-based diets, WB inclusion increased ND, whereas ND was decreased in wheat-based diets. Supplementation with STB had no effect on ND, but STB increased ND in wheat-based diets with and without WB. Ileal DE was greater (P < 0.05) for wheat- than corn-based diets on d 42. Wheat bran inclusion increased ND in corn-based diets whereas, with STB supplementation, there was no difference in ND with or without WB. There was no difference in ND with or without STB or WB in wheat-based diets. There was a significant STB × DT on the expression of GLUT-1 (P < 0.05). In corn-based diets, STB produced an upward expression of GLUT-1, whereas in wheat-based diets, STB supplementation had no effect. On d 42, stimbiotic supplementation produced upward (P < 0.05) expression of SGLT-1. In conclusion, STB supplementation in wheat- or corn-based diets and with WB inclusion improved energy digestibility. On the other hand, WB inclusion in wheat-based diets decreased nutrient digestibility especially on d 18, thus making room for a positive response to STB supplementation in wheat-based diets compared to the marginal response to STB supplementation observed in corn-based diets.
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Affiliation(s)
- Shravani Veluri
- Department of Poultry Science, University of Georgia, Athens, GA 30602, USA
| | | | | | - Oluyinka A Olukosi
- Department of Poultry Science, University of Georgia, Athens, GA 30602, USA.
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Lai A, Huang Y, Luo H, Jin Y, Wang L, Chen B, Deng K, Huang W, Zhang Y. Ruminal degradation characteristics of bagasse with different fermentation treatments in the rumen of beef cattle. Anim Sci J 2024; 95:e13937. [PMID: 38500367 DOI: 10.1111/asj.13937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 12/28/2023] [Accepted: 01/29/2024] [Indexed: 03/20/2024]
Abstract
This experiment aimed to study the degradation characteristics of bagasse after three fermentation treatments in beef cattle. Bagasse 1 was treated with 0.3% lactic acid bacteria (w/w). Bagasse 2 was treated with 0.3% mixed strains (Saccharomyces cerevisiae, Aspergillus niger, Aspergillus oryzae, and lactic acid bacteria at 2:1:1:1). Bagasse 3 was treated with 0.1% cellulase and 0.1% xylanase in addition to 0.3% mixed strains of bagasse 2. The dry matter (DM), crude ash (ASH), crude protein (CP), neutral detergent fiber (NDF), and acid detergent fiber (ADF) in the bagasses were determined. Compared to the control bagasse (without the strain and enzyme treatments), three fermented bagasses showed higher DM after 4 h fermentation. The CP and ASH contents in fermented bagasse 3 were the highest, while the contents of NDF and ADF in fermented bagasse 3 were the lowest among all the groups. The effective degradability of DM, CP, NDF, and ADF was highest in fermented bagasse 3 among the evaluated bagasse feed, followed by fermented bagasse 2 > fermented bagasse 1 > bagasse. Overall, fermented bagasse 3 was better than the control and other treated bagasses, thus fermented bagasse 3 is a hopeful source for ruminant diet of beef cattle.
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Affiliation(s)
- Anqiang Lai
- College of Animal Science, Xichang University, Xichang, China
| | - Yanru Huang
- College of Animal Science, Xichang University, Xichang, China
| | - Haocen Luo
- College of Animal Science, Xichang University, Xichang, China
| | - Yadong Jin
- College of Animal Science, Xichang University, Xichang, China
| | - Langzhou Wang
- College of Animal Science, Xichang University, Xichang, China
| | - Binlong Chen
- College of Animal Science, Xichang University, Xichang, China
| | - Kaimei Deng
- Rural Industrial Technology Service Center of Ningnan County, Liangshan, China
| | - Wenming Huang
- College of Animal Science and Technology, Southwest University, Chongqing, China
| | - Yi Zhang
- College of Animal Science, Xichang University, Xichang, China
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40
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Ye H, Yu W. Different influences of dietary fiber from various sources on the in vitro digestibility of casein as uncovered by the study of protein-dietary fiber interactions. Food Res Int 2024; 176:113845. [PMID: 38163735 DOI: 10.1016/j.foodres.2023.113845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 12/02/2023] [Accepted: 12/06/2023] [Indexed: 01/03/2024]
Abstract
How different dietary fibers including pectin, cellulose and lignin affect casein digestibility was studied using in vitro static protocols. Peptides' profile, free amino acids (AAs) content, casein-DF interactions and their influences on enzymatic activities of proteolytic enzymes were studied using combined techniques. Under gastric and intestinal digestive conditions, while pectin could reduce casein digestibility (with an averaged decrease of 12.15% and 7.83, respectively) through both depletion flocculation and hydrogen-binding interactions, lignin inhibited the digestion of casein straightly through reducing the enzymatic activity of proteolytic enzymes, thereby altering the production of free AAs. Although cellulose showed the least detrimental effects, it still significantly reduced the content of Thr, Glu, Val, Leu, Phe, Lys, and no Arg was released. Deeper insight into casein-DF interactions and their influences on casein digestibility improves the development of more effective forms of DF for improving AA homeostasis in individuals.
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Affiliation(s)
- Hanfei Ye
- Department of Food Science & Engineering, Jinan University, Huangpu West Avenue 601, Guangzhou City 510632, China
| | - Wenwen Yu
- Department of Food Science & Engineering, Jinan University, Huangpu West Avenue 601, Guangzhou City 510632, China.
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41
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Zhang Z, Mocanu V, Deehan EC, Hotte N, Zhu Y, Wei S, Kao DH, Karmali S, Birch DW, Walter J, Madsen KL. Recipient microbiome-related features predicting metabolic improvement following fecal microbiota transplantation in adults with severe obesity and metabolic syndrome: a secondary analysis of a phase 2 clinical trial. Gut Microbes 2024; 16:2345134. [PMID: 38685731 PMCID: PMC11062372 DOI: 10.1080/19490976.2024.2345134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Accepted: 04/16/2024] [Indexed: 05/02/2024] Open
Abstract
Microbial-based therapeutics in clinical practice are of considerable interest, and a recent study demonstrated fecal microbial transplantation (FMT) followed by dietary fiber supplements improved glucose homeostasis. Previous evidence suggests that donor and recipient compatibility and FMT protocol are key determinants, but little is known about the involvement of specific recipient factors. Using data from our recent randomized placebo-control phase 2 clinical trial in adults with obesity and metabolic syndrome, we grouped participants that received FMT from one of 4 donors with either fiber supplement into HOMA-IR responders (n = 21) and HOMA-IR non-responders (n = 8). We further assessed plasma bile acids using targeted metabolomics and performed subgroup analyzes to evaluate the effects of recipient parameters and gastrointestinal factors on microbiota engraftment and homeostatic model assessment of insulin resistance (HOMA2-IR) response. The baseline fecal microbiota composition at genus level of recipients could predict the improvements in HOMA2-IR at week 6 (ROC-AUC = 0.70). Prevotella was identified as an important predictor, with responders having significantly lower relative abundance than non-responders (p = .02). In addition, recipients displayed a highly individualized degree of microbial engraftment from donors. Compared to the non-responders, the responders had significantly increased bacterial richness (Chao1) after FMT and a more consistent engraftment of donor-specific bacteria ASVs (amplicon sequence variants) such as Faecalibacillus intestinalis (ASV44), Roseburia spp. (ASV103), and Christensenellaceae spp. (ASV140) (p < .05). Microbiota engraftment was strongly associated with recipients' factors at baseline including initial gut microbial diversity, fiber and nutrient intakes, inflammatory markers, and bile acid derivative levels. This study identified that responders to FMT therapy had a higher engraftment rate in the transplantation of specific donor-specific microbes, which were strongly correlated with insulin sensitivity improvements. Further, the recipient baseline gut microbiota and related factors were identified as the determinants for responsiveness to FMT and fiber supplementation. The findings provide a basis for the development of precision microbial therapeutics for the treatment of metabolic syndrome.
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Affiliation(s)
- Zhengxiao Zhang
- College of Ocean Food and Biological Engineering, Fujian Provincial Engineering Technology Research Center of Marine Functional Food, Jimei University, Xiamen, Fujian, China
- Department of Medicine, University of Alberta, Edmonton, AB, Canada
| | - Valentin Mocanu
- Department of Surgery, University of Alberta, Edmonton, AB, Canada
| | - Edward C. Deehan
- Department of Medicine, University of Alberta, Edmonton, AB, Canada
- Department of Food Science and Technology, University of Nebraska, Lincoln, NE, USA
| | - Naomi Hotte
- Department of Medicine, University of Alberta, Edmonton, AB, Canada
| | - Yuanyuan Zhu
- College of Ocean Food and Biological Engineering, Fujian Provincial Engineering Technology Research Center of Marine Functional Food, Jimei University, Xiamen, Fujian, China
| | - Shanshan Wei
- College of Ocean Food and Biological Engineering, Fujian Provincial Engineering Technology Research Center of Marine Functional Food, Jimei University, Xiamen, Fujian, China
| | - Dina H. Kao
- Division of Gastroenterology, Department of Medicine, University of Alberta, Edmonton, AB, Canada
| | - Shahzeer Karmali
- Department of Surgery, University of Alberta, Edmonton, AB, Canada
| | - Daniel W. Birch
- Department of Surgery, University of Alberta, Edmonton, AB, Canada
| | - Jens Walter
- APC Microbiome Ireland, School of Microbiology and Department of Medicine, University College Cork, Cork, Ireland
| | - Karen L. Madsen
- Division of Gastroenterology, Department of Medicine, University of Alberta, Edmonton, AB, Canada
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Zhuang M, Li G, Wang X, Ke S, Wang A, Zhou Z. Structural property of extractable proteins and polysaccharides in wheat bran following a dual-enzymatic pretreatment and corresponding functionality. Int J Biol Macromol 2024; 255:128100. [PMID: 37981285 DOI: 10.1016/j.ijbiomac.2023.128100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 10/02/2023] [Accepted: 11/13/2023] [Indexed: 11/21/2023]
Abstract
The current study applied dual-enzymatic treatment via alcalase and Bacillus velezensis hydrolase for enhancing extraction of proteins and polysaccharides from wheat bran and modifying their corresponding structure. Results indicated the aqueous extract by enzymatic pretreatment (referred as EHWB) had an increased content of soluble substance, in which 18.5 % increased for carbohydrates and 11.4 % increased for proteins in the extract compared to the aqueous extract without enzymes (labeled as AEWB). Furthermore, compositions with lower molecular weight of 130 kDa and < 21.1 kDa for polysaccharides and proteins, respectively, were found in EHWB. Interestingly, EHWB had a twice higher radicals scavenging than that of AEWB, and digestive property indicated EHWB had a greater peptides production although glucose release was lower in gastric phase. Importantly, this is the first study to reveal that gut microbiota fermentation of EHWB resulted in faster generation of short-chain fatty acids at initial fermentation stage (6 h), followed a higher generation of butyrate at final fermentation stage (24 h). This fermentation property might be associated with its presence of lower molecular weight substrates and even the changes in the molecular structure induced by the enzymes. This study highlights a novel approach for developing a value-added product from wheat bran.
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Affiliation(s)
- Min Zhuang
- College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Gaoheng Li
- College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Xuanyu Wang
- College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Sheng Ke
- College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Anqi Wang
- College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Zhongkai Zhou
- College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, China; Key Laboratory for Processing and Quality Safety Control of Characteristic Agricultural Products, The Ministry of Agriculture and Rural Affairs, Shihezi University, Shihezi 832003, China; Gulbali Institute-Agriculture Water Environment, Charles Sturt University, Wagga Wagga, NSW 2678, Australia.
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Sun Y, Zhang S, He H, Chen H, Nie Q, Li S, Cheng J, Zhang B, Zheng Z, Pan S, Huang P, Lian L, Hu J, Nie S. Comprehensive evaluation of the prebiotic properties of Dendrobium officinale polysaccharides, β-glucan, and inulin during in vitro fermentation via multi-omics analysis. Int J Biol Macromol 2023; 253:127326. [PMID: 37820907 DOI: 10.1016/j.ijbiomac.2023.127326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 10/02/2023] [Accepted: 10/06/2023] [Indexed: 10/13/2023]
Abstract
Dietary fiber is crucial for human health mainly due to its impact on gut microbiota structure and metabolites. This study aimed to investigate the impact of Dendrobium officinale polysaccharides (DOP) and two common fibers (β-glucan and inulin) on the gut microbiome structure and metabolic profile in vitro. Fecal samples were obtained from 30 healthy volunteers, which were then individually subjected to fermentation with each type of fiber. The results revealed that all fibers were efficiently degraded by gut microbiota, with DOP exhibiting a slower fermentation rate compared to β-glucan and inulin. The fermentation of all fibers led to a significant increase in the production of short-chain fatty acids (SCFAs) and a reduction in branched-chain fatty acids (BCFAs), sulfides, phenols, and indole. Moreover, the abundance of unclassified Enterobacteriaceae, which was positively correlated with sulfide, phenols, and indole levels, was significantly reduced by all fibers. Additionally, DOP specifically promoted the growth of Parabacteroides, while β-glucan and inulin promoted the growth of Bifidobacterium and Faecalibacterium. Taken together, these findings enhance our understanding of the role of DOP, β-glucan, and inulin in modulating gut microbiota and metabolites, where the fermentation with fecal bacteria from different volunteers could provide valuable insights for personalized therapeutic approaches.
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Affiliation(s)
- Yonggan Sun
- State Key Laboratory of Food Science and Resources, China-Canada Joint Lab of Food Science and Technology (Nanchang), Nanchang University, Nanchang 330047, China
| | - Shanshan Zhang
- State Key Laboratory of Food Science and Resources, China-Canada Joint Lab of Food Science and Technology (Nanchang), Nanchang University, Nanchang 330047, China
| | - Huijun He
- State Key Laboratory of Food Science and Resources, China-Canada Joint Lab of Food Science and Technology (Nanchang), Nanchang University, Nanchang 330047, China
| | - Haihong Chen
- State Key Laboratory of Food Science and Resources, China-Canada Joint Lab of Food Science and Technology (Nanchang), Nanchang University, Nanchang 330047, China
| | - Qixing Nie
- State Key Laboratory of Food Science and Resources, China-Canada Joint Lab of Food Science and Technology (Nanchang), Nanchang University, Nanchang 330047, China
| | - Song Li
- State Key Laboratory of Food Science and Resources, China-Canada Joint Lab of Food Science and Technology (Nanchang), Nanchang University, Nanchang 330047, China
| | - Jiaobo Cheng
- State Key Laboratory of Food Science and Resources, China-Canada Joint Lab of Food Science and Technology (Nanchang), Nanchang University, Nanchang 330047, China
| | - Baojie Zhang
- State Key Laboratory of Food Science and Resources, China-Canada Joint Lab of Food Science and Technology (Nanchang), Nanchang University, Nanchang 330047, China
| | - Zhitian Zheng
- State Key Laboratory of Food Science and Resources, China-Canada Joint Lab of Food Science and Technology (Nanchang), Nanchang University, Nanchang 330047, China
| | - Shijie Pan
- State Key Laboratory of Food Science and Resources, China-Canada Joint Lab of Food Science and Technology (Nanchang), Nanchang University, Nanchang 330047, China
| | - Ping Huang
- Department of Nutrition, the First Affiliated Hospital of Nanchang University, Nanchang 330006, China
| | - Lu Lian
- Department of Nutrition, the First Affiliated Hospital of Nanchang University, Nanchang 330006, China
| | - Jielun Hu
- State Key Laboratory of Food Science and Resources, China-Canada Joint Lab of Food Science and Technology (Nanchang), Nanchang University, Nanchang 330047, China
| | - Shaoping Nie
- State Key Laboratory of Food Science and Resources, China-Canada Joint Lab of Food Science and Technology (Nanchang), Nanchang University, Nanchang 330047, China.
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Marques OFC, de Oliveira ER, Gandra JR, Peixoto ELT, Monção FP, de Araújo Gabriel AM, Neves NF, Silva JT, Banys VL, de Lima BM. Dietary replacement of soybean meal with heat-treated grain soybean in diets of feedlot-finished beef cattle: impacts on intake, digestibility, and ruminal parameters. Trop Anim Health Prod 2023; 56:13. [PMID: 38102489 DOI: 10.1007/s11250-023-03862-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Accepted: 12/07/2023] [Indexed: 12/17/2023]
Abstract
The objective of this study was to assess the impact of increasing levels of heat-treated soybean in the diet of crossbred cattle during the finishing phase on nutrient intake and digestibility, ruminal parameters, digesta passage rate, nitrogen balance, and microbial protein synthesis. Five steers, crossbred 7/8 Jersey x Zebu, fitted with rumen cannulas and with an average weight of 350 ± 50 kg, were utilized. The experimental treatments consisted of 0, 7, 14, 21, and 28% inclusion of heat-treated soybean in the total diet dry matter. The animals were randomly allocated in a 5 × 5 Latin square design. Evaluation of the animals took place over five experimental periods, each lasting 20 days. During each experimental period, the first 15 days were allocated for animal adaptation to the experimental diets, followed by five days of data collection. No significant differences were observed among the diets in terms of dry matter intake (average of 6.57 kg day-1; P = 0.615) and organic matter intake (average of 6.23 kg day-1; P = 0.832). However, heat-treated soybean had a significant impact on the digestibility of dry matter (P = 0.02), organic matter (P = 0.01), crude protein (P < 0.01), and neutral detergent fiber (P < 0.01). There was no observed change on microbial protein synthesis (average of 409.6 g day-1) in animals with the inclusion of heat-treated soybean in the diets. With each 1% inclusion of heat-treated soybean in the cattle diet, there was an increase of 0.00754 units in ruminal pH values and a reduction of 0.75839 mg dL-1 in ruminal ammoniacal nitrogen values. This study suggests that heat-treated soybean can be included in up to 15% of the dry matter in diets for finishing feedlot cattle.
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Affiliation(s)
- Orlando Filipe Costa Marques
- Faculty of Agricultural Sciences, Federal University of Grande Dourados, Rod. Dourados-Itahum, Km 12, Dourados, Mato Grosso Do Sul, Brazil
| | - Euclides Reuter de Oliveira
- Faculty of Agricultural Sciences, Federal University of Grande Dourados, Rod. Dourados-Itahum, Km 12, Dourados, Mato Grosso Do Sul, Brazil
| | - Jefferson Rodrigues Gandra
- Faculty of Veterinary Medicine, Federal University of Sul and Sudeste of Pará, R. Alberto Santos Dumont, Minas Gerais, Xinguara, PA, Brazil
| | - Eduardo Lucas Terra Peixoto
- Faculty of Agricultural Sciences, Federal University of Grande Dourados, Rod. Dourados-Itahum, Km 12, Dourados, Mato Grosso Do Sul, Brazil
| | - Flávio Pinto Monção
- Department of Agricultural Sciences, State University of Montes Claros, Avenue Reinaldo Viana, Janaúba, Minas Gerais, 2630, Brazil.
| | - Andréa Maria de Araújo Gabriel
- Faculty of Agricultural Sciences, Federal University of Grande Dourados, Rod. Dourados-Itahum, Km 12, Dourados, Mato Grosso Do Sul, Brazil
| | - Nathálie Ferreira Neves
- Faculty of Agricultural Sciences, Federal University of Grande Dourados, Rod. Dourados-Itahum, Km 12, Dourados, Mato Grosso Do Sul, Brazil
| | - Janaína Tayna Silva
- Faculty of Agricultural Sciences, Federal University of Grande Dourados, Rod. Dourados-Itahum, Km 12, Dourados, Mato Grosso Do Sul, Brazil
| | - Vera Lúcia Banys
- Department of Agricultural Sciences, Federal University of Jataí, Rua Riachuelo - Setor - Samuel Grahan, Jataí, Goiás, Brazil
| | - Brasilino Moreira de Lima
- Faculty of Agricultural Sciences, Federal University of Grande Dourados, Rod. Dourados-Itahum, Km 12, Dourados, Mato Grosso Do Sul, Brazil
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45
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He X, Sun C, Zhao J, Zhang Y, Zhang X, Fang Y. High Viscosity Slows the Utilization of Rapidly Fermentable Dietary Fiber by Human Gut Microbiota. J Agric Food Chem 2023; 71:19078-19087. [PMID: 38053507 DOI: 10.1021/acs.jafc.3c05652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/07/2023]
Abstract
In the present study, the influence of viscosity on the fermentation characteristics of fructooligosaccharides (FOS) by gut microbiota was examined. Different concentrations of methylcellulose (MC) were added to create varying viscosities and the mixture was fermented with FOS by gut microbiota. The results demonstrated that higher viscosity had a significant impact on slowing down the fermentation rate of FOS. Specifically, the addition of 2.5 wt% MC, which had the highest viscosity, resulted in the lowest and slowest production of gas and short-chain fatty acids (SCFAs), indicating that increased viscosity could hinder the breakdown of FOS by gut microbiota. Additionally, the slower fermentation of FOS did not significantly alter the structure of the gut microbiota community compared to that of FOS alone, suggesting that MC could be used in combination with FOS to achieve similar prebiotic effects and promote gut health while exhibiting a slower fermentation rate.
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Affiliation(s)
- Xiangxiang He
- Department of Food Science and Technology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
- Faculty of Food and Bioengineering, Henan University of Science and Technology, Luoyang 471023, Henan, China
| | - Cuixia Sun
- Department of Food Science and Technology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Jingwen Zhao
- Department of Food Science and Technology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Yin Zhang
- Key Laboratory of Meat Processing of Sichuan, Chengdu University, Chengdu 610106, China
| | - Xiaowei Zhang
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Yapeng Fang
- Department of Food Science and Technology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
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Carroll AL, Morris DL, Jolly-Beithaupt ML, Herrick KJ, Watson AK, Kononoff PJ. Energy and nitrogen utilization of lactating dairy cattle fed increasing inclusion of a high-protein processed corn coproduct. J Dairy Sci 2023; 106:8809-8820. [PMID: 37690720 DOI: 10.3168/jds.2023-23360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 07/24/2023] [Indexed: 09/12/2023]
Abstract
Advancing technologies of the corn dry-milling ethanol production process includes the mechanical separation of fiber-containing particles from a portion of plant- and yeast-based nitrogenous particles. The resulting high-protein processed corn coproduct (HPCoP) contains approximately 52% crude protein (CP), 36% neutral detergent fiber (NDF), 6.4% total fatty acids (TFA). The objective of this experiment was to examine the effects of replacing nonenzymatically browned soybean meal with the HPCoP on dry matter intake (DMI), energy and N utilization, and milk production of lactating Jersey cows. Twelve multiparous Jersey cows were used in a triplicated 4 × 4 Latin square design consisting of four 28-d periods. Cows were blocked by milk yield and assigned randomly to 1 of 4 treatment diets that contained HPCoP (dry matter [DM] basis) at (1) 0%; (2) 2.6%; (3) 5.4%; and (4) 8.0%. Diets were formulated to be isonitrogenous and thus replace nonenzymatically browned soybean meal with HPCoP in the concentrate mix, while forage inclusion remained the same across diets. Increasing the concentration of HPCoP had no effect on DMI (mean ± SE; 19.9 ± 0.62 kg/d), but tended to linearly increase milk yield (27.8, 28.5, 29.8, and 29.0 ± 1.00 kg/d). Although no difference was observed in the concentration of milk protein with increasing inclusion of HPCoP (3.40% ± 0.057%), the concentration of fat linearly increased with the inclusion of HPCoP (5.05%, 5.19%, 5.15%, 5.47% ± 0.18%). No differences were observed in the digestibility of DM, NDF, CP, TFA, and gross energy averaging 66.6% ± 0.68%, 49.0% ± 1.03%, 66.1% ± 0.82%, 73.6% ± 1.73%, 66.3% ± 0.72%, respectively, with increasing HPCoP inclusion. The concentration of dietary gross energy linearly increased with increasing concentrations of HPCoP (4.25, 4.26, 4.28, and 4.31 ± 0.01 Mcal/kg), but no difference was observed in digestible energy and metabolizable energy (ME) across treatments averaging 2.83 ± 0.033 and 2.53 ± 0.043 Mcal/kg, respectively. Concentration of dietary net energy for lactation (NEL) tended to increase with increasing HPCoP (1.61, 1.72, 1.74, 1.72 ± 0.054 Mcal/kg) with the ratio of NEL:ME increasing linearly with increasing HPCoP inclusion (0.648, 0.676, 0.687, 0.677 ± 0.0124). Results of this study suggest that inclusion of the HPCoP can replace nonenzymatically browned soybean meal and support normal milk production.
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Affiliation(s)
- A L Carroll
- Department of Animal Science, University of Nebraska-Lincoln, Lincoln, NE 68583
| | - D L Morris
- Perdue AgriBusiness, Salisbury, MD 21804
| | | | | | - A K Watson
- Department of Animal Science, University of Nebraska-Lincoln, Lincoln, NE 68583
| | - P J Kononoff
- Department of Animal Science, University of Nebraska-Lincoln, Lincoln, NE 68583.
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Ineichen SM, Zumwald J, Reidy B, Nemecek T. Feed-food and land use competition of lowland and mountain dairy cow farms. Animal 2023; 17:101028. [PMID: 38039663 DOI: 10.1016/j.animal.2023.101028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 10/26/2023] [Accepted: 10/31/2023] [Indexed: 12/03/2023] Open
Abstract
Dairy cows and other ruminants contribute to human nutrition as they are able to convert feed components containing human inedible fibre concentrations (e.g. roughage and by-products from the food processing industry) into valuable animal-sourced food. A number of crops often fed to dairy cows (e.g. soy or cereals) are however potentially edible by humans too. Additionally, land used to grow dairy cattle feed may compete with crop production for human consumption. Two different methods to assess the competition between feed consumption of dairy cows and human food supply were thus refined and tested on 25 Swiss dairy farms. With respect to the potential human edibility of the feeds used in dairy production, the human-edible feed conversion ratio (eFCR) was applied. The land use ratio (LUR) was used to relate the food production potential, per area of land utilised, with the dairy production output. Low to medium eFCR, with values ranging from 0.02 to 0.68 were found, as an average proportion of 0.74 of total DM intake consisted of roughage. In contrast, we found relatively high LUR (0.69-5.93) for most farms. If the land area used to produce feed for cows was used for crop production (applying a crop rotation), 23 of the 25 farms could have produced more edible protein and all farms more human-edible energy. Indicator values strongly depend on the underlying scenarios, such as the human-edible proportion of feeds or the suitability of land and climate for crop production. Reducing the amount of human-edible feeds in dairy farming by feeding by-products from the food processing industry and improving forage quality may be suitable strategies to reduce eFCR, but relying on low-opportunity cost feeds may restrict milk performance level per cow. On farm level, improving overall efficiency and therefore using less land (especially area suitable for crop production) per kg product decreases LUR. However, the most promising strategy to mitigate land use competition may be to localise dairy production to land areas not suitable for crop production. Both methods (eFCR and LUR) should be used in parallel. They offer an opportunity to holistically evaluate the net contribution of dairy production to the human food supply under different environmental conditions and stress the importance of production systems well suited to specific farm site characteristics.
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Affiliation(s)
- S M Ineichen
- Bern University of Applied Sciences BFH, School of Agricultural, Forest and Food Sciences HAFL, Laenggasse 85, CH-3052 Zollikofen, Bern, Switzerland
| | - J Zumwald
- Agroscope, LCA Research Group, Reckenholzstrasse 191, CH-8046 Zürich, Switzerland
| | - B Reidy
- Bern University of Applied Sciences BFH, School of Agricultural, Forest and Food Sciences HAFL, Laenggasse 85, CH-3052 Zollikofen, Bern, Switzerland.
| | - T Nemecek
- Agroscope, LCA Research Group, Reckenholzstrasse 191, CH-8046 Zürich, Switzerland
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48
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Martineau R, Ouellet DR, Pellerin D, Firkins JL, Hanigan MD, White RR, LaPierre PA, Van Amburgh ME, Lapierre H. Ability of three dairy feed evaluation systems to predict postruminal outflows of nitrogenous compounds in dairy cows: A meta-analysis. J Dairy Sci 2023; 106:8583-8610. [PMID: 37683889 DOI: 10.3168/jds.2022-23215] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Accepted: 05/15/2023] [Indexed: 09/10/2023]
Abstract
Adequate prediction of postruminal outflow of protein fractions is the starting point for the determination of metabolizable protein supply in dairy cows. The objective of this meta-analysis was to compare the performance of 3 dairy feed evaluation systems (National Research Council [NRC], Cornell Net Protein and Carbohydrate System [CNCPS], and National Academies of Sciences, Engineering and Medicine [NASEM]) to predict outflows (g/d) of nonammonia nitrogren (NAN), microbial N (MiN), and nonammonia nonmicrobial N (NANMN). Predictions of rumen degradabilities (% of nutrient) of protein (RDP), NDF, and starch were also evaluated. The data set included 1,294 treatment means from 312 digesta flow studies. The 3 feed evaluation systems were compared using the concordance correlation coefficient (CCC), the ratio of root mean square prediction error (RMSPE) on standard deviation of observed values (RSR), and the slope between observed and predicted values. Mean and linear biases were deemed biologically relevant and are discussed if higher than a threshold of 5% of the mean of observed values. The comparisons were done on observed values adjusted or not for the study effect; the adjustment had a small effect on the mean bias but the linear bias reflected a response to a dietary change rather than absolute predictions. For the absolute predictions of NAN and MiN, CNCPS had the best-fit statistics (8% greater CCC; 6% lower RMSPE) without any bias; NRC and NASEM underpredicted NAN and MiN, and NASEM had an additional linear bias indicating that the underprediction of MiN increased at increased predictions. For NANMN, fit statistics were similar among the 3 feed evaluation systems with no mean bias; however, the linear bias with NRC and CNCPS indicated underprediction at low predictions and overprediction at elevated predictions. On average, the CCC were smaller and RSR ratios were greater for MiN versus NAN indicating increased prediction errors for MiN. For NAN responses to a dietary change, CNCPS also had the best predictions, although the mean bias with NASEM was not biologically relevant and the 3 feed evaluation systems did not present a linear bias. However, CNCPS, but not the 2 other feed evaluation systems, presented a linear bias for MiN, with responses being overpredicted at increased predictions. For NANMN, responses were overpredicted at increased predictions for the 3 feed evaluation systems, but to a lesser extent with NASEM. The site of sampling had an effect on the mean bias of MiN and NANMN in the 3 feed evaluation systems. The mean bias of MiN was higher in omasal than duodenal studies in the 3 feed evaluation systems (from 55 to 61 g/d) and this mean bias was twice as large when 15N labeling was used as a microbial marker compared with purines. Such a difference was not observed for duodenal studies. The reasons underlying these systematic differences are not clear as the type of measurements used in the current meta-analysis does not allow to delineate if one site or one microbial marker is yielding the "true" postruminal N outflows. Rumen degradabilities of protein was underpredicted with CNCPS, and RDP responses to a dietary change was underpredicted by the 3 feed evaluation systems with increased RDP predictions. Rumen degradability of NDF was underpredicted and had poor fit statistics for NASEM compared with CNCPS. Fit statistics were similar between CNCPS and NASEM for rumen degradability of starch, but with an underprediction of the response with NASEM and absolute values being overpredicted with CNCPS. Multivariate regression analyses showed that diet characteristics were correlated with prediction errors of N outflows in each feed evaluation system. Globally, compared with NAN and NANMN, residuals of MiN were correlated with several moderators in the 3 feed evaluation systems reflecting the complexity to measure and model this outflow. In addition, residuals of NANMN were correlated positively with RDP suggesting an overestimation of this parameter. In conclusion, although progress is still to be made to improve equations predicting postruminal N outflows, the current feed evaluation systems provide sufficient precision and accuracy to predict postruminal outflows of N fractions.
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Affiliation(s)
- R Martineau
- Sherbrooke Research and Development Centre, Agriculture and Agri-Food Canada, QC, Canada, J1M 0C8.
| | - D R Ouellet
- Sherbrooke Research and Development Centre, Agriculture and Agri-Food Canada, QC, Canada, J1M 0C8
| | - D Pellerin
- Department of Animal Science, Laval University, Québec, QC, Canada, G1V 0A6
| | - J L Firkins
- Department of Animal Sciences, The Ohio State University, Columbus, OH 43210
| | - M D Hanigan
- Department of Dairy Science, Virginia Tech, Blacksburg, VA 24060
| | - R R White
- Department of Dairy Science, Virginia Tech, Blacksburg, VA 24060
| | - P A LaPierre
- Department of Animal Science, Cornell University, Ithaca, NY 14850
| | - M E Van Amburgh
- Department of Animal Science, Cornell University, Ithaca, NY 14850
| | - H Lapierre
- Sherbrooke Research and Development Centre, Agriculture and Agri-Food Canada, QC, Canada, J1M 0C8
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Morshedy SA, Gad KM, Basyony MM, Zahran SM, Ahmed MH. The feasibility of partial replacement of berseem hay by spent mushroom ( Pleurotus osteratus) substrate in rabbit diets on growth performance, digestibility, caecum fermentation, and economic efficiency. Arch Anim Nutr 2023; 77:421-436. [PMID: 38058087 DOI: 10.1080/1745039x.2023.2263196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Accepted: 09/04/2023] [Indexed: 12/08/2023]
Abstract
Nowadays, agricultural by-product disposal is a major concern. The mushroom by-products could be used as an alternative feed source in rabbit diets. Therefore, partial replacement of berseem hay (BH) with spent mushroom substrate (SMS) was conducted in four experimental groups as follows: 0, 20, 40, and 60% of SMS. Forty weaned New Zealand White (NZW) rabbits at 6th weeks of age with an initial body weight of 520.25 ± 70.01 g were fed the experimental diet for 8 weeks. The results showed that ash content and cell wall constituents in SMS were higher than in BH, while the other nutrient compounds in SMS were lower than in BH. Dietary SMS at a level of 60% increased the final body weight (p = 0.05) and feed conversion ratio (p ≤ 0.05). However, average daily gain and total feed intake were not affected by treatments. The replacement of SMS at levels of 40 and 60% significantly improved nutrient digestibility and total digestible nutrient value. SMS 60% decreased (p = 0.040) faecal N and improved (p = 0.006) retained nitrogen. The SMS replacement increased caecum length (p = 0.001), and full and empty caecum weight (p = 0.001 and 0.021, respectively) compared to the control. The SMS inclusion caused a decrease (p = 0.021 and 0.007) in the pH and NH3-N concentrations, respectively. Total VFA, acetic acid, butyric acid, and propionic acid proportions increased with the dietary inclusion of SMS in a level-dependent manner. Using SMS as a replacement for BH in growing rabbit diets reduced the total feed cost, and consequently improved net revenue, economic efficiency, and relative economic efficiency.
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Affiliation(s)
- Sabrin Abdelrahman Morshedy
- Department of Fish and Animal Production, Faculty of Agriculture (Saba Basha), Alexandria University, Alexandria, Egypt
| | - Khaled Magdy Gad
- Department of Fish and Animal Production, Faculty of Agriculture (Saba Basha), Alexandria University, Alexandria, Egypt
| | - Mohamed M Basyony
- Department of Poultry Nutrition, Animal Production Research Institute, Agriculture Research Center, Giza, Egypt
| | - Soliman Mohamed Zahran
- Department of Fish and Animal Production, Faculty of Agriculture (Saba Basha), Alexandria University, Alexandria, Egypt
| | - Mohamed Hassan Ahmed
- Department of Fish and Animal Production, Faculty of Agriculture (Saba Basha), Alexandria University, Alexandria, Egypt
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50
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Fuso A, Viscusi P, Righetti L, Pedrazzani C, Rosso G, Manera I, Rosso F, Caligiani A. Hazelnut (Corylus avellana L.) shells as a potential source of dietary fibre: impact of hydrothermal treatment temperature on fibre structure and degradation compounds. J Sci Food Agric 2023; 103:7569-7579. [PMID: 37418584 DOI: 10.1002/jsfa.12837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 06/09/2023] [Accepted: 07/07/2023] [Indexed: 07/09/2023]
Abstract
BACKGROUND Hemicellulose extraction from lignocellulosic biomasses has gained interest over the years, and hydrothermal treatment is one of the most common methods employed for this purpose. This work aimed to deeply study hazelnut (Corylus avellana L.) shells as a new source of dietary fibre, evaluating the effect of hydrothermal treatment temperatures on the type and structure of fibre extracted, but also on the formation of side-products derived from lignocellulose degradation. RESULTS Different process temperatures led to diverse polysaccharides in the hydrothermal extract. Pectin was identified for the first time in hazelnut shells when experimenting with extraction at 125 °C, whereas at 150 °C a heterogeneous mixture of pectin, xylan, and xylo-oligosaccharides was present. The highest yield in terms of total fibre was gained at 150 and 175 °C, and then decreased again at 200 °C. Finally, more than 500 compounds from different chemical classes were putatively identified and they appeared to be present in the extracted fibre with a different distribution and relative amount, depending on the heat treatment severity. A generally high content of phenols, phenyls, oligosaccharides, dehydro-sugars, and furans was observed. CONCLUSIONS Modulation of the hydrothermal treatment temperature allows fibre extracts with very different compositions, and therefore different potential end uses, to be obtained from hazelnut shells. A sequential temperature-based fractionation approach, as a function of the severity of the extraction parameters, can also be considered. Nevertheless, the study of the side-compounds formed from lignocellulosic matrix degradation, as a function of the applied temperature, needs to be fully addressed for a safe introduction of the fibre extract within the food chain. © 2023 The Authors. Journal of The Science of Food and Agriculture published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
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Affiliation(s)
- Andrea Fuso
- Food and Drug Department, University of Parma, Parma, Italy
| | - Pio Viscusi
- Food and Drug Department, University of Parma, Parma, Italy
| | - Laura Righetti
- Food and Drug Department, University of Parma, Parma, Italy
- Wageningen Food Safety Research (WFSR), Wageningen University & Research, Wageningen, Netherlands
- Laboratory of Organic Chemistry, Wageningen University, Wageningen, Netherlands
| | | | | | | | - Franco Rosso
- Soremartec Italia Srl, Ferrero Group, Alba, Italy
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