The behavior of dietary fibre in the gastrointestinal tract determines its physiological effect

Edoardo Capuano*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

67 Citations (Scopus)

Abstract

A diet rich in dietary fibre (DF) is considered healthy and recommended dietary intake of DF are established all over the world. The physiological effect of DF is mostly related to its behaviour during digestion. In this review the behaviour of DF in the human digestive tract is discussed and linked to its physiological effect with special attention to four aspects of such behaviour: i) the modulation of bioavailability by the plant cell walls, ii) the effect of DF on the rheological and colloidal state of digesta iii) the binding of DF with phenolic compounds, bile salts, mineral ions and digestive enzymes and iv) DF fermentation in the large intestine and the corresponding effect on microbiota composition. It is stressed that the detailed chemical characterization of DF is crucial to explain its effect on health and that DF behaviour in the digestive tract can be modulated by interactions with other food and meal components so that information of the bare content in DF of food is not sufficient to predict its physiological effect
Original languageEnglish
Pages (from-to)3543-3564
JournalCritical Reviews in Food Science and Nutrition
Volume57
Issue number16
DOIs
Publication statusPublished - 2017

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