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Prebiotic inulin‐type fructans and galacto‐oligosaccharides: definition, specificity, function, and application in gastrointestinal disorders

Open access
Wilson, Bridgette, Whelan, Kevin·2017·Journal of Gastroenterology and Hepatology

Abstract

Prebiotics are non‐digestible selectively fermented dietary fibers that specifically promote the growth of one or more bacterial genera in the gastrointestinal tract and thus provide health benefit to the host. The two most investigated prebiotics being the inulin‐type fructans and galacto‐oligosaccharides. Prebiotic specificity is mediated through species‐specific gene clusters within saccharolytic bacteria controlled by signaling sensors for various substrates. Prebiotic health benefits are attributed to immune regulation and bacterial metabolite production. In humans, prebiotic supplementation leads to increased growth of specific gut microbiota (e.g., bifidobacteria), immune modulation, and depending on the bacterial augmentation, short‐chain fatty acid production. Irritable bowel syndrome and Crohn's disease are gastrointestinal disorders associated with reductions in some gut bacteria and greater mucosal inflammation. Prebiotic supplementation studies have shown some promise at low doses for modulation of the gut bacteria and reduction of symptoms in IBS; however, larger doses may have neutral or negative impact on symptoms. Studies in Crohn's disease have not shown benefit to bacterial modulation or inflammatory response with prebiotic supplementation. Dietary restriction of fermentable carbohydrates (low FODMAP diet), which restricts some naturally occurring prebiotics from the diet, has shown efficacy in improving symptoms in irritable bowel syndrome, but it lowers the numbers of some key gut microbiota. Further research is required on the effect of prebiotics in gastrointestinal disorders and, in particular, on their use in conjunction with the low FODMAP diet.

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Metadata

Authors
Wilson, B., & Whelan, K.
Venue
Journal of Gastroenterology and Hepatology
Publisher
Wiley
Published
2017-02-28
Volume
32
Issue
S1
Pages
64-68
ISSN
  • 0815-9319 (ISSN-L)
  • 1440-1746
OpenAlex
W2597147518
Cited by
321
References
9
FWCI
22.69
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Prebiotic inulin‐type fructans and galacto‐oligosaccharides: definition, specificity, function, and application in gastrointestinal disorders. https://app.cochat.ai/papers/10.1111/jgh.13700
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Wilson, B., & Whelan, K. (2017). Prebiotic inulin‐type fructans and galacto‐oligosaccharides: definition, specificity, function, and application in gastrointestinal disorders. Journal of Gastroenterology and Hepatology. https://doi.org/10.1111/jgh.13700

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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.