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Li F, Zeng K, Ming J. Lowering glycemic levels via gastrointestinal tract factors: the roles of dietary fiber, polyphenols, and their combination. Crit Rev Food Sci Nutr 2023:1-37. [PMID: 37966135 DOI: 10.1080/10408398.2023.2278169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2023]
Abstract
Dietary fiber (DF) and polyphenols (DP) are typical blood sugar-lowering components, and both play distinct yet interconnected roles in exerting their blood sugar-lowering effects. We comprehensively summarized the single and combined effects of DF and DP on blood glucose homeostasis through regulating the relevant factors in the upper gastrointestinal tract (UGT) and lower gastrointestinal tract (LGT). In the UGT, DF slowed down glucose metabolism by enhancing digesta viscosity and hindering enzyme-substrate interaction. DP primarily targeted enzymes and substrates. When combined, DP enhanced the adsorption capacity of DF for glucose. DF weakened DP's inhibitory effect on enzymes. Both DF and DP disrupted glucose intestinal uptake via physical or genomic modulation, but the co-consumption of DF and DP demonstrated a lower inhibitory effect on glucose uptake than DP alone. In the LGT, DF and DP showed synergistic or antagonistic effects on gut microbiota. Remarkably, whole foods exhibited potent prebiotic effects due to their compound-rich matrix, potentially enhancing glucose homeostasis and expanding dietary options for glucose regulation research.
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Affiliation(s)
- Fuhua Li
- College of Food Science, Southwest University, Chongqing, People's Republic of China
- Research Group Food Chem and Human Nutrition, Department of Food Technology, Safety and Health, Faculty of Bioscience Engineering, Ghent University, Gent, Belgium
- Chongqing Key Laboratory of Speciality Food Co-Built by Sichuan and Chongqing, Chongqing, People's Republic of China
| | - Kaifang Zeng
- College of Food Science, Southwest University, Chongqing, People's Republic of China
- Chongqing Key Laboratory of Speciality Food Co-Built by Sichuan and Chongqing, Chongqing, People's Republic of China
| | - Jian Ming
- College of Food Science, Southwest University, Chongqing, People's Republic of China
- Chongqing Key Laboratory of Speciality Food Co-Built by Sichuan and Chongqing, Chongqing, People's Republic of China
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2
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Takahashi T, Tokunaga M, Okubo T, Ozeki M, Kapoor MP, Yasukawa Z. Lower Rate of Water Absorption of an Oral Rehydration Solution with Partially Hydrolyzed Guar Gum in Conscious Rats. Nutrients 2022; 14:nu14204231. [PMID: 36296915 PMCID: PMC9611419 DOI: 10.3390/nu14204231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 10/07/2022] [Accepted: 10/08/2022] [Indexed: 11/16/2022] Open
Abstract
The purpose of the present study was to elucidate the rate of water absorption of an oral rehydration solution containing partially hydrolyzed guar gum (PHGG) in the small intestine, which is the main site of water absorption when water is drunk. Seven-week-old male SD rats were employed. We prepared four types of an aqueous solution, i.e., containing mineral and sugar, containing PHGG, containing mineral and sugar and PHGG, or containing no additives. After 24 h of food and 4 h of water deprivation, the aqueous solutions were infused into the stomach of conscious rats on their hands using a syringe with a stomach sonde. We sampled the stomach and the small intestine with contents 8 min after the infusions. Causal effects were calculated using a Bayesian network. PHGG increased the residual amount of water in the gastro-intestine, which depends negatively on the absorption of water in the small intestine/the flow rate to the small intestine. The absorption of water in the small intestine depended positively on the flow rate to the small intestine, which depended negatively on the free water in the solutions. PHGG decreased water absorption in the small intestine by decreasing the free water in the aqueous solutions.
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Affiliation(s)
- Toru Takahashi
- Department of Nutrition, Faculty of Nutrition, Kanazawa Gakuin University, Kanazawa City 920-1392, Ishikawa, Japan
- Correspondence: ; Tel.: +81-76-229-8786
| | - Miki Tokunaga
- Department of Nutrition, Faculty of Nutrition, Kanazawa Gakuin University, Kanazawa City 920-1392, Ishikawa, Japan
| | - Tsutomu Okubo
- Nutrition Division, Taiyo Kagaku Co., Ltd., Yokkaichi 510-0844, Mie, Japan
| | - Makoto Ozeki
- Nutrition Division, Taiyo Kagaku Co., Ltd., Yokkaichi 510-0844, Mie, Japan
| | - Mahendra P. Kapoor
- Nutrition Division, Taiyo Kagaku Co., Ltd., Yokkaichi 510-0844, Mie, Japan
| | - Zenta Yasukawa
- Department of Nutrition, Faculty of Nutrition, Kanazawa Gakuin University, Kanazawa City 920-1392, Ishikawa, Japan
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3
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Suzuki Y, Kikuchi K, Numayama-Tsuruta K, Ishikawa T. Reciprocating intestinal flows enhance glucose uptake in C. elegans. Sci Rep 2022; 12:15310. [PMID: 36130988 PMCID: PMC9492717 DOI: 10.1038/s41598-022-18968-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2022] [Accepted: 08/23/2022] [Indexed: 11/09/2022] Open
Abstract
Despite its physiological and pathological importance, the mechanical relationship between glucose uptake in the intestine and intestinal flows is unclear. In the intestine of the nematode Caenorhabditis elegans, the defecation motor program (DMP) causes reciprocating intestinal flows. Although the DMP is frequently activated in the intestines, its physiological function is unknown. We evaluated the mechanical signature of enhanced glucose uptake by the DMP in worms. Glucose uptake tended to increase with increasing flow velocity during the DMP because of mechanical mixing and transport. However, the increase in input energy required for the DMP was low compared with the calorie intake. The findings suggest that animals with gastrointestinal motility exploit the reciprocating intestinal flows caused by peristalsis to promote nutrient absorption by intestinal cells.
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Affiliation(s)
- Yuki Suzuki
- Graduate School of Engineering, Department of Finemechanics, Tohoku University, 6-6-01 Aramaki, Aoba, Sendai, Miyagi, 980-8579, Japan
| | - Kenji Kikuchi
- Graduate School of Engineering, Department of Finemechanics, Tohoku University, 6-6-01 Aramaki, Aoba, Sendai, Miyagi, 980-8579, Japan. .,Graduate School of Biomedical Engineering, Tohoku University, 6-6-01 Aramaki, Aoba, Sendai, Miyagi, 980-8579, Japan.
| | - Keiko Numayama-Tsuruta
- Graduate School of Biomedical Engineering, Tohoku University, 6-6-01 Aramaki, Aoba, Sendai, Miyagi, 980-8579, Japan
| | - Takuji Ishikawa
- Graduate School of Engineering, Department of Finemechanics, Tohoku University, 6-6-01 Aramaki, Aoba, Sendai, Miyagi, 980-8579, Japan.,Graduate School of Biomedical Engineering, Tohoku University, 6-6-01 Aramaki, Aoba, Sendai, Miyagi, 980-8579, Japan
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4
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Zhu Y, Wen P, Wang P, Li Y, Tong Y, Ren F, Liu S. Influence of native cellulose, microcrystalline cellulose and soluble cellodextrin on inhibition of starch digestibility. Int J Biol Macromol 2022; 219:491-499. [PMID: 35932809 DOI: 10.1016/j.ijbiomac.2022.07.243] [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: 04/19/2022] [Revised: 07/14/2022] [Accepted: 07/31/2022] [Indexed: 11/17/2022]
Abstract
Cellulose is a major component of dietary fiber and it is proved to influence starch digestibility. The effects of native cellulose (NC), microcrystalline cellulose (MC), soluble cellodextrin (SC) on starch digestion have not been clearly elucidated. In this study, three types of cellulose with representative molecular weights (NC, 422500 Da; MC, 27750 Da; SC, 2202 Da) were prepared and their effects on starch digestion, glucose diffusion, α-amylase and amyloglucosidase activity were compared. The results suggested SC inhibited starch digestibility to a greater degree than those of NC and MC. When addition of SC reached 3 %, rapidly digestible starch proportion decreased from 31.2 % to 11.3 % and resistant starch proportion increased from 15.0 % to 58.0 %. Notably, hindrance effects of SC on glucose diffusion were higher than those of NC and MC. Moreover, SC reduced activity of α-amylase and amyloglucosidase to a larger extent than those of MC and NC. With the effect of starch digestion inhibition, NC, MC and SC could be utilized as functional food ingredients. Especially, the soluble property and the highest starch digestion inhibition ability of SC favors its application in food industry.
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Affiliation(s)
- Yanli Zhu
- College of Food Science and Engineering, Gansu Agricultural University, Lanzhou 730070, China; Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Nutrition and Health, China Agricultural University, Beijing 100193, China
| | - Pengcheng Wen
- College of Food Science and Engineering, Gansu Agricultural University, Lanzhou 730070, China
| | - Pengjie Wang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Nutrition and Health, China Agricultural University, Beijing 100193, China
| | - Yi Li
- Jilin COFCO Biochemical Co., Ltd., Changchun 130033, China
| | - Yi Tong
- Jilin COFCO Biochemical Co., Ltd., Changchun 130033, China
| | - Fazheng Ren
- College of Food Science and Engineering, Gansu Agricultural University, Lanzhou 730070, China; Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Nutrition and Health, China Agricultural University, Beijing 100193, China
| | - Siyuan Liu
- College of Food Science and Engineering, Gansu Agricultural University, Lanzhou 730070, China; Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Nutrition and Health, China Agricultural University, Beijing 100193, China.
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5
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Patova OA, Feltsinger LS, Khramova DS, Chelpanova TI, Golovchenko VV. Effect of in vitro gastric digestion conditions on physicochemical properties of raw apple fruit cell wall polysaccharides. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2022.107661] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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6
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Qiao H, Zhao T, Yin J, Zhang Y, Ran H, Chen S, Wu Z, Zhang R, Wang X, Gan L, Wang J. Structural Characteristics of Inulin and Microcrystalline Cellulose and Their Effect on Ameliorating Colitis and Altering Colonic Microbiota in Dextran Sodium Sulfate-Induced Colitic Mice. ACS OMEGA 2022; 7:10921-10932. [PMID: 35415348 PMCID: PMC8991927 DOI: 10.1021/acsomega.1c06552] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Accepted: 03/16/2022] [Indexed: 06/14/2023]
Abstract
Several studies have reported that dietary fibers (DFs) from plants may exert beneficial effects on inflammatory bowel disease. In the present study, we investigated the structural differences of soluble DF (inulin) and insoluble DF (microcrystalline cellulose, MCC) and their effects on the intestinal barrier integrity, gut microbiota community, and inflammation response in mice with dextran sodium sulfate (DSS)-induced colitis. Mice were fed for 21 days with diets containing inulin or MCC (2.5 g/kg body weight), and colitis was induced by administration of DSS (4% w/v) in drinking water during the last 8 days of experimentation. The results showed that inulin and MCC differ in morphology and structure. MCC exhibited a smaller particle size, a larger specific surface area, and higher thermal stability than inulin. In addition, both inulin and MCC restored various physical signs (body weight, colon weight and length, disease activity index score, and infiltration of inflammatory cells), gut barrier function (as evidenced by the increased expression of claudin-3, claudin-7, ZO-2, occludin, JAM-2, and MUC-3 and the decreased activity of myeloperoxidase activity), downregulation of mRNA expression of proinflammatory cytokines (caspase-1, NLPR3, TLR4, TNF-α, and IL-1β), and modulation of colon microbiota community. Taken together, the present study demonstrates that DFs differ in morphology and structure and ameliorate DSS-induced colitis in mice by blocking proinflammatory cytokines, reinforcing gut barrier integrity, and modulating gut microbiota. Therefore, DFs, especially inulin, are promising dietary supplements to alleviate intestinal inflammation.
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Affiliation(s)
- Hanzhen Qiao
- Henan University of Technology,
College
of Biological Engineering, Henan University
of Technology, Lianhua
Street, Hi-tech Zone, Zhengzhou 450001, China
| | - Tongxi Zhao
- Henan University of Technology,
College
of Biological Engineering, Henan University
of Technology, Lianhua
Street, Hi-tech Zone, Zhengzhou 450001, China
| | - Jie Yin
- Henan University of Technology,
College
of Biological Engineering, Henan University
of Technology, Lianhua
Street, Hi-tech Zone, Zhengzhou 450001, China
| | - Yichen Zhang
- Henan University of Technology,
College
of Biological Engineering, Henan University
of Technology, Lianhua
Street, Hi-tech Zone, Zhengzhou 450001, China
| | - Hongmei Ran
- Henan University of Technology,
College
of Biological Engineering, Henan University
of Technology, Lianhua
Street, Hi-tech Zone, Zhengzhou 450001, China
| | - Shaojie Chen
- Henan University of Technology,
College
of Biological Engineering, Henan University
of Technology, Lianhua
Street, Hi-tech Zone, Zhengzhou 450001, China
| | - Ziwei Wu
- Henan University of Technology,
College
of Biological Engineering, Henan University
of Technology, Lianhua
Street, Hi-tech Zone, Zhengzhou 450001, China
| | - Ran Zhang
- Henan University of Technology,
College
of Biological Engineering, Henan University
of Technology, Lianhua
Street, Hi-tech Zone, Zhengzhou 450001, China
| | - Xingkexin Wang
- Henan University of Technology,
College
of Biological Engineering, Henan University
of Technology, Lianhua
Street, Hi-tech Zone, Zhengzhou 450001, China
| | - Liping Gan
- Henan University of Technology,
College
of Biological Engineering, Henan University
of Technology, Lianhua
Street, Hi-tech Zone, Zhengzhou 450001, China
| | - Jinrong Wang
- Henan University of Technology,
College
of Biological Engineering, Henan University
of Technology, Lianhua
Street, Hi-tech Zone, Zhengzhou 450001, China
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7
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Guan ZW, Yu EZ, Feng Q. Soluble Dietary Fiber, One of the Most Important Nutrients for the Gut Microbiota. Molecules 2021; 26:molecules26226802. [PMID: 34833893 PMCID: PMC8624670 DOI: 10.3390/molecules26226802] [Citation(s) in RCA: 73] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 10/30/2021] [Accepted: 11/02/2021] [Indexed: 12/12/2022] Open
Abstract
Dietary fiber is a widely recognized nutrient for human health. Previous studies proved that dietary fiber has significant implications for gastrointestinal health by regulating the gut microbiota. Moreover, mechanistic research showed that the physiological functions of different dietary fibers depend to a great extent on their physicochemical characteristics, one of which is solubility. Compared with insoluble dietary fiber, soluble dietary fiber can be easily accessed and metabolized by fiber-degrading microorganisms in the intestine and produce a series of beneficial and functional metabolites. In this review, we outlined the structures, characteristics, and physiological functions of soluble dietary fibers as important nutrients. We particularly focused on the effects of soluble dietary fiber on human health via regulating the gut microbiota and reviewed their effects on dietary and clinical interventions.
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Affiliation(s)
- Zhi-Wei Guan
- Shandong Provincial Key Laboratory of Oral Tissue Regeneration, Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Department of Human Microbiome, School of Stomatology, Shandong University, Jinan 250012, China; (Z.-W.G.); (E.-Z.Y.)
- School of Life Science, Qi Lu Normal University, Jinan 250200, China
| | - En-Ze Yu
- Shandong Provincial Key Laboratory of Oral Tissue Regeneration, Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Department of Human Microbiome, School of Stomatology, Shandong University, Jinan 250012, China; (Z.-W.G.); (E.-Z.Y.)
| | - Qiang Feng
- Shandong Provincial Key Laboratory of Oral Tissue Regeneration, Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Department of Human Microbiome, School of Stomatology, Shandong University, Jinan 250012, China; (Z.-W.G.); (E.-Z.Y.)
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, China
- Correspondence:
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8
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Abstract
Epidemiological studies have consistently demonstrated the benefits of dietary fibre on gastrointestinal health through consumption of unrefined whole foods, such as wholegrains, legumes, vegetables and fruits. Mechanistic studies and clinical trials on isolated and extracted fibres have demonstrated promising regulatory effects on the gut (for example, digestion and absorption, transit time, stool formation) and microbial effects (changes in gut microbiota composition and fermentation metabolites) that have important implications for gastrointestinal disorders. In this Review, we detail the major physicochemical properties and functional characteristics of dietary fibres, the importance of dietary fibres and current evidence for their use in the management of gastrointestinal disorders. It is now well-established that the physicochemical properties of different dietary fibres (such as solubility, viscosity and fermentability) vary greatly depending on their origin and processing and are important determinants of their functional characteristics and clinical utility. Although progress in understanding these relationships has uncovered potential therapeutic opportunities for dietary fibres, many clinical questions remain unanswered such as clarity on the optimal dose, type and source of fibre required in both the management of clinical symptoms and the prevention of gastrointestinal disorders. The use of novel fibres and/or the co-administration of fibres is an additional therapeutic approach yet to be extensively investigated.
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9
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Greene LK, Clarke TA, Southworth CA, Bornbusch SL, Ehmke EE. Daily lettuce supplements promote foraging behavior and modify the gut microbiota in captive frugivores. Zoo Biol 2020; 39:334-344. [PMID: 32608534 DOI: 10.1002/zoo.21555] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 05/08/2020] [Accepted: 06/15/2020] [Indexed: 11/11/2022]
Abstract
For captive primates, greater provisioning of leafy greens or foliage can promote natural foraging behavior while boosting fiber intake. Recalcitrant fiber, although minimally available to endogenous metabolism, is readily fermented into nutrients by gut microbes. Whereas most primates in captivity consume fiber-limited diets and harbor imbalanced gut microbiota compared to their wild conspecifics, the importance of fiber provisioning to primate gut microbiota has predominately been studied in folivores. We, therefore, determined if commercial lettuce could be used to encourage foraging behavior and modify the gut microbiota of captive frugivores. We provisioned ruffed lemurs (Varecia rubra and V. variegata) with romaine lettuce, on top of the standard dietary fare, for 10 consecutive days. Before and across the period of lettuce supplementation, we collected observational data of animal feeding and fecal samples for microbiome analysis, determined via amplicon sequencing. The ruffed lemurs and their gut microbes responded to lettuce provisioning. In particular, younger animals readily ate lettuce and showed no decline in consumption across study days. When controlling for the effects of host species and social-group membership, lettuce consumption shifted the composition of the gut microbiome away from each lemur's own baseline, an effect that became stronger as the study progressed. In the final study days, Ruminococcaceae UCG-008 and Akkermansia, microbes typically and respectively associated with fiber metabolism and host health, were significantly enriched in the consortia of lettuce-provisioned subjects. Ultimately, the routine offering of lettuce, leafy greens, or foliage to captive frugivores may benefit animal wellbeing.
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Affiliation(s)
- Lydia K Greene
- University Program in Ecology, Duke University, Durham, North Carolina
- Department of Evolutionary Anthropology, Duke University, Durham, North Carolina
- Research Department, Duke Lemur Center, Durham, North Carolina
| | - Tara A Clarke
- Department of Evolutionary Anthropology, Duke University, Durham, North Carolina
- Department of Sociology and Anthropology, North Carolina State University, Raleigh, North Carolina
| | - Chelsea A Southworth
- Department of Evolutionary Anthropology, Duke University, Durham, North Carolina
| | - Sally L Bornbusch
- Department of Evolutionary Anthropology, Duke University, Durham, North Carolina
| | - Erin E Ehmke
- Research Department, Duke Lemur Center, Durham, North Carolina
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10
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Yamamoto Y, Morozumi T, Takahashi T, Saruta J, To M, Sakaguchi W, Shimizu T, Kubota N, Tsukinoki K. Faster Short-Chain Fatty Acid Absorption from the Cecum Following Polydextrose Ingestion Increases the Salivary Immunoglobulin A Flow Rate in Rats. Nutrients 2020; 12:nu12061745. [PMID: 32545166 PMCID: PMC7353249 DOI: 10.3390/nu12061745] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 05/25/2020] [Accepted: 06/03/2020] [Indexed: 12/20/2022] Open
Abstract
Salivary immunoglobulin A (IgA) plays a vital role in preventing upper respiratory tract infections (URTI). In our previous study, we showed that the intake of carbohydrates increases the intestinal levels of short-chain fatty acids (SCFAs), which in turn increase salivary IgA levels. However, the mechanism underlying this phenomenon has not been fully elucidated. In this study, we investigated in rats the effect of polydextrose (PDX) ingestion on salivary IgA level and SCFA concentration in cecal digesta and the portal vein. Five-week-old rats were fed with a fiber-free diet (control) or with 40 g/kg of PDX for 28 days. Compared to the control, ingestion of PDX led to a higher salivary IgA flow rate (p = 0.0013) and a higher concentration of SCFAs in the portal vein (p = 0.004). These two data were positively correlated (rs = 0.88, p = 0.0002, n = 12). In contrast, the concentration of SCFAs in cecal digesta and cecal digesta viscosity were significantly lower following PDX ingestion, compared to the control (p = 0.008 and 0.05, respectively). These findings suggest that the ingestion of PDX increases the absorption rate of SCFAs in the intestine through PDX-induced fermentation, which is accompanied by an increase in SCFA levels in the blood, and ultimately leads to increased salivary IgA levels.
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Affiliation(s)
- Yuko Yamamoto
- Department of Junior College, School of Dental Hygiene, Kanagawa Dental University, 82 Inaoka, Yokosuka 2388580, Kanagawa, Japan;
| | - Toshiya Morozumi
- Division of Periodontology, Department of Oral Interdisciplinary Medicine, Graduate School of Dentistry, Kanagawa Dental University, 82 Inaoka, Yokosuka 2388580, Kanagawa, Japan;
| | - Toru Takahashi
- Department of Health and Nutrition, Faculty of Human Health, Kanazawa Gakuin University, 10 Sue-machi, Kanazawa 9201392, Ishikawa, Japan;
| | - Juri Saruta
- Division of Environmental Pathology, Department of Oral Science, Graduate School of Dentistry, Kanagawa Dental University, 82 Inaoka, Yokosuka 2388580, Kanagawa, Japan; (J.S.); (W.S.); (N.K.)
| | - Masahiro To
- Division of Dental Anatomy, Department of Oral Science, Graduate School of Dentistry, Kanagawa Dental University, 82 Inaoka, Yokosuka 2388580, Kanagawa, Japan;
| | - Wakako Sakaguchi
- Division of Environmental Pathology, Department of Oral Science, Graduate School of Dentistry, Kanagawa Dental University, 82 Inaoka, Yokosuka 2388580, Kanagawa, Japan; (J.S.); (W.S.); (N.K.)
| | - Tomoko Shimizu
- Department of Highly Advanced Stomatology, Graduate School of Dentistry, Kanagawa Dental University, 3-31-6 Tsuruya, Kanagawa-ku, Yokohama 2210835, Kanagawa, Japan;
| | - Nobuhisa Kubota
- Division of Environmental Pathology, Department of Oral Science, Graduate School of Dentistry, Kanagawa Dental University, 82 Inaoka, Yokosuka 2388580, Kanagawa, Japan; (J.S.); (W.S.); (N.K.)
| | - Keiichi Tsukinoki
- Division of Environmental Pathology, Department of Oral Science, Graduate School of Dentistry, Kanagawa Dental University, 82 Inaoka, Yokosuka 2388580, Kanagawa, Japan; (J.S.); (W.S.); (N.K.)
- Correspondence: ; Tel.: +81-46-822-8866
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11
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Nsor-Atindana J, Yu M, Goff HD, Chen M, Zhong F. Analysis of kinetic parameters and mechanisms of nanocrystalline cellulose inhibition of α-amylase and α-glucosidase in simulated digestion of starch. Food Funct 2020; 11:4719-4731. [PMID: 32412562 DOI: 10.1039/d0fo00317d] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
This study evaluated the in vitro inhibitory influence of particle size of nanocrystalline cellulose (NCC) fractions against α-amylase and α-glucosidase using cooked potato starch-protein food model system. The kinetics of the resulting inhibitions in the presence of NCC of the two tested enzymes were examined and characterised. Both the size and dose of NCC significantly (p < 0.05) inhibited α-amylase and α-glucosidase by modulating the rate of hydrolysis of starch in the food model system lower than that of the control (no added fibre). At equal concentrations of each NCC fraction, the smallest particle size (≤125 nm) exhibited the highest potency as an inhibitor (median inhibitory concentration (IC50) = 2.98 mg mL-1 and 4.57 mg mL-1 for α-amylase and α-glucosidase, respectively). Increasing concentrations of each NCC fraction caused an apparent significant decrease in Vmax values (p < 0.05) with insignificant change in the Km values for both the tested enzymes. Furthermore, binding assays demonstrated that NCC particles may bind to the two tested enzymes in a non-specific manner. Analysis of the kinetics of the enzymes suggested that the mechanism of inhibition showed that the two tested enzymes mainly exhibited non-competitive mode of inhibition. The observed inhibition of the two tested enzymes suggests that reducing the cellulose size ≤125 nm may enhance its inhibition potency and potentially attenuate starch hydrolysis when added to diet.
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Affiliation(s)
- John Nsor-Atindana
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, P. R. China.
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12
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Chen Y, Lin YJ, Nagy T, Kong F, Guo TL. Subchronic exposure to cellulose nanofibrils induces nutritional risk by non-specifically reducing the intestinal absorption. Carbohydr Polym 2019; 229:115536. [PMID: 31826413 DOI: 10.1016/j.carbpol.2019.115536] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 10/23/2019] [Accepted: 10/25/2019] [Indexed: 12/20/2022]
Abstract
Previous studies of cellulose nanofibrils (CNF) in decreasing fat absorption and glucose release suggested their potential application as food additives or supplements in diets containing high contents of fat and sugars. However, the long-term effects of CNF uptake remained unknown. The purpose of this study was to determine the effects of subchronic oral CNF consumption on various health aspects of Western diets (WD)-fed mice. The results demonstrated that CNF decreased fat absorption in the jejunum and attenuated WD-induced fatty liver, but slightly decreased lean body mass and affected glucose homeostasis. Additional in vivo studies showed that CNF decreased the intestinal absorption. The in vitro studies suggested that CNF did not decrease the viability of any cells used; however, they prevented epithelial and T cells, but not macrophages, from accessing the viability dye. Taken together, CNF decreased the intestinal absorption non-specifically, which might lead to nutritional risks after long-term exposure.
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Affiliation(s)
- Yingjia Chen
- Department of Veterinary Biosciences and Diagnostic Imaging, College of Veterinary Medicine, University of Georgia, Athens, GA, USA.
| | - Yu-Ju Lin
- Department of Food Science and Technology, University of Georgia, Athens, GA, USA.
| | - Tamas Nagy
- Department of Pathology, College of Veterinary Medicine, University of Georgia, Athens, GA, USA.
| | - Fanbin Kong
- Department of Food Science and Technology, University of Georgia, Athens, GA, USA.
| | - Tai L Guo
- Department of Veterinary Biosciences and Diagnostic Imaging, College of Veterinary Medicine, University of Georgia, Athens, GA, USA.
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13
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The resilience of nanocrystalline cellulose viscosity to simulated digestive processes and its influence on glucose diffusion. Carbohydr Polym 2018; 200:436-445. [DOI: 10.1016/j.carbpol.2018.07.088] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2018] [Revised: 07/04/2018] [Accepted: 07/28/2018] [Indexed: 11/19/2022]
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14
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Liu L, Kerr WL, Kong F, Dee DR, Lin M. Influence of nano-fibrillated cellulose (NFC) on starch digestion and glucose absorption. Carbohydr Polym 2018; 196:146-153. [DOI: 10.1016/j.carbpol.2018.04.116] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Revised: 04/10/2018] [Accepted: 04/27/2018] [Indexed: 10/17/2022]
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15
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Effects of a hydroalcoholic extract of Juglans regia (walnut) leaves on blood glucose and major cardiovascular risk factors in type 2 diabetic patients: a double-blind, placebo-controlled clinical trial. Altern Ther Health Med 2018; 18:206. [PMID: 29973195 PMCID: PMC6031195 DOI: 10.1186/s12906-018-2268-8] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Accepted: 06/22/2018] [Indexed: 01/15/2023]
Abstract
Background We aimed to evaluate the effects of a hydroalcoholic extract of Juglans regia L. leaves on blood glucose level and cardiovascular risk factors in type 2 diabetic patients. Methods In this randomized, double-blind, placebo-controlled, parallel-group (2 arms) clinical trial, 50 diabetic patients were divided into two groups: treatment group (receive the capsules containing 100 mg J. regia leaf extract) and control group (receive the capsules containing placebo, microcrystallin cellulose). Baseline participant data were matched between the two arms of the study. We administered the prepared capsules to the patients twice daily for 8 weeks. Blood glucose level, glycosylated hemoglobin (HbA1c) level, body weight, body mass index, blood pressure, lipid profile, serum insulin, and insulin resistance were compared between the two groups before and after the intervention. P < 0.05 was considered significant. Results After excluding eleven patients, 20 received J. regia leaf extract and 20 patients received placebo. The J. regia leaf extract did not significantly change the blood glucose and insulin resistance condition. However, in this group, body weight, body mass index, and systolic blood pressure significantly decreased compared with the baseline measurements (P = 0.028, P = 0.030, and P = 0.005, respectively). The lipid profile did not change significantly compared with the baseline measurements. In the control group, postprandial glucose and HbA1c levels significantly decreased after the intervention (P = 0.030 and P = 0.028, respectively). The other variables were not significantly different in this group. At the end of the study, the variables were not significantly different between the two groups. Conclusion In this double-blind study, 200 mg/d of J. regia leaf extract had no significant effect on blood glucose level and HOMA-IR score in patients with type 2 diabetes. However, the J. regia leaf extract was effective in reducing body weight and blood pressure. An accidental finding of our study was that microcrystalline cellulose, a widely used placebo in clinical trials, led to a reduction in blood glucose level. Trial registration Iranian Registry of Clinical Trials (IRCT: 138901203180 N2, 2010/6/6); retrospectively registered.
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16
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Chan LKY, Wang Y, Ng EKW, Leung PS. Na + /H + exchanger 3 blockade ameliorates type 2 diabetes mellitus via inhibition of sodium-glucose co-transporter 1-mediated glucose absorption in the small intestine. Diabetes Obes Metab 2018; 20:709-717. [PMID: 29110392 DOI: 10.1111/dom.13151] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2017] [Revised: 10/12/2017] [Accepted: 10/29/2017] [Indexed: 01/02/2023]
Abstract
AIM To elucidate the role of Na+ /H+ exchanger 3 (NHE3) in sodium-glucose co-transporter 1 (SGLT1)-mediated small intestinal brush border membrane (BBM) glucose absorption and its functional implications in type 2 diabetes mellitus (T2DM). MATERIALS AND METHODS Human jejunal samples were obtained from patients undergoing gastrectomy. 14 C-glucose absorption was measured by liquid scintillation counting. NHE3 expression was suppressed by siRNA-mediated knockdown or augmented in Caco2 cells. Glucose and insulin tolerance in db/db and m+/db mice was assessed with oral and intraperitoneal glucose tolerance tests, and an intraperitoneal insulin tolerance test. Insulin resistance and β-cell function were assessed using homeostatic model assessment of insulin resistance and β-cell function. RESULTS NHE3 expression was upregulated in db/db mouse jejunal BBM and high-glucose-treated Caco2 cells. NHE3 blockade impaired SGLT1-mediated glucose absorption in human jejunum, m+/db and db/db mouse jejunums, and Caco2 cells, via serum/glucocorticoid-regulated kinase 1 (SGK1). NHE3 knockdown suppressed SGLT1-mediated glucose uptake and reduced mRNA and protein levels of SGK1 and SGLT1, which were conversely enhanced by NHE3 overexpression. Chronic S3226 treatment diminished postprandial glucose levels and ameliorated glucose intolerance in db/db mice. CONCLUSION NHE3 is essential in the modulation of small intestinal BBM glucose absorption. Our findings provide a rationale for future possible clinical application of NHE3 for treatment of T2DM through reducing intestinal glucose uptake and counteracting postprandial hyperglycaemia.
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Affiliation(s)
- Leo K Y Chan
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China
| | - Yi Wang
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China
| | - Enders K W Ng
- Department of Surgery, Prince of Wales Hospital, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China
| | - Po Sing Leung
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China
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17
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Capuano E. The behavior of dietary fiber in the gastrointestinal tract determines its physiological effect. Crit Rev Food Sci Nutr 2017; 57:3543-3564. [DOI: 10.1080/10408398.2016.1180501] [Citation(s) in RCA: 135] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Edoardo Capuano
- Food Quality and Design Group, Wageningen University, Wageningen, The Netherlands
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18
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Nsor-Atindana J, Chen M, Goff HD, Zhong F, Sharif HR, Li Y. Functionality and nutritional aspects of microcrystalline cellulose in food. Carbohydr Polym 2017; 172:159-174. [PMID: 28606522 DOI: 10.1016/j.carbpol.2017.04.021] [Citation(s) in RCA: 104] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Revised: 03/21/2017] [Accepted: 04/09/2017] [Indexed: 01/14/2023]
Abstract
Microcrystalline cellulose (MCC) is among the most commonly used cellulose derivatives in the food industry. In order assess the recent advances of MCC in food product development and its associated nutraceutical implications, google scholar and database of journals subscribed by Jiangnan university, China were used to source literature. Recently published research articles that reported physicochemical properties of MCC for food application or potential application in food and nutraceutical functions were reviewed and major findings outlined. The selected literature reviewed demonstrated that the material has been extensively explored as a functional ingredient in food including meat products, emulsions, beverages, dairy products, bakery, confectionary and filling. The carbohydrate polymer also has many promising applications in functional and nutraceutical food industries. Though widely used as control for many dietary fiber investigations, MCC has been shown to provide positive effects on gastrointestinal physiology, and hypolipidemic effects, influencing the expression of enzymes involved in lipid metabolism. These techno-functional and nutraceutical properties of MCC are influenced by the physicochemical of the material, which are defined by the raw material source and processing conditions. Apart from these functional properties, this review also highlighted limitations and gaps regarding the application of material in food and nutritional realms. Functional, Nutritional and health claims of MCC.
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Affiliation(s)
- John Nsor-Atindana
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, 1800 Lihu Avenue, 214122 Wuxi, Jiangsu Province, China; Department of Nutrition and Dietetics, University of Health Allied Sciences, Ho, Ghana
| | - Maoshen Chen
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, 1800 Lihu Avenue, 214122 Wuxi, Jiangsu Province, China
| | - H Douglas Goff
- Department of Food Science, University of Guelph, Canada
| | - Fang Zhong
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, 1800 Lihu Avenue, 214122 Wuxi, Jiangsu Province, China.
| | - Hafiz Rizwan Sharif
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, 1800 Lihu Avenue, 214122 Wuxi, Jiangsu Province, China
| | - Yue Li
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, 1800 Lihu Avenue, 214122 Wuxi, Jiangsu Province, China
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Tsuchiya Y, Kawamata K, Tomita M, Tsuboi M, Takahashi T, Yonezuka M. Effects of Salmon Nasal Cartilage Proteoglycan on Plasma Glucose Concentration and Active Glucose Transport in the Small Intestine. J Nutr Sci Vitaminol (Tokyo) 2016; 61:502-5. [PMID: 26875493 DOI: 10.3177/jnsv.61.502] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Recently, proteoglycan was purified from the nasal cartilage of salmon. Although several physiological effects have been reported, the effect of salmon nasal cartilage proteoglycan (salmon PG) on glucose metabolism remains unclear. We studied the effect of salmon PG on rat plasma glucose levels. Oral administration of 1% salmon PG significantly attenuated the increase in portal plasma glucose levels following an oral glucose tolerance test (OGTT). Additionally 1% salmon PG delayed the increase in peripheral glucose concentration induced by the OGTT. Mucosal administration of 1% salmon PG significantly decreased active glucose transport using the everted jejunal sac method. Furthermore, transmural potential difference (ΔPD) measurements using the everted jejunum revealed that 1% salmon PG significantly decreased glucose-dependent and phlorhizin (inhibitor of sodium-glucose co-transporter 1; SGLT1)-sensitive ΔPD. These results suggest that salmon PG decreases glucose absorption via SGLT1 in the jejunum, thereby attenuating the increase in portal and peripheral plasma glucose levels in rats.
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Affiliation(s)
- Yo Tsuchiya
- Department of Health and Nutrition, Faculty of Home Economics, Tohoku Women's College
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20
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Ballance S, Knutsen SH, Fosvold ØW, Wickham M, Trenado CDT, Monro J. Glyceamic and insulinaemic response to mashed potato alone, or with broccoli, broccoli fibre or cellulose in healthy adults. Eur J Nutr 2016; 57:199-207. [DOI: 10.1007/s00394-016-1309-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2016] [Accepted: 09/02/2016] [Indexed: 10/21/2022]
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21
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Lu H, Gui Y, Guo T, Wang Q, Liu X. Effect of the particle size of cellulose from sweet potato residues on lipid metabolism and cecal conditions in ovariectomized rats. Food Funct 2016; 6:1185-93. [PMID: 25710810 DOI: 10.1039/c4fo00799a] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
This study aims to examine the effect of the particle size of cellulose from sweet potato residues on lipid metabolism and cecal conditions in ovariectomized rats. Forty mature female Wistar rats were divided into five groups. The sham-operated group was used as the sham control. The other four groups were double-ovariectomized and assigned to the model, ordinary cellulose (100 g kg(-1) diet), microcrystalline cellulose (100 g kg(-1) diet), and cellulose nanocrystal (100 g kg(-1) diet) groups. As the cellulose particle size decreased, the body weight gain and food intake were decreased. The plasma lipids and hepatic lipids were decreased. In addition, the mRNA levels of cholesterol 7α-hydroxylase, farnesoid X receptor, and 3-hydroxy-3-methylglutaryl coenzyme A reductase were decreased, whereas those of ileal apical sodium-dependent bile acid transporter and intestinal bile acid binding protein were increased. The cecum weight, cecum content, and short-chain fatty acid concentration and the amount of total bile acids in the small intestinal content, as well as the bile acids and neutral steroids in fecal excretion, were increased. These results indicate that as the particle size decreased, cellulose was more effective in preventing ovarian hormone deficiency-induced hyperlipidemia and in improving intestinal health.
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Affiliation(s)
- Hongjia Lu
- College of Food Science, Southwest University, Tiansheng Road 1, Chongqing 400715, PR China.
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22
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Insoluble fiber in young barley leaf suppresses the increment of postprandial blood glucose level by increasing the digesta viscosity. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2013; 2013:137871. [PMID: 24348688 PMCID: PMC3857754 DOI: 10.1155/2013/137871] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/26/2013] [Revised: 09/27/2013] [Accepted: 10/07/2013] [Indexed: 11/18/2022]
Abstract
Barley (Hordeum vulgare L.) is a well-known cereal plant. Young barley leaf is consumed as a popular green-colored drink, which is named “Aojiru” in Japan. We examined the effects of barley leaf powder (BLP) and insoluble fibers derived from BLP on postprandial blood glucose in rats and healthy Japanese volunteers. BLP and insoluble fibers derived from BLP suppressed the increment of postprandial blood glucose levels in rats (P < 0.01), and increased the viscosity of their digesta. The insoluble fibers present in BLP might play a role in controlling blood glucose level by increasing digesta viscosity. In human, BLP suppressed the increment of postprandial blood glucose level only in those which exhibited higher blood glucose levels after meals (P < 0.01). BLP might suppress the increment of postprandial blood glucose level by increasing digesta viscosity in both of rats and humans who require blood glucose monitoring.
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23
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Bangoura ML, Nsor-Atindana J, Zhu K, Tolno MB, Zhou H, Wei P. Potential hypoglycaemic effects of insoluble fibres isolated from foxtail millets [Setaria italica(L.) P. Beauvois]. Int J Food Sci Technol 2012. [DOI: 10.1111/j.1365-2621.2012.03210.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
| | - John Nsor-Atindana
- State Key Laboratory of Food Science and Safety; Jiangnan University; Ministry of Education; LiHu Road 1800; PO Box 214122; Wuxi; Jiangsu Province; China
| | - Kexue Zhu
- State Key Laboratory of Food Science and Safety; Jiangnan University; Ministry of Education; LiHu Road 1800; PO Box 214122; Wuxi; Jiangsu Province; China
| | - Michel Bono Tolno
- Food Technology Chair; Chemical Genius Department; University of Gamal Abdel Nasser of Conakry (Guinea); PO Box 1147; Conakry; Guinea
| | - Huiming Zhou
- State Key Laboratory of Food Science and Safety; Jiangnan University; Ministry of Education; LiHu Road 1800; PO Box 214122; Wuxi; Jiangsu Province; China
| | - Peng Wei
- State Key Laboratory of Food Science and Safety; Jiangnan University; Ministry of Education; LiHu Road 1800; PO Box 214122; Wuxi; Jiangsu Province; China
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24
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Silva V, Morita V, Boleli I. Desempenho e rendimento de carcaça de frangos de corte alimentados com pectina na ração. ARQ BRAS MED VET ZOO 2012. [DOI: 10.1590/s0102-09352012000400031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Avaliou-se o efeito da ingestão contínua de pectina em 720 frangos de corte sobre o desempenho e rendimento de carcaça e o consumo de água. O delineamento foi inteiramente ao acaso, em esquema de parcela subdividida, com níveis de pectina 0, 1, 3 e 5%, e idade primeira, segunda, terceira, quarta, quinta e sexta semanas, com seis repetições por tratamento. A viabilidade criatória não foi influenciada pela pectina na ração. O peso vivo, o consumo de ração e o ganho de peso diminuíram, e a conversão alimentar aumentou com a ingestão de pectina aos 35 e 42 dias. Não houve efeito da pectina sobre o consumo de ração (CR) e o consumo de água (CAg) na terceira semana. Na sexta semana, o CAg e a relação CAg:CR aumentaram com a ingestão de pectina. Aos 35e 42 dias, todos os parâmetros avaliados para rendimento de carcaça e corte diminuíram com o aumento da ingestão da fibra, sendo que apenas o rendimento de coxa+sobrecoxa não sofreu influência aos 42 dias. Os dados mostram que a ingestão contínua de até 1% de pectina na ração mantém o desempenho máximo das aves e que o consumo acima desse nível prejudica os parâmetros zootécnicos e aumenta o consumo de água na fase de maior crescimento.
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25
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Paturi G, Butts CA, Stoklosinski H, Ansell J. Effects of early dietary intervention with a fermentable fibre on colonic microbiota activity and mucin gene expression in newly weaned rats. J Funct Foods 2012. [DOI: 10.1016/j.jff.2012.02.013] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
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26
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TAKAHASHI T. Flow Behavior of Digesta and the Absorption of Nutrients in the Gastrointestine. J Nutr Sci Vitaminol (Tokyo) 2011; 57:265-73. [DOI: 10.3177/jnsv.57.265] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Toru TAKAHASHI
- Department of Nutrition and Health Science, Faculty of Human Environmental Sciences, Fukuoka Women's University
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27
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Lattimer JM, Haub MD. Effects of dietary fiber and its components on metabolic health. Nutrients 2010; 2:1266-89. [PMID: 22254008 PMCID: PMC3257631 DOI: 10.3390/nu2121266] [Citation(s) in RCA: 672] [Impact Index Per Article: 48.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2010] [Revised: 11/30/2010] [Accepted: 12/07/2010] [Indexed: 12/17/2022] Open
Abstract
Dietary fiber and whole grains contain a unique blend of bioactive components including resistant starches, vitamins, minerals, phytochemicals and antioxidants. As a result, research regarding their potential health benefits has received considerable attention in the last several decades. Epidemiological and clinical studies demonstrate that intake of dietary fiber and whole grain is inversely related to obesity, type two diabetes, cancer and cardiovascular disease (CVD). Defining dietary fiber is a divergent process and is dependent on both nutrition and analytical concepts. The most common and accepted definition is based on nutritional physiology. Generally speaking, dietary fiber is the edible parts of plants, or similar carbohydrates, that are resistant to digestion and absorption in the small intestine. Dietary fiber can be separated into many different fractions. Recent research has begun to isolate these components and determine if increasing their levels in a diet is beneficial to human health. These fractions include arabinoxylan, inulin, pectin, bran, cellulose, β-glucan and resistant starch. The study of these components may give us a better understanding of how and why dietary fiber may decrease the risk for certain diseases. The mechanisms behind the reported effects of dietary fiber on metabolic health are not well established. It is speculated to be a result of changes in intestinal viscosity, nutrient absorption, rate of passage, production of short chain fatty acids and production of gut hormones. Given the inconsistencies reported between studies this review will examine the most up to date data concerning dietary fiber and its effects on metabolic health.
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Affiliation(s)
- James M Lattimer
- Department of Human Nutrition, Kansas State University, Manhattan, KS 66506, USA.
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28
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Yoo BK, Chen J. Role of cellulose in protecting Shiga toxin-producing Escherichia coli against osmotic and chlorine stress. J Food Prot 2010; 73:2084-8. [PMID: 21219722 DOI: 10.4315/0362-028x-73.11.2084] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
This study was undertaken to determine the role of cellulose in protecting Shiga toxin-producing Escherichia coli (STEC) against osmotic and chlorine treatments. STEC cells producing cellulose (19B and 49B) and their respective cellulose-deficient counterparts (19D or 49D) were subjected to osmotic (1, 2, and 3 M NaCl) or chlorine (25, 50, and 100 μg/ml sodium hypochlorite) treatments. The survival of STEC cells was determined at different treatment intervals. Populations of 19B cells were significantly higher (P < 0.05) than those of 19D cells at all sampling intervals for the chlorine treatments, at 24- to 48-h intervals for the 1 M NaCl treatment, and at 9- to 48-h intervals for the 2 M NaCl treatment. Significant differences in populations of 49B and 49D cells were observed after 9, 36, and 48 h of treatment with 2 M NaCl and after 3, 12, 36, and 48 h of treatment with 3 M NaCl (P < 0.05). Populations of 49B cells were higher than those of 49D cells (P < 0.05) also after 5 to 10 min of treatment with 50 μg/ml sodium hypochlorite and 3 to 10 min of treatment with 100 μg/ml sodium hypochlorite. The protective effects conferred by cellulose may explain the greater survival of cellulose-producing STEC under adverse environmental conditions.
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Affiliation(s)
- Byong K Yoo
- Department of Food Science and Technology, University of Georgia, Griffin, Georgia 30223, USA
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29
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Tharakan A, Norton I, Fryer P, Bakalis S. Mass Transfer and Nutrient Absorption in a Simulated Model of Small Intestine. J Food Sci 2010; 75:E339-46. [DOI: 10.1111/j.1750-3841.2010.01659.x] [Citation(s) in RCA: 107] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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30
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Abd El-Khalek E, Kalmar ID, Pasmans F, Ducatelle R, Werquin G, Devloo R, Janssens GPJ. The effect of starch gelatinisation degree on intestinal morphology, intestinal pH and bacteriology in pigeons. J Anim Physiol Anim Nutr (Berl) 2010; 95:34-9. [PMID: 20487096 DOI: 10.1111/j.1439-0396.2009.00977.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The effect of starch gelatinisation degree in extruded feed on intestinal morphology, intestinal pH and faecal bacteriology was investigated in pigeons. Extruded complete pigeon diets would offer the principle advantage of providing equilibrated nutrients and energy, but factors such as starch gelatinisation require investigation before these diets are offered as main dietary items to pigeons. Birds were fed two diets with equal ingredient composition and nutrient content, but with a different degree of starch gelatinisation resulting from altered extrusion processing (high gelatinisation degree (HG) with 73.6% gelatinisation vs. low gelatinisation degree (LG) with 53.1% gelatinisation). Feed intake and weight gain changes were measured weekly. Blood samples were collected at day 28 and analysed for non-esterified fatty acids, lactate dehydrogenase and glucose. The pH values for fresh excreta were measured; thereafter fresh excreta were collected and cultured for measurement of colony-forming units for bacterial classes. At the end, morphological measurements were examined and the pH values throughout the gastrointestinal tract were recorded. Liver, pancreas and abdominal fat were weighed. There was a tendency (p= 0.07) towards higher numbers of Escherichia coli in the excreta of the LG group compared with those in the HG group. No dietary treatment effects were noted on the number of Lactobacillus sp. in the excreta. In proximal parts of the intestine, LG revealed a significantly lower pH than HG. Villus height and crypt depth were not affected by dietary treatment, but the duodenum muscularis thickness, liver weight and pancreas weight were significantly lower in the LG than that in HG group. This trial demonstrated that the lower level of starch gelatinisation degree of extruded feed leads to acidification of the proximal gut and altered gut morphology in pigeons. Hence, extruded pigeon diets should preferably contain low-gelatinised starch instead of high-gelatinised starch. In addition, future research must focus on the effects of starch gelatinisation on the correlation between the intestinal pH, microflora content and intestinal morphology.
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Affiliation(s)
- E Abd El-Khalek
- Laboratory of Animal Nutrition, Ghent University, Merelbeke, Belgium
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31
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Hydrolyzed guar gum decreases postprandial blood glucose and glucose absorption in the rat small intestine. Nutr Res 2009; 29:419-25. [DOI: 10.1016/j.nutres.2009.05.013] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2009] [Revised: 05/27/2009] [Accepted: 05/28/2009] [Indexed: 01/21/2023]
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32
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Oku T, Hongo R, Nakamura S. Suppressive effect of cellulose on osmotic diarrhea caused by maltitol in healthy female subjects. J Nutr Sci Vitaminol (Tokyo) 2009; 54:309-14. [PMID: 18797153 DOI: 10.3177/jnsv.54.309] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Using a single-group time-series design, we determined that osmotic diarrhea caused by maltitol ingestion was suppressed by the addition of not only soluble but also insoluble dietary fiber in healthy humans. We then clarified that cellulose delayed gastric emptying in rats. Twenty-seven healthy volunteers ingested maltitol step-wise at doses of 15, 20, 25, 30, 35, 40 and 45 g from small to large amounts. Within that range of ingested amounts, 22 out of 27 subjects experienced osmotic diarrhea from maltitol ingestion, and the minimal dose level of maltitol that induced osmotic diarrhea (MMD) was established for each subject. When 5 g of cellulose was added to the MMD, osmotic diarrhea was suppressed in 13 out of 19 subjects (68.4%), while partially hydrolyzed alginate-Na (PHA-Na), a soluble dietary fiber, suppressed osmotic diarrhea in 10 out of 20 subjects (50.0%). When a mixed solution of cellulose and maltitol was administered to rats, the gastric emptying of maltitol was significantly delayed at 30 and 60 min after administration (p=0.019, p=0.013), respectively. PHA-Na also significantly delayed gastric emptying at 30 min (p=0.013). In conclusion, cellulose can suppress the osmotic diarrhea caused by maltitol ingestion in humans and delay the gastric emptying of maltitol in rats. A new physiological property of cellulose was clarified in this study.
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Affiliation(s)
- Tsuneyuki Oku
- Graduate School of Human Health Science, Siebold University of Nagasaki, Manabino 1-1-1, Nagayo-cho, Nagasaki 851-2195, Japan.
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33
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Han SH, Lee SW, Rhee C. Effect of heat treatment of digestion-resistant fraction from soybean on retarding of bile acid transport in vitro. Nutr Res Pract 2009. [PMCID: PMC2788175 DOI: 10.4162/nrp.2009.3.2.149] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
In this study, we investigated the heat effect of digestion-resistant fraction (RF) from soybean on retarding bile acid transport in vitro. The RFs from soybean retarded bile acid transport. A raw, unheated RF of soybean (RRF-SOY) was significantly more effective than the heated RF of soybean (HRF-SOY). The RS1 which physically trapped in milled grains and inaccessible to digestive enzyme after 18 hrs incubation level of content in RRF-SOY was found to be as high as 24.1% and after heating the RS1 of HRF-SOY was significantly reduced to 16.8%. The X-ray diffraction pattern of RF from soybean was altered after heat treatment. The RFs from soybean were characterized by peak at diffraction angles of 12.0° and 20.0° corresponding to RS content. Cellulose contents of RRF-SOY was 5% higher than that of HRF-SOY and pentosan contents of RRF-SOY was 5% higher than that of HRF-SOY, too. Whereas the hemicellulose content of RRF-SOY was 13% lower than HRF-SOY.
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Affiliation(s)
- Sung-Hee Han
- Institute of Life Science and Natural Resources, Korea University, 1 Anam-dong 5-ka, Sungbuk-gu, Seoul 136-701, Korea
- Present post; Department of Applied Biological Chemistry, Graduate School of Agriculture, Kinki University, 3327-204 Naka-Machi, Nara, Nara 631-8505, Japan
| | - Seog-Won Lee
- Department of Food and Nutrition, Yuhan College, 185-34 Goean-dong, Sosa-gu, Bucheon, Kyeonggi 422-749, Korea
| | - Chul Rhee
- Division of Food Bioscience and Technology, College of Life Sciences and Biotechnology, Korea University, 1 Anam-dong 5-ka, Sungbuk-gu, Seoul 136-701, Korea
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Dikeman CL, Murphy MR, Fahey GC. Diet type affects viscosity of ileal digesta of dogs and simulated gastric and small intestinal digesta. J Anim Physiol Anim Nutr (Berl) 2007; 91:139-47. [PMID: 17355343 DOI: 10.1111/j.1439-0396.2006.00656.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
Two experiments were conducted to determine effects of diet type on viscosity of ileal digesta of dogs and simulated gastric and small intestinal digesta. In experiment 1, three canned and three dry dog foods were surveyed for effects on ileal digesta viscosity. Experiment 2 evaluated the same six diets for effects on simulated gastric and small intestinal digesta. Canned diets and dry diets contained an average 22.7% and 89.9% dry matter (DM) respectively. Concentrations of total dietary fibre (TDF) in the diets ranged from 1.8% to 26.5%. Ileal digesta viscosities ranged from 1326 to 46,641 and 7748 to 10,208 cP for canned and dry treatments respectively. Ileal DM concentrations ranged from 8.2% to 16.2% and 15.4% to 15.8% for canned and dry treatments respectively. Dry matter intake ranged from 224 to 290 and 295 to 325 g/day for canned and dry treatments respectively. During gastric digestion simulation, viscosity peaked at 2 and 4 h for all three canned diets and dry diets respectively. During small intestinal digestion simulation, viscosity peaked between 6 and 12 h for most diets except one canned diet and one dry diet, which contained high concentrations of TDF (25.1% and 26.5% respectively). Viscosity of these solutions peaked between 12 and 18 h. Viscosity of ileal digesta and simulated gastric and small intestinal digesta was the lowest after consumption of canned diets with the exception of the canned diet containing very high concentrations of dietary fibre (25.1% TDF). Ileal digesta viscosity of dogs appears to be responsive to the diet type characteristics.
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Affiliation(s)
- C L Dikeman
- Division of Nutritional Sciences, Department of Animal Sciences, University of Illinois, Urbana, IL 61801, USA
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Dikeman CL, Barry KA, Murphy MR, Fahey GC. Diet and measurement techniques affect small intestinal digesta viscosity among dogs. Nutr Res 2007. [DOI: 10.1016/j.nutres.2006.12.005] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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SAKATA T, SAITO M. Insoluble Dietary Fiber of Wheat Bran Increased Viscosity of Pig Whole Cecal Contents in Vitro. J Nutr Sci Vitaminol (Tokyo) 2007; 53:380-1. [DOI: 10.3177/jnsv.53.380] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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