Issue 9, 2024

Dietary fiber and polyphenols from whole grains: effects on the gut and health improvements

Abstract

Cereals are the main source of energy in the human diet. Compared to refined grains, whole grains retain more beneficial components, including dietary fiber, polyphenols, proteins, vitamins, and minerals. Dietary fiber and bound polyphenols (biounavailable) in cereals are important active substances that can be metabolized by the gut microorganisms and affect the intestinal environment. There is a close relationship between the gut microbiota structures and various disease phenotypes, although the consistency of this link is affected by many factors, and the specific mechanisms are still unclear. Remodeling unfavorable microbiota is widely recognized as an important way to target the gut and improve diseases. This paper mainly reviews the interaction between the gut microbiota and cereal-derived dietary fiber and polyphenols, and also summarizes the changes to the gut microbiota and possible molecular mechanisms of related glycolipid metabolism. The exploration of single active ingredients in cereals and their synergistic health mechanisms will contribute to a better understanding of the health benefits of whole grains. It will further help promote healthier whole grain foods by cultivating new varieties with more potential and optimizing processing methods.

Graphical abstract: Dietary fiber and polyphenols from whole grains: effects on the gut and health improvements

Article information

Article type
Review Article
Submitted
12 фев 2024
Accepted
17 мар 2024
First published
22 мар 2024

Food Funct., 2024,15, 4682-4702

Dietary fiber and polyphenols from whole grains: effects on the gut and health improvements

X. Wei, J. Wang, Y. Wang, Y. Zhao, Y. Long, B. Tan, Q. X. Li, Z. Dong and X. Wan, Food Funct., 2024, 15, 4682 DOI: 10.1039/D4FO00715H

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