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Khavandegar A, Heidarzadeh A, Angoorani P, Hasani-Ranjbar S, Ejtahed HS, Larijani B, Qorbani M. Adherence to the Mediterranean diet can beneficially affect the gut microbiota composition: a systematic review. BMC Med Genomics 2024; 17:91. [PMID: 38632620 PMCID: PMC11022496 DOI: 10.1186/s12920-024-01861-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Accepted: 04/03/2024] [Indexed: 04/19/2024] Open
Abstract
AIM Dietary patterns could have a notable role in shaping gut microbiota composition. Evidence confirms the positive impact of the Mediterranean diet (MD), as one of the most studied healthy dietary patterns, on the gut microbiota profile. We conducted this systematic review to investigate the results of observational studies and clinical trials regarding the possible changes in the gut microbiota composition, metabolites, and clinical outcomes following adherence to MD in healthy cases or patients suffering from metabolic disorders. METHODS A systematic literature search was conducted on PubMed, Web of Science, and Scopus databases until October 2023. Two researchers separately screened the titles, abstracts, and then full-text of the articles and selected the relevant studies. Quality assessment of observational and interventional studies was performed by Newcastle-Ottawa and Cochrane checklists, respectively. RESULTS A total of 1637 articles were obtained during the initial search. Ultimately, 37 articles, including 17 observational and 20 interventional studies, were included in this systematic review. Ten observational and 14 interventional studies reported a correlation between MD adherence and microbiota diversity. Faecalibacterium and Prevotella were the most frequent bacterial genera with increased abundance in both observational and interventional studies; an Increment of Bacteroides genus was also reported in observational studies. Better glycemic control, lowering fat mass, better bowel movement, decreased bloating, inflammation, and hospitalization risk were the reported clinical outcomes. CONCLUSION Adherence to the MD is associated with significant beneficial changes in the gut microbiota diversity, composition, and functions and major clinical improvements in most populations.
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Affiliation(s)
- Armin Khavandegar
- Non-Communicable Disease Research Center, Alborz University of Medical Sciences, Karaj, Iran
- Sina Trauma and Surgery Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Ali Heidarzadeh
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Pooneh Angoorani
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Shirin Hasani-Ranjbar
- Obesity and Eating Habits Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Hanieh-Sadat Ejtahed
- Obesity and Eating Habits Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran.
| | - Bagher Larijani
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Mostafa Qorbani
- Non-Communicable Disease Research Center, Alborz University of Medical Sciences, Karaj, Iran.
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He M, Wei W, Zhang Y, Xiang Z, Peng D, Kasimumali A, Rong S. Gut microbial metabolites SCFAs and chronic kidney disease. J Transl Med 2024; 22:172. [PMID: 38369469 PMCID: PMC10874542 DOI: 10.1186/s12967-024-04974-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Accepted: 02/11/2024] [Indexed: 02/20/2024] Open
Abstract
The global incidence of Chronic Kidney Disease (CKD) is steadily escalating, with discernible linkage to the intricate terrain of intestinal microecology. The intestinal microbiota orchestrates a dynamic equilibrium in the organism, metabolizing dietary-derived compounds, a process which profoundly impacts human health. Among these compounds, short-chain fatty acids (SCFAs), which result from microbial metabolic processes, play a versatile role in influencing host energy homeostasis, immune function, and intermicrobial signaling, etc. SCFAs emerge as pivotal risk factors influencing CKD's development and prognosis. This paper review elucidates the impact of gut microbial metabolites, specifically SCFAs, on CKD, highlighting their role in modulating host inflammatory responses, oxidative stress, cellular autophagy, the immune milieu, and signaling cascades. An in-depth comprehension of the interplay between SCFAs and kidney disease pathogenesis may pave the way for their utilization as biomarkers for CKD progression and prognosis or as novel adjunctive therapeutic strategies.
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Affiliation(s)
- Meng He
- Department of Nephrology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, China
| | - Wenqian Wei
- Department of Nephrology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, China
| | - Yichen Zhang
- Department of Urology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, China
| | - Zhouxia Xiang
- Department of Nephrology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, China
| | - Dan Peng
- Department of Nephrology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, China
| | - Ayijiaken Kasimumali
- Department of Nephrology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, China
| | - Shu Rong
- Department of Nephrology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, China.
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Davies C, González-Ortiz G, Rinttilä T, Apajalahti J, Alyassin M, Bedford MR. Stimbiotic supplementation and xylose-rich carbohydrates modulate broiler's capacity to ferment fibre. Front Microbiol 2024; 14:1301727. [PMID: 38274766 PMCID: PMC10808361 DOI: 10.3389/fmicb.2023.1301727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Accepted: 12/20/2023] [Indexed: 01/27/2024] Open
Abstract
Stimbiotics are a new category of feed additives that can increase fibre fermentability by stimulating fibre-degrading microbiota in the gut. The aim of this study was to test, ex vivo, if the microbiota of broilers fed a stimbiotic are better able to ferment different xylose-rich substrates in an ileal and a caecal environment. The ileal and caecal contents from broiler chickens fed a stimbiotic or from a control group were used as an inoculum in the ex vivo fermentation experiment. Different xylose-rich substrates including monomeric xylose (XYL), XOS with DP 2 to 6 (XOS), short DP XOS of 2 to 3 (sDP-XOS), long DP XOS of 4 to 6 (lDP-XOS) and de-starched wheat bran (WB), were added to each ileal and caecal inoculum in fermentation vessels. Total gas, short-chain fatty acids (SCFA) production, bacterial quantification, and carbohydrate utilisation were monitored for 9 h post-inoculation. No significant interactions were observed in any of the parameters measured in either the ileal or caecal contents (p > 0.05). Stimbiotic ileal inocula resulted in higher total gas (p < 0.001) and volatile fatty acid (VFA) (p < 0.001) production, increased numbers of Lactobacillus spp. (p < 0.001), and decreased numbers of Enterococcus spp. (p < 0.01) after 9 h regardless of the xylose-rich substrate added. Stimbiotic caecal inocula resulted in a higher ratio of VFA to branched-chain fatty acids (BCFAs) by up to +9% (p < 0.05). Ileal microbiota were found to preferentially metabolise WB, while caecal microbiota favoured XOS substrates, particularly lDP-XOS. These results indicate that stimbiotics can promote the abundance of lactic acid bacteria involved in the establishment of fibre-degrading bacteria and VFA content in the gut, which could have beneficial effects on broiler performance. Further, ileal and caecal microbiota differ in their utilisation of different substrates which may impact the effectiveness of different stimbiotic products.
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Affiliation(s)
| | | | - Teemu Rinttilä
- AB Vista, Wiltshire, United Kingdom
- Alimetrics Research Ltd., Espoo, Finland
| | - Juha Apajalahti
- AB Vista, Wiltshire, United Kingdom
- Alimetrics Research Ltd., Espoo, Finland
| | - Mohammad Alyassin
- School of Applied Sciences, University of Huddersfield, Huddersfield, United Kingdom
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Liu G, Yu B, Li J, Zhang Z, Tao H, Zhao H, Lu Y, Yuan C, Li Q, Cui B. Short-Chain Fatty-Acid-Producing Micro-Organisms Regulate the Pancreatic FFA2-Akt/PI3K Signaling Pathway in a Diabetic Rat Model Affected by Pumpkin Oligosaccharides. Foods 2023; 12:3559. [PMID: 37835211 PMCID: PMC10572525 DOI: 10.3390/foods12193559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2023] [Revised: 09/20/2023] [Accepted: 09/20/2023] [Indexed: 10/15/2023] Open
Abstract
Herein, we applied the Illumina MiSeq pyrosequencing platform to amplify the V3-V4 hypervariable regions of the 16 S rRNA gene of the gut microbiota (GM) and a gas chromatograph-mass spectrometer to detect the metabolites after supplementation with pumpkin oligosaccharides (POSs) to determine the metabolic markers and mechanisms in rats with type 2 diabetes (T2D). The POSs alleviated glucolipid metabolism by decreasing the serum low-density lipoprotein (LDL), total cholesterol (TC), and glucose levels. These responses were supported by a shift in the gut microbiota, especially in the butyric-acid-producing communities. Meanwhile, elevated total short-chain fatty acid (SCFA), isovaleric acid, and butyric acid levels were observed after supplementation with POSs. Additionally, this work demonstrated that supplementation with POSs could reduce TNF-α and IL-6 secretion via the FFA2-Akt/PI3K pathway in the pancreas. These results suggested that POSs alleviated T2D by changing the SCFA-producing gut microbiota and SCFA receptor pathways.
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Affiliation(s)
- Guimei Liu
- State Key Laboratory of Biobased Material and Green Papermaking, School of Food Science and Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China; (G.L.); (B.Y.); (J.L.); (Z.Z.); (H.T.); (H.Z.); (Y.L.); (C.Y.)
| | - Bin Yu
- State Key Laboratory of Biobased Material and Green Papermaking, School of Food Science and Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China; (G.L.); (B.Y.); (J.L.); (Z.Z.); (H.T.); (H.Z.); (Y.L.); (C.Y.)
| | - Jianpeng Li
- State Key Laboratory of Biobased Material and Green Papermaking, School of Food Science and Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China; (G.L.); (B.Y.); (J.L.); (Z.Z.); (H.T.); (H.Z.); (Y.L.); (C.Y.)
| | - Zheng Zhang
- State Key Laboratory of Biobased Material and Green Papermaking, School of Food Science and Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China; (G.L.); (B.Y.); (J.L.); (Z.Z.); (H.T.); (H.Z.); (Y.L.); (C.Y.)
| | - Haiteng Tao
- State Key Laboratory of Biobased Material and Green Papermaking, School of Food Science and Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China; (G.L.); (B.Y.); (J.L.); (Z.Z.); (H.T.); (H.Z.); (Y.L.); (C.Y.)
| | - Haibo Zhao
- State Key Laboratory of Biobased Material and Green Papermaking, School of Food Science and Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China; (G.L.); (B.Y.); (J.L.); (Z.Z.); (H.T.); (H.Z.); (Y.L.); (C.Y.)
| | - Yanmin Lu
- State Key Laboratory of Biobased Material and Green Papermaking, School of Food Science and Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China; (G.L.); (B.Y.); (J.L.); (Z.Z.); (H.T.); (H.Z.); (Y.L.); (C.Y.)
| | - Chao Yuan
- State Key Laboratory of Biobased Material and Green Papermaking, School of Food Science and Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China; (G.L.); (B.Y.); (J.L.); (Z.Z.); (H.T.); (H.Z.); (Y.L.); (C.Y.)
| | - Quanhong Li
- National Engineering Research Center for Fruit and Vegetable Processing, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China;
| | - Bo Cui
- State Key Laboratory of Biobased Material and Green Papermaking, School of Food Science and Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China; (G.L.); (B.Y.); (J.L.); (Z.Z.); (H.T.); (H.Z.); (Y.L.); (C.Y.)
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Fogelson KA, Dorrestein PC, Zarrinpar A, Knight R. The Gut Microbial Bile Acid Modulation and Its Relevance to Digestive Health and Diseases. Gastroenterology 2023; 164:1069-1085. [PMID: 36841488 PMCID: PMC10205675 DOI: 10.1053/j.gastro.2023.02.022] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 01/31/2023] [Accepted: 02/09/2023] [Indexed: 02/27/2023]
Abstract
The human gut microbiome has been linked to numerous digestive disorders, but its metabolic products have been much less well characterized, in part due to the expense of untargeted metabolomics and lack of ability to process the data. In this review, we focused on the rapidly expanding information about the bile acid repertoire produced by the gut microbiome, including the impacts of bile acids on a wide range of host physiological processes and diseases, and discussed the role of short-chain fatty acids and other important gut microbiome-derived metabolites. Of particular note is the action of gut microbiome-derived metabolites throughout the body, which impact processes ranging from obesity to aging to disorders traditionally thought of as diseases of the nervous system, but that are now recognized as being strongly influenced by the gut microbiome and the metabolites it produces. We also highlighted the emerging role for modifying the gut microbiome to improve health or to treat disease, including the "engineered native bacteria'' approach that takes bacterial strains from a patient, modifies them to alter metabolism, and reintroduces them. Taken together, study of the metabolites derived from the gut microbiome provided insights into a wide range of physiological and pathophysiological processes, and has substantial potential for new approaches to diagnostics and therapeutics of disease of, or involving, the gastrointestinal tract.
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Affiliation(s)
- Kelly A Fogelson
- Biomedical Sciences Graduate Program, University of California San Diego, La Jolla, California
| | - Pieter C Dorrestein
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, California; Department of Pediatrics, University of California San Diego, San Diego, California; Center for Microbiome Innovation, University of California San Diego, San Diego, California.
| | - Amir Zarrinpar
- Center for Microbiome Innovation, University of California San Diego, San Diego, California; Division of Gastroenterology, Jennifer Moreno Department of Veterans Affairs Medical Center, San Diego, California; Division of Gastroenterology, University of California San Diego, San Diego, California; Institute of Diabetes and Metabolic Health, University of California San Diego, San Diego, California.
| | - Rob Knight
- Department of Pediatrics, University of California San Diego, San Diego, California; Center for Microbiome Innovation, University of California San Diego, San Diego, California; Department of Bioengineering, University of California San Diego, San Diego, California; Department of Computer Science and Engineering, University of California San Diego, San Diego, California.
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Polo A, Albiac MA, Da Ros A, Ardèvol VN, Nikoloudaki O, Verté F, Di Cagno R, Gobbetti M. The Effect of Hydrolyzed and Fermented Arabinoxylan-Oligo Saccharides (AXOS) Intake on the Middle-Term Gut Microbiome Modulation and Its Metabolic Answer. Nutrients 2023; 15:nu15030590. [PMID: 36771297 PMCID: PMC9920721 DOI: 10.3390/nu15030590] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 01/12/2023] [Accepted: 01/19/2023] [Indexed: 01/24/2023] Open
Abstract
Although fermentation and hydrolyzation are well-known processes to improve the bioavailability of nutrients and enable the fortification with dietary fibers, the effect of such pre-treatments on the prebiotic features of arabinoxylan-oligosaccharides (AXOS) had not been explored. The middle-term in vitro simulation through the Simulator of the Human Intestinal Microbial Ecosystem (SHIME) demonstrated that the feeding with different formulations (namely oat bran, rye bran and wheat bran) containing hydrolyzed AXOS fermented by lactic acid bacteria significantly increased the synthesis of short-chain fatty acids (SCFA) by colon microbiota, with hydrolyzed and fermented rye bran displaying the highest effect. After two weeks from the interruption of intake, SCFA concentrations significantly decreased but remained still significantly higher compared to the original condition. The microbiome was also affected, with a significant abundance increase in Lactobacillaceae taxon after feeding with all fermented and hydrolyzed formulates. Hydrolyzed and fermented rye bran showed the highest changes. The fungal community, even if it had a lower variety compared to bacteria, was also modulated after feeding with AXOS formulations, with an increase in Candida relative abundance and a decrease in Issatchenkia. On the contrary, the intake of non-hydrolyzed and non-fermented wheat bran did not produce relevant changes of relative abundances. After two weeks from intake interruption (wash out period) such changes were mitigated, and the gut microbiome modulated again to a final structure that was more like the original condition. This finding suggests that hydrolyzed AXOS fermented by lactic acid bacteria could have a more powerful prebiotic effect compared to non-hydrolyzed and non-fermented wheat bran, shaping the colon microbiome and its metabolic answer. However, the intake should be continuous to assure persistent effects. Opening a window into the ecological evolutions and plausible underlying mechanisms, the findings reinforce the perspective to explore more in depth the use of hydrolyzed and fermented AXOS as additional ingredient for bread fortification.
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Affiliation(s)
- Andrea Polo
- Faculty of Science and Technology, Libera Universitá di Bolzano, 39100 Bozen, Italy
- Correspondence:
| | - Marta Acin Albiac
- Faculty of Science and Technology, Libera Universitá di Bolzano, 39100 Bozen, Italy
| | - Alessio Da Ros
- Faculty of Science and Technology, Libera Universitá di Bolzano, 39100 Bozen, Italy
| | | | - Olga Nikoloudaki
- Faculty of Science and Technology, Libera Universitá di Bolzano, 39100 Bozen, Italy
| | | | - Raffaella Di Cagno
- Faculty of Science and Technology, Libera Universitá di Bolzano, 39100 Bozen, Italy
| | - Marco Gobbetti
- Faculty of Science and Technology, Libera Universitá di Bolzano, 39100 Bozen, Italy
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Rauch CE, Mika AS, McCubbin AJ, Huschtscha Z, Costa RJS. Effect of prebiotics, probiotics, and synbiotics on gastrointestinal outcomes in healthy adults and active adults at rest and in response to exercise-A systematic literature review. Front Nutr 2022; 9:1003620. [PMID: 36570133 PMCID: PMC9768503 DOI: 10.3389/fnut.2022.1003620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 11/17/2022] [Indexed: 12/12/2022] Open
Abstract
Introduction A systematic literature search was undertaken to assess the impact of pre-, pro-, and syn-biotic supplementation on measures of gastrointestinal status at rest and in response to acute exercise. Methods Six databases (Ovid MEDLINE, EMBASE, Cinahl, SportsDISCUS, Web of Science, and Scopus) were used. Included were human research studies in healthy sedentary adults, and healthy active adults, involving supplementation and control or placebo groups. Sedentary individuals with non-communicable disease risk or established gastrointestinal inflammatory or functional diseases/disorders were excluded. Results A total of n = 1,204 participants were included from n = 37 papers reported resting outcomes, and n = 13 reported exercise-induced gastrointestinal syndrome (EIGS) outcomes. No supplement improved gastrointestinal permeability or gastrointestinal symptoms (GIS), and systemic endotoxemia at rest. Only modest positive changes in inflammatory cytokine profiles were observed in n = 3/15 studies at rest. Prebiotic studies (n = 4/5) reported significantly increased resting fecal Bifidobacteria, but no consistent differences in other microbes. Probiotic studies (n = 4/9) increased the supplemented bacterial species-strain. Only arabinoxylan oligosaccharide supplementation increased total fecal short chain fatty acid (SCFA) and butyrate concentrations. In response to exercise, probiotics did not substantially influence epithelial injury and permeability, systemic endotoxin profile, or GIS. Two studies reported reduced systemic inflammatory cytokine responses to exercise. Probiotic supplementation did not substantially influence GIS during exercise. Discussion Synbiotic outcomes resembled probiotics, likely due to the minimal dose of prebiotic included. Methodological issues and high risk of bias were identified in several studies, using the Cochrane Risk of Bias Assessment Tool. A major limitation in the majority of included studies was the lack of a comprehensive approach of well-validated biomarkers specific to gastrointestinal outcomes and many included studies featured small sample sizes. Prebiotic supplementation can influence gut microbial composition and SCFA concentration; whereas probiotics increase the supplemented species-strain, with minimal effect on SCFA, and no effect on any other gastrointestinal status marker at rest. Probiotic and synbiotic supplementation does not substantially reduce epithelial injury and permeability, systemic endotoxin and inflammatory cytokine profiles, or GIS in response to acute exercise.
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Affiliation(s)
- Christopher E. Rauch
- Department of Nutrition Dietetics and Food, School of Clinical Sciences, Faculty of Medicine Nursing and Health Sciences, Monash University, Notting Hill, VIC, Australia
| | - Alice S. Mika
- Department of Nutrition Dietetics and Food, School of Clinical Sciences, Faculty of Medicine Nursing and Health Sciences, Monash University, Notting Hill, VIC, Australia
| | - Alan J. McCubbin
- Department of Nutrition Dietetics and Food, School of Clinical Sciences, Faculty of Medicine Nursing and Health Sciences, Monash University, Notting Hill, VIC, Australia
| | - Zoya Huschtscha
- Institute for Physical Activity and Nutrition, School of Exercise and Nutrition Sciences, Deakin University, Geelong, VIC, Australia
| | - Ricardo J. S. Costa
- Department of Nutrition Dietetics and Food, School of Clinical Sciences, Faculty of Medicine Nursing and Health Sciences, Monash University, Notting Hill, VIC, Australia,*Correspondence: Ricardo J. S. Costa
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Fermented Brewers’ Spent Grain Containing Dextran and Oligosaccharides as Ingredient for Composite Wheat Bread and Its Impact on Gut Metabolome In Vitro. FERMENTATION-BASEL 2022. [DOI: 10.3390/fermentation8100487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Brewers’ spent grain or BSG is a fiber and protein rich food-grade side stream that has remained underutilized due to its poor technological and sensory characteristics. In this study, BSG was fermented with Weissella confusa A16 in presence of sucrose to induce the synthesis of dextran and maltosyl-isomaltooligosaccharides. Fermented BSG with or without the above polysaccharides was used as ingredient in wheat bread. Digestion of BSG breads was simulated in vitro with Simulator of Human Intestinal Microbial Ecosystem, and levels of fecal metabolites were analyzed. Enrichment of BSG breads with in situ dextran and maltosyl-isomaltooligosaccharides improved the baking quality compared to native BSG. Metabolism of free amino acids and synthesis of short chain fatty acids varied at different stages and parts of colon. The increase in butyric acid was similar in both the proximal and distal colon. In situ dextran and maltosyl-isomaltooligosaccharides, and higher content of proteins and fiber in BSG breads had a positive influence towards gut microbiota functionality. Along with several essential amino acids, an increase in amount of γ-aminobutyric acid was also observed after simulated digestion. BSG breads had a significant effect on the gut metabolome during in vitro digestion, showing increased production of microbial metabolites with potential health benefits.
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León Aguilera XE, Manzano A, Pirela D, Bermúdez V. Probiotics and Gut Microbiota in Obesity: Myths and Realities of a New Health Revolution. J Pers Med 2022; 12:jpm12081282. [PMID: 36013231 PMCID: PMC9410237 DOI: 10.3390/jpm12081282] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 07/31/2022] [Accepted: 08/01/2022] [Indexed: 11/16/2022] Open
Abstract
Obesity and its comorbidities are humans’ most prevalent cardio-metabolic diseases worldwide. Recent evidence has shown that chronic low-grade inflammation is a common feature in all highly prevalent chronic degenerative diseases. In this sense, the gut microbiota is a complete ecosystem involved in different processes like vitamin synthesis, metabolism regulation, and both appetite and immune system control. Thus, dysbiosis has been recognised as one of the many factors associated with obesity due to a predominance of Firmicutes, a decrease in Bifidobacterium in the gut, and a consequent short-chain fatty acids (SCFA) synthesis reduction leading to a reduction in incretins action and intestinal permeability increase. In this context, bacteria, bacterial endotoxins, and toxic bacterial by-products are translocated to the bloodstream, leading to systemic inflammation. This review focuses on gut microbiota composition and its role in obesity, as well as probiotics and prebiotics benefits in obesity.
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Affiliation(s)
| | - Alexander Manzano
- Endocrine and Metabolic Diseases Research Center, School of Medicine, Universidad del Zulia, Maracaibo 4002, Venezuela
| | - Daniela Pirela
- Endocrine and Metabolic Diseases Research Center, School of Medicine, Universidad del Zulia, Maracaibo 4002, Venezuela
| | - Valmore Bermúdez
- Departamento de Post-Grado, Universidad Católica de Cuenca, Ciudad Cuenca 010109, Ecuador
- Facultad de Ciencias de la Salud, Universidad Simón Bolívar, Barranquilla 080022, Colombia
- Correspondence:
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Ríos-Ríos KL, Rémond C, Dejonghe W, Van Roy S, Vangeel S, Van Hecke W. Production of tailored xylo-oligosaccharides from beechwood xylan by different enzyme membrane reactors and evaluation of their prebiotic activity. Biochem Eng J 2022. [DOI: 10.1016/j.bej.2022.108494] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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11
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Zhang B, Zhong Y, Dong D, Zheng Z, Hu J. Gut microbial utilization of xylan and its implication in gut homeostasis and metabolic response. Carbohydr Polym 2022; 286:119271. [DOI: 10.1016/j.carbpol.2022.119271] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 02/16/2022] [Accepted: 02/16/2022] [Indexed: 12/16/2022]
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Impact of Simulated Human Gastrointestinal Digestion on the Bioactive Fraction of Upcycled Pineapple By-Products. Foods 2022; 11:foods11010126. [PMID: 35010252 PMCID: PMC8750162 DOI: 10.3390/foods11010126] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 12/30/2021] [Accepted: 12/30/2021] [Indexed: 02/01/2023] Open
Abstract
Pineapple by-products (peels and stems) from fruit processing industries were evaluated to understand its potential application as a functional food. Therefore, the bioactive compounds of pineapple by-products were characterized for prebiotic and antioxidant activities. A total characterization of soluble carbohydrates profile (simples and complex carbohydrates), as well as polyphenols was performed, after removal of enzymatic fraction from pineapple crude juice, allowing the decrease of proteolytic activity and improving the other biological activities. Results showed that pineapple liquid fraction, from stem and peels, can be applied as a prebiotic enhancer, promoting the growth of five probiotic microorganisms (two strains of Lactobacillus sp. and three strains of Bifidobacterium sp.), as a single carbohydrate source. Moreover, through HPLC (High Performance Liquid Chromatography) analysis, 10 polyphenols were identified in pineapple liquid fractions, with some expected differences between both evaluated by-products. Gastrointestinal tract was simulated, in a continuous mode to understand the impact of pH changes and gastrointestinal enzymes into pineapple liquid fractions. Results showed a digestion of high molecular weight polysaccharides into small molecular weight tri-, di-, and monosaccharides. There was an increase of samples antioxidant activity through the gastrointestinal stage, followed by the release of specific polyphenols, such as chlorogenic, coumaric, and ferulic acids. The prebiotic activity did not improve throughout the simulation, in fact, the prebiotic potential decreased throughout the different stages.
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KAREENA A, SIRIPONGVUTIKORN S, USAWAKESMANEE W, WICHIENCHOT S. In vitro evaluation of probiotic bacteria and yeast growth, pH changes and metabolites produced in a pure culture system using protein base products with various added carbon sources. FOOD SCIENCE AND TECHNOLOGY 2022. [DOI: 10.1590/fst.18321] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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14
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He HJ, Qiao J, Liu Y, Guo Q, Ou X, Wang X. Isolation, Structural, Functional, and Bioactive Properties of Cereal Arabinoxylan─A Critical Review. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:15437-15457. [PMID: 34842436 DOI: 10.1021/acs.jafc.1c04506] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Arabinoxylans (AXs) are widely distributed in various cereal grains, such as wheat, corn, rye, barley, rice, and oat. The AX molecule contains a linear (1,4)-β-D-xylp backbone substituted by α-L-araf units and occasionally t-xylp and t-glcpA through α-(1,2) and/or α-(1,3) glycosidic linkages. Arabinoxylan shows diversified functional and bioactive properties, influenced by their molecular mass, branching degree, ferulic acid (FA) content, and the substitution position and chain length of the side chains. This Review summarizes the extraction methods for various cereal sources, compares their structural features and functional/bioactive properties, and highlights the established structure-function/bioactivity relationships, intending to explore the potential functions of AXs and their industrial applications.
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Affiliation(s)
- Hong-Ju He
- School of Food Science, Henan Institute of Science and Technology, Xinxiang 453003, China
| | - Jinli Qiao
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Technology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Yan Liu
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Technology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Qingbin Guo
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Technology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Xingqi Ou
- School of Life Science and Technology, Henan Institute of Science and Technology, Xinxiang 453003, China
| | - Xiaochan Wang
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Technology, Tianjin University of Science and Technology, Tianjin 300457, China
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15
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Wang Y, Liu Y, Ivusic Polic I, Chandran Matheyambath A, LaPointe G. Modulation of human gut microbiota composition and metabolites by arabinogalactan and Bifidobacterium longum subsp. longum BB536 in the Simulator of the Human Intestinal Microbial Ecosystem (SHIME®). J Funct Foods 2021. [DOI: 10.1016/j.jff.2021.104820] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
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16
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Abstract
The aim of this review is to provide an overview of the complex interactions between dietary fibre and the resident microbial community in the human gut. The microbiota influences both health maintenance and disease development. In the large intestine, the microbiota plays a crucial role in the degradation of dietary carbohydrates that remain undigested in the upper gut (non-digestible carbohydrates or fibre). Dietary fibre contains a variety of different types of carbohydrates, and its breakdown is facilitated by many different microbial enzymes. Some microbes, termed generalists, are able to degrade a range of different carbohydrates, whereas others are more specialised. Furthermore, the physicochemical characteristics of dietary fibre, such as whether it enters the gut in soluble or insoluble form, also likely influence which microbes can degrade it. A complex nutritional network therefore exists comprising primary degraders able to attack complex fibre and cross feeders that benefit from fibre breakdown intermediates or fermentation products. This leads predominately to the generation of the short-chain fatty acids (SCFA) acetate, propionate and butyrate, which exert various effects on host physiology, including the supply of energy, influencing glucose and lipid metabolism and anti-carcinogenic and anti-inflammatory actions. In order to effectively modulate the gut microbiota through diet, there is a need to better understand the complex competitive and cooperative interactions between gut microbes in dietary fibre breakdown, as well as how gut environmental factors and the physicochemical state of fibre originating from different types of diets influence microbial metabolism and ecology in the gut.
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17
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Lin Y, Olukosi OA. Qualitative and quantitative profiles of jejunal oligosaccharides and cecal short-chain fatty acids in broiler chickens receiving different dietary levels of fiber, protein and exogenous enzymes. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2021; 101:5190-5201. [PMID: 33608932 DOI: 10.1002/jsfa.11165] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 02/12/2021] [Accepted: 02/20/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND Dietary supplemental carbohydrases are able to degrade non-starch polysaccharides and generate oligosaccharides in the gastrointestinal tract. This study was conducted to investigate the influence of dietary fiber and protein levels on growth performance, nutrient utilization, digesta oligosaccharides profile and cecal short-chain fatty acid (SCFA) profile in broilers receiving diets supplemented with xylanase or protease individually or in combination. RESULTS Enzyme supplementation had no effect on growth performance. There was significant (P < 0.05) fiber × protein × xylanase interaction for ileal nitrogen digestibility and significant (P < 0.01) protein × xylanase × protease interaction for nitrogen-corrected apparent metabolizable energy. Birds fed high-fiber diets had higher (P < 0.05) jejunal oligosaccharides and cecal SCFA concentrations. Xylanase and protease combination produced the greatest pentose (Pent) levels in low fiber-adequate protein diets but lowest levels in highfiber-low protein diets. There was significant (P < 0.05) fiber × xylanase × protease interaction explained by the digesta concentrations of (Pent)3 , (Pent)4 and (Pent)5 being greatest (P < 0.5) in protease-only supplemented high-fiber diets but lowest in protease-only supplemented low-fiber diets. CONCLUSION These results suggest that, of all the factors investigated, dietary fiber level had the greatest effect on modulating digesta concentration of oligosaccharides and cecal SCFA. Evidence points to the fact that there is considerable capacity for generating pentose oligosaccharides in the digestive tract of broilers receiving diets rich in fibrous feedstuffs, and that this may have a beneficial effect on microbial profile in the digestive tract. © 2021 Society of Chemical Industry.
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Affiliation(s)
- Yang Lin
- Department of Poultry Science, University of Georgia, Athens, GA, USA
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18
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Sauvaitre T, Etienne-Mesmin L, Sivignon A, Mosoni P, Courtin CM, Van de Wiele T, Blanquet-Diot S. Tripartite relationship between gut microbiota, intestinal mucus and dietary fibers: towards preventive strategies against enteric infections. FEMS Microbiol Rev 2021; 45:5918835. [PMID: 33026073 DOI: 10.1093/femsre/fuaa052] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Accepted: 10/05/2020] [Indexed: 02/06/2023] Open
Abstract
The human gut is inhabited by a large variety of microorganims involved in many physiological processes and collectively referred as to gut microbiota. Disrupted microbiome has been associated with negative health outcomes and especially could promote the onset of enteric infections. To sustain their growth and persistence within the human digestive tract, gut microbes and enteric pathogens rely on two main polysaccharide compartments, namely dietary fibers and mucus carbohydrates. Several evidences suggest that the three-way relationship between gut microbiota, dietary fibers and mucus layer could unravel the capacity of enteric pathogens to colonise the human digestive tract and ultimately lead to infection. The review starts by shedding light on similarities and differences between dietary fibers and mucus carbohydrates structures and functions. Next, we provide an overview of the interactions of these two components with the third partner, namely, the gut microbiota, under health and disease situations. The review will then provide insights into the relevance of using dietary fibers interventions to prevent enteric infections with a focus on gut microbial imbalance and impaired-mucus integrity. Facing the numerous challenges in studying microbiota-pathogen-dietary fiber-mucus interactions, we lastly describe the characteristics and potentialities of currently available in vitro models of the human gut.
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Affiliation(s)
- Thomas Sauvaitre
- Université Clermont Auvergne, UMR 454 INRAe, Microbiology, Digestive Environment and Health (MEDIS), Clermont-Ferrand, France.,Ghent University, Faculty of Bioscience Engineering, Center for Microbial Ecology and Technology (CMET), Ghent, Belgium
| | - Lucie Etienne-Mesmin
- Université Clermont Auvergne, UMR 454 INRAe, Microbiology, Digestive Environment and Health (MEDIS), Clermont-Ferrand, France
| | - Adeline Sivignon
- Université Clermont Auvergne, UMR 1071 Inserm, USC-INRAe 2018, Microbes, Intestin, Inflammation et Susceptibilité de l'Hôte (M2iSH), Clermont-Ferrand, France
| | - Pascale Mosoni
- Université Clermont Auvergne, UMR 454 INRAe, Microbiology, Digestive Environment and Health (MEDIS), Clermont-Ferrand, France
| | - Christophe M Courtin
- KU Leuven, Faculty of Bioscience Engineering, Laboratory of Food Chemistry and Biochemistry & Leuven Food Science and Nutrition Research Centre (LFoRCe), Leuven, Belgium
| | - Tom Van de Wiele
- Ghent University, Faculty of Bioscience Engineering, Center for Microbial Ecology and Technology (CMET), Ghent, Belgium
| | - Stéphanie Blanquet-Diot
- Université Clermont Auvergne, UMR 454 INRAe, Microbiology, Digestive Environment and Health (MEDIS), Clermont-Ferrand, France
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19
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Ruthes AC, Cantu-Jungles TM, Cordeiro LMC, Iacomini M. Prebiotic potential of mushroom d-glucans: implications of physicochemical properties and structural features. Carbohydr Polym 2021; 262:117940. [PMID: 33838817 DOI: 10.1016/j.carbpol.2021.117940] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 03/12/2021] [Accepted: 03/12/2021] [Indexed: 12/26/2022]
Abstract
Mushroom d-glucans are recognized as dietary fibers and as biologically active natural polysaccharides, with the advantages of being quite inexpensive for production, tolerable, and having a range of possible structures and physicochemical properties. The prebiotic potential of mushroom d-glucans has been explored in recent years, but the relationship between their various structural features and activity is poorly understood. This review focuses on comprehensively evaluating the prebiotic potential of mushroom d-glucans in face of their structural variations. Overall, mushroom d-glucans provide a unique set of different structures and physicochemical properties with prebiotic potential, where linkage type and solubility degree seem to be associated with prebiotic activity outcomes. The understanding of the effects of distinct structures and physicochemical properties in mushroom d-glucans on the gut microbiota contributes to the design and selection of new prebiotics in a more predictable way.
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Affiliation(s)
- Andrea Caroline Ruthes
- Agroscope, Research Division, Plant Protection, Phytopathology and Zoology in Fruit and Vegetable Production, Wädenswil, Switzerland
| | - Thaísa Moro Cantu-Jungles
- Whistler Center for Carbohydrate Research and Department of Food Science, Purdue University, West Lafayette, USA
| | - Lucimara M C Cordeiro
- Department of Biochemistry and Molecular Biology, Federal University of Paraná, Curitiba, Paraná, Brazil.
| | - Marcello Iacomini
- Department of Biochemistry and Molecular Biology, Federal University of Paraná, Curitiba, Paraná, Brazil.
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20
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Lynch KM, Strain CR, Johnson C, Patangia D, Stanton C, Koc F, Gil-Martinez J, O'Riordan P, Sahin AW, Ross RP, Arendt EK. Extraction and characterisation of arabinoxylan from brewers spent grain and investigation of microbiome modulation potential. Eur J Nutr 2021; 60:4393-4411. [PMID: 34057578 PMCID: PMC8572209 DOI: 10.1007/s00394-021-02570-8] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 04/19/2021] [Indexed: 12/17/2022]
Abstract
Purpose Brewers’ spent grain (BSG) represents the largest by-product of the brewing industry. Its utilisation as an animal feed has become less practical today; however, its high fibre and protein content make it a promising untapped resource for human nutrition. BSG contains mainly insoluble fibre. This fibre, along with protein, is trapped with the complex lignocellulosic cell structure and must be solubilised to release components which may be beneficial to health through modulation of the gut microbiota. Methods In this study, the application of a simultaneous saccharification and fermentation process for the extraction and solubilisation of arabinoxylan from BSG is demonstrated. Results Processing of the BSG was varied to modulate the physicochemical and molecular characteristic of the released arabinoxylan. The maximum level of arabinoxylan solubilisation achieved was approximately 21%, compared to the unprocessed BSG which contained no soluble arabinoxylan (AX). Concentration of the solubilised material produced a sample containing 99% soluble AX. Samples were investigated for their microbiome modulating capacity in in-vitro faecal fermentation trials. Many samples promoted increased Lactobacillus levels (approx. twofold). One sample that contained the highest level of soluble AX was shown to be bifidogenic, increasing the levels of this genus approx. 3.5-fold as well as acetate (p = 0.018) and propionate (p < 0.001) production. Conclusion The findings indicate that AX extracted from BSG has prebiotic potential. The demonstration that BSG is a source of functional fibre is a promising step towards the application of this brewing side-stream as a functional food ingredient for human nutrition. Supplementary Information The online version contains supplementary material available at 10.1007/s00394-021-02570-8.
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Affiliation(s)
- Kieran M Lynch
- School of Food and Nutritional Sciences, University College Cork, Cork, Ireland
| | - Conall R Strain
- Teagasc Food Research Centre, Fermoy, Co., Cork, Ireland.,APC Microbiome Ireland, University College Cork, Cork, Ireland
| | - Crystal Johnson
- Teagasc Food Research Centre, Fermoy, Co., Cork, Ireland.,APC Microbiome Ireland, University College Cork, Cork, Ireland
| | - Dhrati Patangia
- Teagasc Food Research Centre, Fermoy, Co., Cork, Ireland.,APC Microbiome Ireland, University College Cork, Cork, Ireland
| | - Catherine Stanton
- Teagasc Food Research Centre, Fermoy, Co., Cork, Ireland.,APC Microbiome Ireland, University College Cork, Cork, Ireland
| | - Fatma Koc
- Teagasc Food Research Centre, Fermoy, Co., Cork, Ireland.,APC Microbiome Ireland, University College Cork, Cork, Ireland
| | - Jorge Gil-Martinez
- Global Innovation and Technology Centre, Anheuser-Busch InBev nv/sa, Brouwerijplein 1, 3000, Leuven, Belgium
| | - Patrick O'Riordan
- Global Innovation and Technology Centre, Anheuser-Busch InBev nv/sa, Brouwerijplein 1, 3000, Leuven, Belgium
| | - Aylin W Sahin
- School of Food and Nutritional Sciences, University College Cork, Cork, Ireland
| | - R Paul Ross
- APC Microbiome Ireland, University College Cork, Cork, Ireland
| | - Elke K Arendt
- School of Food and Nutritional Sciences, University College Cork, Cork, Ireland. .,APC Microbiome Ireland, University College Cork, Cork, Ireland.
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21
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Fuso A, Risso D, Rosso G, Rosso F, Manini F, Manera I, Caligiani A. Potential Valorization of Hazelnut Shells through Extraction, Purification and Structural Characterization of Prebiotic Compounds: A Critical Review. Foods 2021; 10:1197. [PMID: 34073196 PMCID: PMC8229101 DOI: 10.3390/foods10061197] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 05/05/2021] [Accepted: 05/22/2021] [Indexed: 11/24/2022] Open
Abstract
Hazelnuts are one of the most widely consumed nuts, but their production creates large quantities of by-products, especially shells, that could be upcycled into much more valuable products. Recent studies have shown that hazelnut shell hemicellulose is particularly rich in compounds that are potential precursors of xylooligosaccharides and arabino-xylooligosaccharides ((A)XOS), previously defined as emerging prebiotics very beneficial for human health. The production of these compounds on an industrial scale-up could have big consequences on the functional foods market. However, to produce (A)XOS from a lignocellulosic biomass, such as hazelnut shell, is not easy. Many methods for the extraction and the purification of these prebiotics have been developed, but they all have different efficiencies and consequences, including on the chemical structure of the obtained (A)XOS. The latter, in turn, is strongly correlated to the nutritional effects they have on health, which is why the optimization of the structural characterization process is also necessary. Therefore, this review aims to summarize the progress made by research in this field, so as to contribute to the exploitation of hazelnut waste streams through a circular economy approach, increasing the value of this biomass through the production of new functional ingredients.
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Affiliation(s)
- Andrea Fuso
- Food and Drug Department, University of Parma, Via Parco Area delle Scienze 17/A, 43124 Parma, Italy;
| | - Davide Risso
- Soremartec Italia Srl, Ferrero Group, 12051 Alba, Italy; (D.R.); (G.R.); (F.R.); (F.M.); (I.M.)
| | - Ginevra Rosso
- Soremartec Italia Srl, Ferrero Group, 12051 Alba, Italy; (D.R.); (G.R.); (F.R.); (F.M.); (I.M.)
| | - Franco Rosso
- Soremartec Italia Srl, Ferrero Group, 12051 Alba, Italy; (D.R.); (G.R.); (F.R.); (F.M.); (I.M.)
| | - Federica Manini
- Soremartec Italia Srl, Ferrero Group, 12051 Alba, Italy; (D.R.); (G.R.); (F.R.); (F.M.); (I.M.)
| | - Ileana Manera
- Soremartec Italia Srl, Ferrero Group, 12051 Alba, Italy; (D.R.); (G.R.); (F.R.); (F.M.); (I.M.)
| | - Augusta Caligiani
- Food and Drug Department, University of Parma, Via Parco Area delle Scienze 17/A, 43124 Parma, Italy;
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22
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Guo H, Wu H, Sajid A, Li Z. Whole grain cereals: the potential roles of functional components in human health. Crit Rev Food Sci Nutr 2021; 62:8388-8402. [PMID: 34014123 DOI: 10.1080/10408398.2021.1928596] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Whole grain cereals have been the basis of human diet since ancient times. Due to rich in a variety of unique bioactive ingredients, they play an important role in human health. This review highlights the contents and distribution of primary functional components and their health effects in commonly consumed whole grain cereals, especially dietary fiber, protein, polyphenols, and alkaloids. In general, cereals exert positive effects in the following ways: 1) Restoring intestinal flora diversity and increasing intestinal short-chain fatty acids. 2) Regulating plasma glucose and lipid metabolism, thereby the improvement of obesity, cardiovascular and cerebrovascular diseases, diabetes, and other chronic metabolic diseases. 3) Exhibiting antioxidant activity by scavenging free radicals. 4) Preventing gastrointestinal cancer via the regulation of classical signaling pathways. In summary, this review provides a scientific basis for the formulation of whole-grain cereals-related dietary guidelines, and guides people to form scientific dietary habits, so as to promote the development and utilization of whole-grain cereals.
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Affiliation(s)
- Huiqin Guo
- Institute of Biotechnology, The Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, Taiyuan, PR China
| | - Haili Wu
- College of Life Science, Shanxi University, Taiyuan, PR China
| | - Amin Sajid
- Institute of Biotechnology, The Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, Taiyuan, PR China
| | - Zhuoyu Li
- Institute of Biotechnology, The Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, Taiyuan, PR China;,College of Life Science, Shanxi University, Taiyuan, PR China
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23
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De Brier N, Lemmens E, Gomand SV, Verbeke K, Delcour JA. Premilling pearling for producing wheat fractions with distinct digestibility and fermentability. Cereal Chem 2021. [DOI: 10.1002/cche.10419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Niels De Brier
- Laboratory of Food Chemistry and Biochemistry and Leuven Food Science and Nutrition Research Centre (LFoRCe) KU Leuven Leuven Belgium
| | - Elien Lemmens
- Laboratory of Food Chemistry and Biochemistry and Leuven Food Science and Nutrition Research Centre (LFoRCe) KU Leuven Leuven Belgium
| | - Sara V. Gomand
- Laboratory of Food Chemistry and Biochemistry and Leuven Food Science and Nutrition Research Centre (LFoRCe) KU Leuven Leuven Belgium
| | - Kristin Verbeke
- Translational Research Center for Gastrointestinal Disorders (TARGID) KU Leuven Leuven Belgium
| | - Jan A. Delcour
- Laboratory of Food Chemistry and Biochemistry and Leuven Food Science and Nutrition Research Centre (LFoRCe) KU Leuven Leuven Belgium
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24
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Song X, Wang Y, Guan R, Ma N, Yin L, Zhong M, Wang T, Shi L, Geng Y. Effects of pine pollen wall on gut microbiota and biomarkers in mice with dyslipidemia. Phytother Res 2021; 35:2057-2073. [PMID: 33210367 DOI: 10.1002/ptr.6952] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 10/02/2020] [Accepted: 11/03/2020] [Indexed: 01/08/2023]
Abstract
Pinus yunnanensis pollen is rich in various physiological functions. However, whether the pine pollen wall (PW) plays a beneficial role in the body has not been studied. In this work, we have analyzed its effects on the metabolism and gut microbiota of mouse models of dyslipidemia. We found that the intake of pine PW prevents the liver pathologic changes and reduce the concentrations of TNF-α, IL-6, TC, and high-density lipoprotein cholesterol. Moreover, it can regulate bile acid and fat metabolism, SCFAs content, and the structure of the gut microbiota. According to the change of carbohydrate metabolites, we speculated that cellulose should be the main component to play the above beneficial role, and sporopollenin cannot be utilized in the intestine. Therefore, we consider this study of great significance as it gives a description of biological effects of the pine PW and paves the road to its use in health products.
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Affiliation(s)
- Xiao Song
- Key Laboratory of Food Nutrition and Safety of SDNU, Provincial Key Laboratory of Animal Resistant Biology, College of Life Science, Shandong Normal University, Jinan, China
| | - Yali Wang
- Key Laboratory of Food Nutrition and Safety of SDNU, Provincial Key Laboratory of Animal Resistant Biology, College of Life Science, Shandong Normal University, Jinan, China
| | - Rui Guan
- Key Laboratory of Food Nutrition and Safety of SDNU, Provincial Key Laboratory of Animal Resistant Biology, College of Life Science, Shandong Normal University, Jinan, China
| | - Ning Ma
- Key Laboratory of Food Nutrition and Safety of SDNU, Provincial Key Laboratory of Animal Resistant Biology, College of Life Science, Shandong Normal University, Jinan, China
| | - Lei Yin
- Research and Development Center, Yantai New Era Health Industry Co., Ltd., Yantai, China
| | - Micun Zhong
- Research and Development Center, Yantai New Era Health Industry Co., Ltd., Yantai, China
| | - Tong Wang
- Research and Development Center, Yantai New Era Health Industry Co., Ltd., Yantai, China
| | - Lihua Shi
- Research and Development Center, Yantai New Era Health Industry Co., Ltd., Yantai, China
| | - Yue Geng
- Key Laboratory of Food Nutrition and Safety of SDNU, Provincial Key Laboratory of Animal Resistant Biology, College of Life Science, Shandong Normal University, Jinan, China
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25
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Yao Y, Cai X, Fei W, Ye Y, Zhao M, Zheng C. The role of short-chain fatty acids in immunity, inflammation and metabolism. Crit Rev Food Sci Nutr 2020; 62:1-12. [PMID: 33261516 DOI: 10.1080/10408398.2020.1854675] [Citation(s) in RCA: 215] [Impact Index Per Article: 53.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Short-chain fatty acids (SCFAs) are carboxylic acids with carbon atom numbers less than 6, which are important metabolites of gut microbiome. Existing research shows that SCFAs play a vital role in the health and disease of the host. First, SCFAs are the key energy source for colon and ileum cells, and affect the intestinal epithelial barrier and defense functions by regulating related gene expression. Second, SCFAs regulate the function of innate immune cells to participate in the immune system, such as macrophages, neutrophils and dendritic cells. Third, SCFAs can also regulate the differentiation of T cells and B cells and the antigen-specific adaptive immunity mediated by them. Besides, SCFAs are raw materials for sugar and lipid synthesis, which provides a theoretical basis for studying the potential role of SCFAs in regulating energy homeostasis and metabolism. There are also studies showing that SCFAs inhibit tumor cell proliferation and promote apoptosis. In this article, we summarized in detail the role of SCFAs in immunity, inflammation and metabolism, and briefly introduced the role of SCFAs in tumor cell survival. It provides a systematic theoretical basis for the study of SCFAs as potential drugs to promote human health.
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Affiliation(s)
- Yao Yao
- Department of Pharmacy, Women's Hospital School of Medicine Zhejiang University, Hangzhou, China
| | - Xiaoyu Cai
- Department of Pharmacy, Hangzhou First People's Hospital, Hangzhou, China
| | - Weidong Fei
- Department of Pharmacy, Women's Hospital School of Medicine Zhejiang University, Hangzhou, China
| | - Yiqing Ye
- Department of Pharmacy, Women's Hospital School of Medicine Zhejiang University, Hangzhou, China
| | - Mengdan Zhao
- Department of Pharmacy, Women's Hospital School of Medicine Zhejiang University, Hangzhou, China
| | - Caihong Zheng
- Department of Pharmacy, Women's Hospital School of Medicine Zhejiang University, Hangzhou, China
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26
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Tian T, Zhao Y, Yang Y, Wang T, Jin S, Guo J, Liu Z. The protective role of short-chain fatty acids acting as signal molecules in chemotherapy- or radiation-induced intestinal inflammation. Am J Cancer Res 2020; 10:3508-3531. [PMID: 33294252 PMCID: PMC7716145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2020] [Accepted: 10/13/2020] [Indexed: 06/12/2023] Open
Abstract
A compelling set of links between chemotherapy- or radiation-induced intestinal inflammation and microbial dysbiosis has emerged. It is the proportional imbalance between pathogenic and beneficial bacteria that aggravates intestinal mucositis. Bacteria that ferment fibers and produce short-chain fatty acids (SCFAs), (such as acetate, propionate, and butyrate) are typically reduced in the mucosa and feces of patients undergoing cancer therapy. In contrast, increasing lipopolysaccharide-producing bacteria result in proinflammatory events by interacting with Toll-like receptors. A collective acceptance is that bacterial metabolites are critical in recovering intestinal homeostasis. We herein review evidence supporting the positive roles carried out by SCFAs. SCFAs, acting as signaling molecules, directly activate G-coupled-receptors and inhibit histone deacetylases. Thus, SCFAs are able to strengthen the gut barrier and regulate immunomodulatory functions. Furthermore, it is possible to reverse intestinal microbial dysbiosis and subsequently suppress the secretion of proinflammatory cytokines by directly applying SCFA-producing bacteria. In addition, anticancer effects of SCFAs have proved in the colorectal cancer. In this review, we discuss microbial dysbiosis and its impact on chemotherapy- or radiation-induced intestinal mucositis. Moreover, we summarize the mechanisms of SCFA production and its effects on intestinal mucositis. This review suggests the therapeutic potential of SCFAs for the management of chemotherapy- or radiation-induced intestinal inflammation.
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Affiliation(s)
- Tian Tian
- Department of Radiation Oncology, The Second Affiliated Hospital of Jilin UniversityChangchun 130041, China
| | - Yangzhi Zhao
- Department of Hematology, The First Hospital of Jilin UniversityChangchun 130021, China
| | - Yi Yang
- Department of Radiation Oncology, The Second Affiliated Hospital of Jilin UniversityChangchun 130041, China
| | - Tiejun Wang
- Department of Radiation Oncology, The Second Affiliated Hospital of Jilin UniversityChangchun 130041, China
| | - Shunzi Jin
- NHC Key Laboratory of Radiobiology, Jilin UniversityChangchun 130021, China
| | - Jie Guo
- Department of Radiation Oncology, The Second Affiliated Hospital of Jilin UniversityChangchun 130041, China
| | - Zhongshan Liu
- Department of Radiation Oncology, The Second Affiliated Hospital of Jilin UniversityChangchun 130041, China
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Apolinar-Valiente R, Williams P, Doco T. Recent advances in the knowledge of wine oligosaccharides. Food Chem 2020; 342:128330. [PMID: 33067045 DOI: 10.1016/j.foodchem.2020.128330] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 10/05/2020] [Accepted: 10/05/2020] [Indexed: 12/01/2022]
Abstract
Oligosaccharides are carbohydrates with a low polymerization degree containing between three and fifteen monosaccharide residues covalently linked through glycosidic bonds. Oligosaccharides are related to plant defense responses and possess beneficial attributes for human health. Research has focused in wine oligosaccharides only in the last decade. In this paper, a summary of these works is provided. They include: (i) wine oligosaccharides origins, (ii) techniques for isolating oligosaccharide fraction and determining their content, composition and structure, (iii) their dependence on the grape origin and cultivar and winemaking process, and (iv) the connection between oligosaccharides and wine sensorial attributes. Further research is required regarding the impact of agricultural aspects and winemaking techniques on wine oligosaccharides. The knowledge concerning their influence on sensorial and physicochemical properties of wines and on human health should also be improved. The implementation of laboratory methods will provide better understanding of these compounds and their performance within wine's matrix.
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Affiliation(s)
- Rafael Apolinar-Valiente
- INRAE, Supagro, UM, Joint Research Unit 1083, Sciences for Enology, Biomolecules of Interest in Oenology (B.I.O.) Research Team, 2 Place Pierre Viala, F-34060 Montpellier, France.
| | - Pascale Williams
- INRAE, Supagro, UM, Joint Research Unit 1083, Sciences for Enology, Biomolecules of Interest in Oenology (B.I.O.) Research Team, 2 Place Pierre Viala, F-34060 Montpellier, France.
| | - Thierry Doco
- INRAE, Supagro, UM, Joint Research Unit 1083, Sciences for Enology, Biomolecules of Interest in Oenology (B.I.O.) Research Team, 2 Place Pierre Viala, F-34060 Montpellier, France.
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Chung WSF, Walker AW, Bosscher D, Garcia-Campayo V, Wagner J, Parkhill J, Duncan SH, Flint HJ. Relative abundance of the Prevotella genus within the human gut microbiota of elderly volunteers determines the inter-individual responses to dietary supplementation with wheat bran arabinoxylan-oligosaccharides. BMC Microbiol 2020; 20:283. [PMID: 32928123 PMCID: PMC7490872 DOI: 10.1186/s12866-020-01968-4] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Accepted: 09/06/2020] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND The human colon is colonised by a dense microbial community whose species composition and metabolism are linked to health and disease. The main energy sources for colonic bacteria are dietary polysaccharides and oligosaccharides. These play a major role in modulating gut microbial composition and metabolism, which in turn can impact on health outcomes. RESULTS We investigated the influence of wheat bran arabinoxylan oligosaccharides (AXOS) and maltodextrin supplements in modulating the composition of the colonic microbiota and metabolites in healthy adults over the age of 60. Male and female volunteers, (n = 21, mean BMI 25.2 ± 0.7 kg/m2) participated in the double-blind, cross over supplement study. Faecal samples were collected for analysis of microbiota, short chain fatty acids levels and calprotectin. Blood samples were collected to measure glucose, cholesterol and triglycerides levels. There was no change in these markers nor in calprotectin levels in response to the supplements. Both supplements were well-tolerated by the volunteers. Microbiota analysis across the whole volunteer cohort revealed a significant increase in the proportional abundance of faecal Bifidobacterium species (P ≤ 0.01) in response to AXOS, but not maltodextrin, supplementation. There was considerable inter-individual variation in the other bacterial taxa that responded, with a clear stratification of volunteers as either Prevotella-plus (n = 8; > 0.1% proportional abundance) or Prevotella-minus (n = 13; ≤0.1% proportional abundance) subjects founded on baseline sample profiles. There was a significant increase in the proportional abundance of both faecal Bifidobacterium (P ≤ 0.01) and Prevotella species (P ≤ 0.01) in Prevotella-plus volunteers during AXOS supplementation, while Prevotella and Bacteroides relative abundances showed an inverse relationship. Proportional abundance of 26 OTUs, including bifidobacteria and Anaerostipes hadrus, differed significantly between baseline samples of Prevotella-plus compared to Prevotella-minus individuals. CONCLUSIONS The wheat bran AXOS supplementation was bifidogenic and resulted in changes in human gut microbiota composition that depended on the initial microbiota profile, specifically the presence or absence of Prevotella spp. as a major component of the microbiota. Our data therefore suggest that initial profiling of individuals through gut microbiota analysis should be considered important when contemplating nutritional interventions that rely on prebiotics. TRIAL REGISTRATION Clinical trial registration number: NCT02693782 . Registered 29 February 2016 - Retrospectively registered, https://clinicaltrials.gov/ct2/show/NCT02693782?term=NCT02693782&rank=1.
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Affiliation(s)
- Wing Sun Faith Chung
- Gut Health Group, Rowett Institute, University of Aberdeen, Foresterhill, Aberdeen, Scotland AB25 2ZD UK
| | - Alan W. Walker
- Gut Health Group, Rowett Institute, University of Aberdeen, Foresterhill, Aberdeen, Scotland AB25 2ZD UK
| | - Douwina Bosscher
- Cargill R&D Centre Europe BVBA, Havenstraat 84, B-1800 Vilvoorde, Belgium
| | | | - Josef Wagner
- Pathogen Genomics Group, Wellcome Sanger Institute, Hinxton, Cambridgeshire, CB10 1SA UK
| | - Julian Parkhill
- Department of Veterinary Medicine, University of Cambridge, Madingley Road, Cambridge, CB3 0ES UK
| | - Sylvia H. Duncan
- Gut Health Group, Rowett Institute, University of Aberdeen, Foresterhill, Aberdeen, Scotland AB25 2ZD UK
| | - Harry J. Flint
- Gut Health Group, Rowett Institute, University of Aberdeen, Foresterhill, Aberdeen, Scotland AB25 2ZD UK
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Patel P, Malipatlolla DK, Devarakonda S, Bull C, Rascón A, Nyman M, Stringer A, Tremaroli V, Steineck G, Sjöberg F. Dietary Oat Bran Reduces Systemic Inflammation in Mice Subjected to Pelvic Irradiation. Nutrients 2020; 12:nu12082172. [PMID: 32707913 PMCID: PMC7468988 DOI: 10.3390/nu12082172] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2020] [Revised: 07/10/2020] [Accepted: 07/18/2020] [Indexed: 12/14/2022] Open
Abstract
Patients undergoing radiotherapy to treat pelvic-organ cancer are commonly advised to follow a restricted fiber diet. However, reducing dietary fiber may promote gastrointestinal inflammation, eventually leading to deteriorated intestinal health. The goal of this study was to evaluate the influence of dietary fiber on radiation-induced inflammation. C57BL/6J male mice were fed a High-oat bran diet (15% fiber) or a No-fiber diet (0% fiber) and were either irradiated (32 Gy delivered in four fractions) to the colorectal region or only sedated (controls). The dietary intervention started at 2 weeks before irradiation and lasted for 1, 6, and 18 weeks after irradiation, at which time points mice were sacrificed and their serum samples were assayed for 23 cytokines and chemokines. Our analyses show that irradiation increased the serum cytokine levels at all the time points analyzed. The No-fiber irradiated mice had significantly higher levels of pro-inflammatory cytokines than the High-oat irradiated mice at all time points. The results indicate that a fiber-rich oat bran diet reduces the intensity of radiation-induced inflammation, both at an early and late stage. Based on the results, it seems that the advice to follow a low-fiber diet during radiotherapy may increase the risk of decreased intestinal health in cancer survivors.
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Affiliation(s)
- Piyush Patel
- Division of Clinical Cancer Epidemiology, Department of Oncology, Institute of Clinical Sciences, The Sahlgrenska Academy, University of Gothenburg, 41345 Gothenburg, Sweden; (D.K.M.); (S.D.); (C.B.); (G.S.); (F.S.)
- Department of Infectious Diseases, Institute of Biomedicine, the Sahlgrenska Academy, University of Gothenburg, 41346 Gothenburg, Sweden
- Correspondence:
| | - Dilip Kumar Malipatlolla
- Division of Clinical Cancer Epidemiology, Department of Oncology, Institute of Clinical Sciences, The Sahlgrenska Academy, University of Gothenburg, 41345 Gothenburg, Sweden; (D.K.M.); (S.D.); (C.B.); (G.S.); (F.S.)
| | - Sravani Devarakonda
- Division of Clinical Cancer Epidemiology, Department of Oncology, Institute of Clinical Sciences, The Sahlgrenska Academy, University of Gothenburg, 41345 Gothenburg, Sweden; (D.K.M.); (S.D.); (C.B.); (G.S.); (F.S.)
| | - Cecilia Bull
- Division of Clinical Cancer Epidemiology, Department of Oncology, Institute of Clinical Sciences, The Sahlgrenska Academy, University of Gothenburg, 41345 Gothenburg, Sweden; (D.K.M.); (S.D.); (C.B.); (G.S.); (F.S.)
| | - Ana Rascón
- Department of Food Technology, Engineering and Nutrition, Lund University, 22100 Lund, Sweden; (A.R.); (M.N.)
| | - Margareta Nyman
- Department of Food Technology, Engineering and Nutrition, Lund University, 22100 Lund, Sweden; (A.R.); (M.N.)
| | - Andrea Stringer
- School of Pharmacy and Medical Sciences, University of South Australia, Adelaide SA 5001, Australia;
| | - Valentina Tremaroli
- The Wallenberg Laboratory, Department of Molecular and Clinical Medicine, the Sahlgrenska Academy, University of Gothenburg, 413 45 Gothenburg, Sweden;
| | - Gunnar Steineck
- Division of Clinical Cancer Epidemiology, Department of Oncology, Institute of Clinical Sciences, The Sahlgrenska Academy, University of Gothenburg, 41345 Gothenburg, Sweden; (D.K.M.); (S.D.); (C.B.); (G.S.); (F.S.)
| | - Fei Sjöberg
- Division of Clinical Cancer Epidemiology, Department of Oncology, Institute of Clinical Sciences, The Sahlgrenska Academy, University of Gothenburg, 41345 Gothenburg, Sweden; (D.K.M.); (S.D.); (C.B.); (G.S.); (F.S.)
- Department of Infectious Diseases, Institute of Biomedicine, the Sahlgrenska Academy, University of Gothenburg, 41346 Gothenburg, Sweden
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30
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Lin B, Liu Y, Zhang W, Zou W. Role of diet on intestinal metabolites and appetite control factors in SD rats. Exp Ther Med 2020; 20:2665-2674. [PMID: 32765760 PMCID: PMC7401913 DOI: 10.3892/etm.2020.8993] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Accepted: 05/31/2019] [Indexed: 12/17/2022] Open
Abstract
The present study aimed to investigate changes in the levels of metabolites and appetite control factors caused by different dietary interventions in Sprague Dawley (SD) rats. A total of 35 male SD rats were weaned and immediately randomly assigned to five groups. The control group was given ad libitum access to a normal chow diet, and the other groups received a high-fat diet (FAT group), high-sugar diet, high-fibre or high-protein diet (PRO group) for 4 weeks. The high-fat diet contributed to weight gain and adipose tissue formation, and affected lipid indexed. The FAT group had a higher body weight, Lee's index, adipose mass and glucose tolerance than all of the other groups. The opposite effect was observed in the PRO group. High-performance liquid chromatography revealed that short-chain fatty acid and amino acid formation were affected by the various diets. In addition, differences in the mRNA expression levels of leptin, ghrelin and associated receptors were determined in the gastrointestinal, adipose and hypothalamus tissues. The present study provides further evidence of the role of diet in obesity development and prevention. It also highlights the role of intestinal metabolites and appetite control factor expression in the pathogenesis of obesity in SD rats.
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Affiliation(s)
- Bo Lin
- Department of Nephrology, Zhejiang Provincial People's Hospital, Hangzhou, 310014, P.R. China
| | - Yueming Liu
- Department of Nephrology, Zhejiang Provincial People's Hospital, Hangzhou, 310014, P.R. China
| | - Wei Zhang
- Department of Nephrology, Zhejiang Provincial People's Hospital, Hangzhou, 310014, P.R. China
| | - Wenli Zou
- Department of Nephrology, Zhejiang Provincial People's Hospital, Hangzhou, 310014, P.R. China.,Department of Nephrology, People's Hospital of Hangzhou Medical College, Hangzhou, Zhejiang 310014, P.R. China
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31
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Effect of Gluten-Free Diet on Gut Microbiota Composition in Patients with Celiac Disease and Non-Celiac Gluten/Wheat Sensitivity. Nutrients 2020; 12:nu12061832. [PMID: 32575561 PMCID: PMC7353361 DOI: 10.3390/nu12061832] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 06/16/2020] [Accepted: 06/17/2020] [Indexed: 02/07/2023] Open
Abstract
Celiac disease (CD) and non-celiac gluten/wheat sensitivity (NCG/WS) are the two most frequent conditions belonging to gluten-related disorders (GRDs). Both these diseases are triggered and worsened by gluten proteins ingestion, although other components, such as amylase/trypsin inhibitors (ATI) and fermentable oligosaccharides, disaccharides, monosaccharides and polyols (FODMAPs), seem to be involved in the NCG/WS onset. Therefore, the only effective treatment to date is the long-life adherence to a strictly gluten-free diet. Recently, increasing attention has been paid to the intestinal barrier, a dynamic system comprising various components, which regulate the delicate crosstalk between metabolic, motor, neuroendocrine and immunological functions. Among the elements characterizing the intestinal barrier, the microbiota plays a key role, modulating the gut integrity maintenance, the immune response and the inflammation process, linked to the CD and NCG/WS outbreak. This narrative review addresses the most recent findings on the gut microbiota modulation induced by the gluten-free diet (GFD) in healthy, CD and NCG/WS patients.
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32
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Utilization of xylan-type polysaccharides in co-culture fermentations of Bifidobacterium and Bacteroides species. Carbohydr Polym 2020; 236:116076. [DOI: 10.1016/j.carbpol.2020.116076] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 02/25/2020] [Accepted: 02/25/2020] [Indexed: 12/16/2022]
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33
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Campos DA, Coscueta ER, Vilas-Boas AA, Silva S, Teixeira JA, Pastrana LM, Pintado MM. Impact of functional flours from pineapple by-products on human intestinal microbiota. J Funct Foods 2020. [DOI: 10.1016/j.jff.2020.103830] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
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34
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De Angelis M, Garruti G, Minervini F, Bonfrate L, Portincasa P, Gobbetti M. The Food-gut Human Axis: The Effects of Diet on Gut Microbiota and Metabolome. Curr Med Chem 2019; 26:3567-3583. [PMID: 28462705 DOI: 10.2174/0929867324666170428103848] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2016] [Revised: 03/15/2017] [Accepted: 03/15/2017] [Indexed: 02/08/2023]
Abstract
Gut microbiota, the largest symbiont community hosted in human organism, is emerging as a pivotal player in the relationship between dietary habits and health. Oral and, especially, intestinal microbes metabolize dietary components, affecting human health by producing harmful or beneficial metabolites, which are involved in the incidence and progression of several intestinal related and non-related diseases. Habitual diet (Western, Agrarian and Mediterranean omnivore diets, vegetarian, vegan and gluten-free diets) drives the composition of the gut microbiota and metabolome. Within the dietary components, polymers (mainly fibers, proteins, fat and polyphenols) that are not hydrolyzed by human enzymes seem to be the main leads of the metabolic pathways of gut microbiota, which in turn directly influence the human metabolome. Specific relationships between diet and microbes, microbes and metabolites, microbes and immune functions and microbes and/or their metabolites and some human diseases are being established. Dietary treatments with fibers are the most effective to benefit the metabolome profile, by improving the synthesis of short chain fatty acids and decreasing the level of molecules, such as p-cresyl sulfate, indoxyl sulfate and trimethylamine N-oxide, involved in disease state. Based on the axis diet-microbiota-health, this review aims at describing the most recent knowledge oriented towards a profitable use of diet to provide benefits to human health, both directly and indirectly, through the activity of gut microbiota.
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Affiliation(s)
- Maria De Angelis
- Department of Soil, Plant and Food Science, University of Bari Aldo Moro, Bari, Italy
| | - Gabriella Garruti
- Department of Emergency and Organ Transplants, Section of Endocrinology, Andrology and Metabolic Diseases, University of Bari Medical School, Bari, Italy
| | - Fabio Minervini
- Department of Soil, Plant and Food Science, University of Bari Aldo Moro, Bari, Italy
| | - Leonilde Bonfrate
- Department of Soil, Plant and Food Science, University of Bari Aldo Moro, Bari, Italy.,Clinica Medica "A. Murri", Department of Biomedical Sciences and Human Oncology, University of Bari Medical School, Bari, Italy
| | - Piero Portincasa
- Clinica Medica "A. Murri", Department of Biomedical Sciences and Human Oncology, University of Bari Medical School, Bari, Italy
| | - Marco Gobbetti
- Faculty of Science and Technology, Free University of Bozen, Bolzano, Italy
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35
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Tingirikari JMR. In-Vitro Prebiotic Analysis of Microbiota Accessible Pectic Polysaccharides. Curr Microbiol 2019; 76:1452-1460. [DOI: 10.1007/s00284-019-01781-x] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Accepted: 09/24/2019] [Indexed: 02/07/2023]
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36
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Gong L, Wang H, Wang T, Liu Y, Wang J, Sun B. Feruloylated oligosaccharides modulate the gut microbiota in vitro via the combined actions of oligosaccharides and ferulic acid. J Funct Foods 2019. [DOI: 10.1016/j.jff.2019.103453] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
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37
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Carvalho DV, Silva LMA, Alves Filho EG, Santos FA, Lima RPD, Viana AFSC, Nunes PIG, Fonseca SGDC, Melo TSD, Viana DDA, Gallão MI, Brito ESD. Cashew apple fiber prevents high fat diet-induced obesity in mice: an NMR metabolomic evaluation. Food Funct 2019; 10:1671-1683. [PMID: 30839972 DOI: 10.1039/c8fo01575a] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Dietary fiber intake plays an important role in the prevention of obesity. This study aimed at investigating the effect of cashew fiber without low molecular weight compounds (CABwc) on obesity prevention and metabolomics in a murine model of diet-induced obesity. Mice were fed a chow diet (CD), a high-fat diet (HFD) or a high-fat diet supplemented with CABwc (10%) (HFD-CABwc) for 15 weeks. The body weight, abdominal fat, serum glucose levels, insulin and lipid profiles, satiety hormones such as leptin and ghrelin, digestive enzymes such as amylase and lipase, and inflammatory mediators such as TNF-α, IL-6, and adiponectin were measured, in addition to performing serum and hepatic tissue analyses. The metabolomic analysis was based on nuclear magnetic resonance (NMR) spectroscopy of serum and feces. The effects observed with ingestion of CABwc were appetite control and prevention of hyperglycemia, hyperinsulinemia and hypertriglyceridemia, as well as the prevention of the inflammatory process and reduction of liver injury caused by the HFD. In addition, NMR evidenced the presence of SCFAs in serum and feces of mice fed with HFD-CABwc. These findings suggest that CABwc promoted satiety in mice, improving the metabolism of glucose and lipids. Positive effects of obesity prevention may be associated with SCFA production.
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38
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Saleh AA, Kirrella AA, Abdo SE, Mousa MM, Badwi NA, Ebeid TA, Nada AL, Mohamed MA. Effects of Dietary Xylanase and Arabinofuranosidase Combination on the Growth Performance, Lipid Peroxidation, Blood Constituents, and Immune Response of Broilers Fed Low-Energy Diets. Animals (Basel) 2019; 9:E467. [PMID: 31336620 PMCID: PMC6680578 DOI: 10.3390/ani9070467] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2019] [Revised: 07/10/2019] [Accepted: 07/14/2019] [Indexed: 01/26/2023] Open
Abstract
The present study was conducted to examine that impact of dietary xylanase (Xyl) and arabinofuranosidase (Abf) supplementation on the performance, protein and fat digestibility, the lipid peroxidation, the plasma biochemical traits, and the immune response of broilers. A total of 480, un-sexed, and one-day-old broilers (Ross 308) were randomly divided into three treatments with eight replicates, where chicks in the first treatment were fed basal diets and served as the control, chicks in the second treatment were fed diets formulated with reductions of 90 kcal/kg, and chicks in the third treatment were fed the same formulated diets used in the second group as well as the Xyl and Abf combination (Rovabio® Advance). Feed intake was decreased by the low energy diet, leading to an enhancement in feed efficiency enzyme supplementation in the low energy diet (p < 0.015). Both protein and fat digestibility were improved (p < 0.047) due to enzyme supplementation. Moreover, enzyme supplementation increased muscle total lipids content and decreased muscle thiobarbituric acid retroactive substance content. Furthermore, diets supplemented with Xyl and Abf exhibited an increase in antibody titers against the Newcastle disease virus (p < 0.026). In addition, enzyme supplementation increased gene expression related to growth and gene expression related to fatty acid synthesis. It could be concluded that dietary Xyl and Abf supplementation had beneficial impacts on growth, nutrient digestibility, lipid peroxidation, immune response, and gene expressions related to growth and fatty acid synthesis in broiler chickens fed low-energy diets.
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Affiliation(s)
- Ahmed A Saleh
- Department of Poultry Production, Faculty of Agriculture, Kafrelsheikh University, Kafr El-Sheikh 333516, Egypt.
| | - Abeer A Kirrella
- Department of Poultry Production, Faculty of Agriculture, Kafrelsheikh University, Kafr El-Sheikh 333516, Egypt
| | - Safaa E Abdo
- Department of Animal Wealth Development, Faculty of Veterinary Medicine, Kafrelsheikh University, Kafr El-Sheikh 333516, Egypt
| | - Mahmoud M Mousa
- Department of Poultry Production, Faculty of Agriculture, Kafrelsheikh University, Kafr El-Sheikh 333516, Egypt
| | - Nemat A Badwi
- Department of Poultry Production, Faculty of Agriculture, Kafrelsheikh University, Kafr El-Sheikh 333516, Egypt
| | - Tarek A Ebeid
- Department of Poultry Production, Faculty of Agriculture, Kafrelsheikh University, Kafr El-Sheikh 333516, Egypt
- Department of Animal Production and Breeding, College of Agriculture and Veterinary Medicine, Qassim University, Buraydah 51452, Saudi Arabia
| | - Ahmed L Nada
- Department of Poultry Production, Faculty of Agriculture, Kafrelsheikh University, Kafr El-Sheikh 333516, Egypt
- Orkila Egypt Chemicals SAE, 12 Al-Badeya Street, El Merghany Heliopolis, Cairo 11757, Egypt
| | - Mahmoud A Mohamed
- Adisseo France SAS 10 Place du Général de Gaulle, Antony, 92160 Paris, France
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39
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Ma Q, Li Y, Li P, Wang M, Wang J, Tang Z, Wang T, Luo L, Wang C, Wang T, Zhao B. Research progress in the relationship between type 2 diabetes mellitus and intestinal flora. Biomed Pharmacother 2019; 117:109138. [PMID: 31247468 DOI: 10.1016/j.biopha.2019.109138] [Citation(s) in RCA: 180] [Impact Index Per Article: 36.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Revised: 06/10/2019] [Accepted: 06/14/2019] [Indexed: 02/07/2023] Open
Abstract
Type 2 diabetes mellitus (T2DM) is a common clinical chronic disease, while its pathogenesis is still inconclusive. Intestinal flora, the largest micro-ecological system in the human body, is involved in, meanwhile has a major impact on the body's material and energy metabolism. Recent studies have shown that in addition to obesity, genetics, and islet dysfunction, the disturbance of intestinal flora may partly give rise to diabetes. In this paper, we summarized the current research on the correlation between T2DM and intestinal flora, and concluded the pathological mechanisms of intestinal flora involved in T2DM. Moreover, the ideas and methods of prevention and treatment of T2DM based on intestinal flora were proposed, providing theoretical basis and literature reference for the treatment of T2DM and its complications based on the regulation of intestinal flora.
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Affiliation(s)
- Quantao Ma
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, No.11 North 3rd Ring East Road, Chao-Yang District, Beijing, 100029, China
| | - Yaqi Li
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, No.11 North 3rd Ring East Road, Chao-Yang District, Beijing, 100029, China
| | - Pengfei Li
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, No.11 North 3rd Ring East Road, Chao-Yang District, Beijing, 100029, China
| | - Min Wang
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, No.11 North 3rd Ring East Road, Chao-Yang District, Beijing, 100029, China
| | - Jingkang Wang
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, No.11 North 3rd Ring East Road, Chao-Yang District, Beijing, 100029, China
| | - Ziyan Tang
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, No.11 North 3rd Ring East Road, Chao-Yang District, Beijing, 100029, China
| | - Ting Wang
- National Center for Safety Evaluation of Drugs, National Institutes for Food and Drug Control, No.8 Hong-Da Middle Road, Da-Xing District, Beijing, 100176, China
| | - Linglong Luo
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, No.11 North 3rd Ring East Road, Chao-Yang District, Beijing, 100029, China
| | - Chunguo Wang
- Beijing Research Institute of Chinese Medicine, Beijing University of Chinese Medicine, No. 11 North 3rd Ring East Road, Chao-Yang District, Beijing, 100029, China
| | - Ting Wang
- Beijing Research Institute of Chinese Medicine, Beijing University of Chinese Medicine, No. 11 North 3rd Ring East Road, Chao-Yang District, Beijing, 100029, China.
| | - Baosheng Zhao
- Beijing Research Institute of Chinese Medicine, Beijing University of Chinese Medicine, No. 11 North 3rd Ring East Road, Chao-Yang District, Beijing, 100029, China.
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40
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Delzenne NM, Olivares M, Neyrinck AM, Beaumont M, Kjølbæk L, Larsen TM, Benítez-Páez A, Romaní-Pérez M, Garcia-Campayo V, Bosscher D, Sanz Y, van der Kamp JW. Nutritional interest of dietary fiber and prebiotics in obesity: Lessons from the MyNewGut consortium. Clin Nutr 2019; 39:414-424. [PMID: 30904186 DOI: 10.1016/j.clnu.2019.03.002] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Revised: 02/24/2019] [Accepted: 03/04/2019] [Indexed: 01/31/2023]
Abstract
The aim of EU project MyNewGut is to contribute to future public health-related recommendations supported by new insight in gut microbiome and nutrition-host relationship. In this Opinion Paper, we first revisit the concept of dietary fiber, taking into account their interaction with the gut microbiota. This paper also summarizes the main effects of dietary fibers with prebiotic properties in intervention studies in humans, with a particular emphasis on the effects of arabinoxylans and arabinoxylo-oligosaccharides on metabolic alterations associated with obesity. Based on the existing state of the art and future development, we elaborate the steps required to propose dietary guidelines related to dietary fibers, taking into account their interaction with the gut microbiota.
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Affiliation(s)
- Nathalie M Delzenne
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, Université catholique de Louvain, Brussels, Belgium.
| | - Marta Olivares
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, Université catholique de Louvain, Brussels, Belgium
| | - Audrey M Neyrinck
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, Université catholique de Louvain, Brussels, Belgium
| | - Martin Beaumont
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, Université catholique de Louvain, Brussels, Belgium
| | - Louise Kjølbæk
- Department of Nutrition, Exercise and Sports, Faculty of Science, University of Copenhagen, Rolighedsvej 30, 1958, Frederiksberg C, Denmark
| | - Thomas Meinert Larsen
- Department of Nutrition, Exercise and Sports, Faculty of Science, University of Copenhagen, Rolighedsvej 30, 1958, Frederiksberg C, Denmark
| | - Alfonso Benítez-Páez
- Microbial Ecology, Nutrition & Health Research Unit, Institute of Agrochemistry and Food Technology, Spanish National Research Council (IATA-CSIC), Valencia, Spain
| | - Marina Romaní-Pérez
- Microbial Ecology, Nutrition & Health Research Unit, Institute of Agrochemistry and Food Technology, Spanish National Research Council (IATA-CSIC), Valencia, Spain
| | | | | | - Yolanda Sanz
- Microbial Ecology, Nutrition & Health Research Unit, Institute of Agrochemistry and Food Technology, Spanish National Research Council (IATA-CSIC), Valencia, Spain
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41
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Salvucci E. The human-microbiome superorganism and its modulation to restore health. Int J Food Sci Nutr 2019; 70:781-795. [DOI: 10.1080/09637486.2019.1580682] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- E. Salvucci
- Instituto de Ciencia y Tecnología de Alimentos Córdoba (ICYTAC-CONICET-UNC), Córdoba, Argentina
- Facultad de Ciencias Exactas, Físicas y Naturales; Facultad de Ciencias Agropecuarias, Universidad Nacional de Córdoba, Córdoba
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42
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Li Q, Schmitz-Esser S, Loving CL, Gabler NK, Gould SA, Patience JF. Exogenous carbohydrases added to a starter diet reduced markers of systemic immune activation and decreased Lactobacillus in weaned pigs1. J Anim Sci 2019; 97:1242-1253. [PMID: 30590571 PMCID: PMC6396408 DOI: 10.1093/jas/sky481] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2018] [Accepted: 12/24/2018] [Indexed: 01/21/2023] Open
Abstract
Although the impact of carbohydrases on performance and nutrient utilization has been well studied, their effects on immune status and intestinal microbiota are less known in pigs. This study aimed to evaluate the impact of xylanase (X) and a carbohydrase enzyme blend (EB; cellulase, ß-glucanase, and xylanase) on the immune profile of the intestine and peripheral system as well as intestinal microbes and microbial metabolites of weaned pigs fed higher fiber diets. Pigs (n = 460; 6.43 ± 0.06 kg BW; F25 × 6.0 Genetiporc) were blocked by initial BW. Pens (n = 48; 12 per treatment; 9 or 10 pigs per pen) were randomly assigned to 1 of 4 dietary treatments, including a higher fiber control diet (CON) and the CON supplemented with 0.01% X, 0.01% EB, or both enzymes (X + EB), arranged in a 2 × 2 factorial. The diets were based on corn, soybean meal, corn distillers dried grains with solubles, and wheat middlings. After 7-d adaptation to the environment, pigs were fed experimental diets ad libitum for 28 d. Blood samples were collected from the same pig within each pen on days 0, 7, 14, and 28. Intestinal tissues and digesta were collected on day 28. Bacteria 16S rRNA gene copy numbers were quantified using qPCR. The mRNA levels of colonic IL-17, occludin (OCLN), and claudin 3 (CLDN3) were greater in pigs fed diets with X + EB, but not X or EB, compared with those fed CON (P < 0.05). The EB in the diet reduced plasma IL-8 over the 28-d trial compared with diets without EB (P < 0.05). There was an X × EB interaction on plasma tumor necrosis factor α and IL-1ß (P < 0.05); their levels were decreased when X and EB were added together, but not individually, compared with CON. The EB decreased cecal propionate, butyrate, and total volatile fatty acids (P < 0.05). Pigs fed X had lower ileal Lactobacillus and greater ileal and cecal Enterobacteriaceae compared with those fed unsupplemented diets (P < 0.05). The EB decreased Lactobacillus (P < 0.05) and tended to decrease (P = 0.065) Enterobacteriaceae in the colon compared with diets without EB. In conclusion, the addition of X and EB together decreased systemic markers of immune activation, potentially diverting energy and nutrients towards growth. The EB reduced colonic Lactobacillus and cecal total volatile fatty acids, probably due to improved prececal fiber and starch degradation and thus reduced substrate availability in the large intestine. These data corroborated previously observed enhanced growth in pigs fed EB-supplemented diets.
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Affiliation(s)
- Qingyun Li
- Department of Animal Science, Iowa State University, Ames, IA
| | | | | | | | - Stacie A Gould
- Department of Animal Science, Iowa State University, Ames, IA
| | - John F Patience
- Department of Animal Science, Iowa State University, Ames, IA
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43
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Vine shoots as new source for the manufacture of prebiotic oligosaccharides. Carbohydr Polym 2019; 207:34-43. [DOI: 10.1016/j.carbpol.2018.11.065] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2018] [Revised: 10/22/2018] [Accepted: 11/21/2018] [Indexed: 11/22/2022]
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44
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De Paepe K, Verspreet J, Rezaei MN, Hidalgo Martinez S, Meysman F, Van de Walle D, Dewettinck K, Raes J, Courtin C, Van de Wiele T. Isolation of wheat bran-colonizing and metabolizing species from the human fecal microbiota. PeerJ 2019; 7:e6293. [PMID: 30701133 PMCID: PMC6348960 DOI: 10.7717/peerj.6293] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Accepted: 12/17/2018] [Indexed: 01/03/2023] Open
Abstract
Undigestible, insoluble food particles, such as wheat bran, are important dietary constituents that serve as a fermentation substrate for the human gut microbiota. The first step in wheat bran fermentation involves the poorly studied solubilization of fibers from the complex insoluble wheat bran structure. Attachment of bacteria has been suggested to promote the efficient hydrolysis of insoluble substrates, but the mechanisms and drivers of this microbial attachment and colonization, as well as subsequent fermentation remain to be elucidated. We have previously shown that an individually dependent subset of gut bacteria is able to colonize the wheat bran residue. Here, we isolated these bran-attached microorganisms, which can then be used to gain mechanistic insights in future pure culture experiments. Four healthy fecal donors were screened to account for inter-individual differences in gut microbiota composition. A combination of a direct plating and enrichment method resulted in the isolation of a phylogenetically diverse set of species, belonging to the Bacteroidetes, Firmicutes, Proteobacteria and Actinobacteria phyla. A comparison with 16S rRNA gene sequences that were found enriched on wheat bran particles in previous studies, however, showed that the isolates do not yet cover the entire diversity of wheat-bran colonizing species, comprising among others a broad range of Prevotella, Bacteroides and Clostridium cluster XIVa species. We, therefore, suggest several modifications to the experiment set-up to further expand the array of isolated species.
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Affiliation(s)
- Kim De Paepe
- Faculty of Bioscience Engineering, Department of Biotechnology, Center for Microbial Ecology and Technology (CMET), Universiteit Gent, Gent, Belgium
| | - Joran Verspreet
- Faculty of Bioscience Engineering, Leuven Food Science and Nutrition Research Centre (LFoRCe), Laboratory of Food Chemistry and Biochemistry, KU Leuven, Heverlee, Belgium
- Current affiliation: Flemish Institute for Technological Research (VITO), Mol, Belgium
| | - Mohammad Naser Rezaei
- Faculty of Bioscience Engineering, Leuven Food Science and Nutrition Research Centre (LFoRCe), Laboratory of Food Chemistry and Biochemistry, KU Leuven, Heverlee, Belgium
| | - Silvia Hidalgo Martinez
- Faculty of Sciences, Department of Biology, Ecosystem Management Research Group (ECOBE), Universiteit Antwerpen, Antwerpen, Belgium
| | - Filip Meysman
- Faculty of Sciences, Department of Biology, Ecosystem Management Research Group (ECOBE), Universiteit Antwerpen, Antwerpen, Belgium
- Department of Biotechnology, Delft University of Technology, Delft, The Netherlands
| | - Davy Van de Walle
- Faculty of Bioscience Engineering, Department of Food Technology, Safety and Health, Laboratory of Food Technology and Engineering (FTE), Universiteit Gent, Gent, Belgium
| | - Koen Dewettinck
- Faculty of Bioscience Engineering, Department of Food Technology, Safety and Health, Laboratory of Food Technology and Engineering (FTE), Universiteit Gent, Gent, Belgium
| | - Jeroen Raes
- Department of Microbiology and Immunology, Rega Institute, KU Leuven, Leuven, Belgium
- Center for Microbiology, VIB, Leuven, Belgium
| | - Christophe Courtin
- Faculty of Bioscience Engineering, Leuven Food Science and Nutrition Research Centre (LFoRCe), Laboratory of Food Chemistry and Biochemistry, KU Leuven, Heverlee, Belgium
| | - Tom Van de Wiele
- Faculty of Bioscience Engineering, Department of Biotechnology, Center for Microbial Ecology and Technology (CMET), Universiteit Gent, Gent, Belgium
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45
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Tingirikari JMR. Microbiota-accessible pectic poly- and oligosaccharides in gut health. Food Funct 2019; 9:5059-5073. [PMID: 30280147 DOI: 10.1039/c8fo01296b] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Diverse human intestinal microbiota are regarded as a prerequisite for a healthy intestine. Commercial prebiotic products have a limited ability to provide microbial diversity in the human gut, because they mostly comprise oligomers of the same monosaccharide residues and a small fraction of them can reach the distal colon. Therefore, the demand for diverse prebiotic ingredients and dietary fibers with improved functional properties is increasing tremendously. The main sources of carbohydrates in our diet are plant-derived polysaccharides, which are consumed by the bacteria present in the intestine. Among these, pectin-derived poly- and oligosaccharides serve as the best alternative, as they are resistant to human gastric juice and are fermented slowly in the large intestine to impart a prebiotic effect. The main components of pectin are polygalacturonic acids in association with neutral polysaccharides such as arabinan, arabinogalactan, and galactan. The present review deals with the health-related functional properties of pectic poly- and oligosaccharides and their applications in the food industry. Different mechanisms involved in the hydrolysis of these carbohydrates by the intestinal bacteria and in maintaining the microbial diversity of the intestine are also discussed. It also emphasizes the current methods for the production and purification of different pectins and their oligosaccharides.
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Affiliation(s)
- Jagan Mohan Rao Tingirikari
- Department of Biotechnology, National Institute of Technology Andhra Pradesh, Tadepalligudem, Andhra Pradesh 534101, India.
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46
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A low-gluten diet induces changes in the intestinal microbiome of healthy Danish adults. Nat Commun 2018; 9:4630. [PMID: 30425247 PMCID: PMC6234216 DOI: 10.1038/s41467-018-07019-x] [Citation(s) in RCA: 100] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2017] [Accepted: 10/05/2018] [Indexed: 12/31/2022] Open
Abstract
Adherence to a low-gluten diet has become increasingly common in parts of the general population. However, the effects of reducing gluten-rich food items including wheat, barley and rye cereals in healthy adults are unclear. Here, we undertook a randomised, controlled, cross-over trial involving 60 middle-aged Danish adults without known disorders with two 8-week interventions comparing a low-gluten diet (2 g gluten per day) and a high-gluten diet (18 g gluten per day), separated by a washout period of at least six weeks with habitual diet (12 g gluten per day). We find that, in comparison with a high-gluten diet, a low-gluten diet induces moderate changes in the intestinal microbiome, reduces fasting and postprandial hydrogen exhalation, and leads to improvements in self-reported bloating. These observations suggest that most of the effects of a low-gluten diet in non-coeliac adults may be driven by qualitative changes in dietary fibres. Gluten-free diets are increasingly common in the general population. Here, the authors report the results of a randomised cross-over trial involving middle-aged, healthy Danish adults, showing evidence that a low-gluten diet leads to gut microbiome changes, possibly due to variations in dietary fibres.
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47
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Spielman LJ, Gibson DL, Klegeris A. Unhealthy gut, unhealthy brain: The role of the intestinal microbiota in neurodegenerative diseases. Neurochem Int 2018; 120:149-163. [PMID: 30114473 DOI: 10.1016/j.neuint.2018.08.005] [Citation(s) in RCA: 169] [Impact Index Per Article: 28.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Revised: 08/09/2018] [Accepted: 08/13/2018] [Indexed: 02/08/2023]
Abstract
The number of bacterial cells living within the human body is approximately equal to, or greater than, the total number of human cells. This dynamic population of microorganisms, termed the human microbiota, resides mainly within the gastrointestinal tract. It is widely accepted that highly diverse and stable microbiota promote overall human health. Colonization of the gut with maladaptive and pathogenic microbiota, a state also known as dysbiosis, is associated with a variety of peripheral diseases ranging from type 2 diabetes mellitus to cardiovascular and inflammatory bowel disease. More recently, microbial dysbiosis has been associated with a number of brain pathologies, including autism spectrum disorder, Alzheimer's disease (AD), Parkinson's disease (PD), and amyotrophic lateral sclerosis (ALS), suggesting a direct or indirect communication between intestinal bacteria and the central nervous system (CNS). In this review, we illustrate two pathways implicated in the crosstalk between gut microbiota and CNS involving 1) the vagus nerve and 2) transmission of signaling molecules through the circulatory system and across the blood-brain barrier (BBB). We summarize the available evidence of the specific changes in the intestinal microbiota, as well as microorganism-induced modifications to intestinal and BBB permeability, which have been linked to several neurodegenerative disorders including ALS, AD, and PD. Even though each of these diseases arises from unique pathogenetic mechanisms, all are characterized, at least in part, by chronic neuroinflammation. We provide an interpretation for the substantial evidence that healthy intestinal microbiota have the ability to positively regulate the neuroimmune responses in the CNS. Even though the evidence is mainly associative, it has been suggested that bacterial dysbiosis could contribute to an adverse neuroinflammatory state leading to increased risk of neurodegenerative diseases. Thus, developing strategies for regulating and maintaining healthy intestinal microbiota could be a valid approach for lowering individual risk and prevalence of neurodegenerative diseases.
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Affiliation(s)
| | - Deanna Lynn Gibson
- Department of Biology, University of British Columbia Okanagan Campus, Kelowna, Canada
| | - Andis Klegeris
- Department of Biology, University of British Columbia Okanagan Campus, Kelowna, Canada
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48
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Gamage HKAH, Tetu SG, Chong RWW, Bucio-Noble D, Rosewarne CP, Kautto L, Ball MS, Molloy MP, Packer NH, Paulsen IT. Fiber Supplements Derived From Sugarcane Stem, Wheat Dextrin and Psyllium Husk Have Different In Vitro Effects on the Human Gut Microbiota. Front Microbiol 2018; 9:1618. [PMID: 30072976 PMCID: PMC6060387 DOI: 10.3389/fmicb.2018.01618] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2018] [Accepted: 06/28/2018] [Indexed: 12/12/2022] Open
Abstract
There is growing public interest in the use of fiber supplements as a way of increasing dietary fiber intake and potentially improving the gut microbiota composition and digestive health. However, currently there is limited research into the effects of commercially available fiber supplements on the gut microbiota. Here we used an in vitro human digestive and gut microbiota model system to investigate the effect of three commercial fiber products; NutriKane™, Benefiber® and Psyllium husk (Macro) on the adult gut microbiota. The 16S rRNA gene amplicon sequencing results showed dramatic fiber-dependent changes in the gut microbiota structure and composition. Specific bacterial OTUs within the families Bacteroidaceae, Porphyromonadaceae, Ruminococcaceae, Lachnospiraceae, and Bifidobacteriaceae showed an increase in the relative abundances in the presence of one or more fiber product(s), while Enterobacteriaceae and Pseudomonadaceae showed a reduction in the relative abundances upon addition of all fiber treatments compared to the no added fiber control. Fiber-specific increases in SCFA concentrations showed correlation with the relative abundance of potential SCFA-producing gut bacteria. The chemical composition, antioxidant potential and polyphenolic content profiles of each fiber product were determined and found to be highly variable. Observed product-specific variations could be linked to differences in the chemical composition of the fiber products. The general nature of the fiber-dependent impact was relatively consistent across the individuals, which may demonstrate the potential of the products to alter the gut microbiota in a similar, and predictable direction, despite variability in the starting composition of the individual gut microbiota.
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Affiliation(s)
- Hasinika K. A. H. Gamage
- Department of Molecular Sciences, Macquarie University, Sydney, NSW, Australia
- Australian Research Council Industrial Transformation Training Centre for Molecular Technologies in the Food Industry, Macquarie University, Sydney, NSW, Australia
| | - Sasha G. Tetu
- Department of Molecular Sciences, Macquarie University, Sydney, NSW, Australia
| | - Raymond W. W. Chong
- Department of Molecular Sciences, Macquarie University, Sydney, NSW, Australia
- Australian Research Council Industrial Transformation Training Centre for Molecular Technologies in the Food Industry, Macquarie University, Sydney, NSW, Australia
| | - Daniel Bucio-Noble
- Department of Molecular Sciences, Macquarie University, Sydney, NSW, Australia
- Australian Research Council Industrial Transformation Training Centre for Molecular Technologies in the Food Industry, Macquarie University, Sydney, NSW, Australia
| | - Carly P. Rosewarne
- Commonwealth Scientific and Industrial Research Organisation, Sydney, NSW, Australia
| | - Liisa Kautto
- Department of Molecular Sciences, Macquarie University, Sydney, NSW, Australia
- Australian Research Council Industrial Transformation Training Centre for Molecular Technologies in the Food Industry, Macquarie University, Sydney, NSW, Australia
| | | | - Mark P. Molloy
- Department of Molecular Sciences, Macquarie University, Sydney, NSW, Australia
- Australian Research Council Industrial Transformation Training Centre for Molecular Technologies in the Food Industry, Macquarie University, Sydney, NSW, Australia
| | - Nicolle H. Packer
- Department of Molecular Sciences, Macquarie University, Sydney, NSW, Australia
- Australian Research Council Industrial Transformation Training Centre for Molecular Technologies in the Food Industry, Macquarie University, Sydney, NSW, Australia
| | - Ian T. Paulsen
- Department of Molecular Sciences, Macquarie University, Sydney, NSW, Australia
- Australian Research Council Industrial Transformation Training Centre for Molecular Technologies in the Food Industry, Macquarie University, Sydney, NSW, Australia
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49
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Yacoubi N, Saulnier L, Bonnin E, Devillard E, Eeckhaut V, Rhayat L, Ducatelle R, Van Immerseel F. Short-chain arabinoxylans prepared from enzymatically treated wheat grain exert prebiotic effects during the broiler starter period. Poult Sci 2018; 97:412-424. [PMID: 29140465 DOI: 10.3382/ps/pex297] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2017] [Indexed: 11/20/2022] Open
Abstract
Carbohydrate-degrading multi-enzyme preparations (MEP) are used to improve broiler performances. Their mode of action is complex and not fully understood. In this study, we compared the effect of water-soluble fractions isolated at the pilot scale from wheat grain incubated with (WE) and without (WC) MEP. The fractions were incorporated in a wheat-based diet (0.1% w/w) to feed Ross PM3 broilers and compared with a non-supplemented control group (NC). The body weight gain (BWG), feed intake (FI), and feed conversion ratio (FCR) until d 14 were determined. At d 14, ileal and cecal contents and tissue samples were collected from euthanized animals. The intestinal contents were used to measure the short-chain fatty acids (SCFA) concentration using gas chromatography and to determine the abundance and composition of microbiota using 16S sequencing. Villi length of ileal samples was measured, while L-cell and T-cell densities were determined using immuno-histochemistry. The MEP treatment increased the amount of water-soluble arabinoxylans (AX) and reduced their molecular weight while retaining their polymer behavior. The WE fraction significantly (P < 0.05) increased FI by 13.8% and BWG by 14.7% during the first wk post hatch when compared to NC. No significant effect on FCR was recorded during the trial. The WE increased the abundance of Enterococcus durans and Candidatus arthromitus in the ileum and of bacteria within the Lachnospiraceae and Ruminococcaceae families, containing abundant butyrate-producing bacteria, in the ceca. It also increased the concentration of SCFA in the ceca, decreased the T-lymphocyte infiltration in the intestinal mucosa, and increased the glucagon-like-peptide-2 (GLP-2)-producing L-cell density in the ileal epithelium compared with WC and NC. No significant effects were observed on villi length. These results showed that AX present in the WE fraction altered the microbiota composition towards butyrate producers in the ceca. Butyrate may be responsible for the reduction of inflammation, as suggested by the decrease in T-lymphocyte infiltration, which may explain the higher feed intake leading to improved animal growth.
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Affiliation(s)
- N Yacoubi
- INRA, UR1268 Biopolymers Interactions Assemblies, BP 71627, F-44316 Nantes, France.,Department of Pathology, Bacteriology and Avian Diseases, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, B-9820 Merelbeke, Belgium.,Adisseo France SAS, Center of Expertise and Research in Nutrition, F-03600 Commentry, France
| | - L Saulnier
- INRA, UR1268 Biopolymers Interactions Assemblies, BP 71627, F-44316 Nantes, France
| | - E Bonnin
- INRA, UR1268 Biopolymers Interactions Assemblies, BP 71627, F-44316 Nantes, France
| | - E Devillard
- Adisseo France SAS, Center of Expertise and Research in Nutrition, F-03600 Commentry, France
| | - V Eeckhaut
- Department of Pathology, Bacteriology and Avian Diseases, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, B-9820 Merelbeke, Belgium
| | - L Rhayat
- Adisseo France SAS, Center of Expertise and Research in Nutrition, F-03600 Commentry, France
| | - R Ducatelle
- Department of Pathology, Bacteriology and Avian Diseases, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, B-9820 Merelbeke, Belgium
| | - F Van Immerseel
- Department of Pathology, Bacteriology and Avian Diseases, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, B-9820 Merelbeke, Belgium
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50
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Gullón B, Eibes G, Dávila I, Moreira MT, Labidi J, Gullón P. Hydrothermal treatment of chestnut shells (Castanea sativa) to produce oligosaccharides and antioxidant compounds. Carbohydr Polym 2018; 192:75-83. [DOI: 10.1016/j.carbpol.2018.03.051] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Revised: 02/08/2018] [Accepted: 03/16/2018] [Indexed: 11/30/2022]
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