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. 2019 Sep;18(5):1514-1532.
doi: 10.1111/1541-4337.12489. Epub 2019 Aug 23.

Dietary Fibers from Fruits and Vegetables and Their Health Benefits via Modulation of Gut Microbiota

Jiefen Cui  1 , Yunhe Lian  2 , Chengying Zhao  1 , Hengjun Du  3 , Yanhui Han  3 , Wei Gao  2 , Hang Xiao  3 , Jinkai Zheng  1
Affiliations

Dietary Fibers from Fruits and Vegetables and Their Health Benefits via Modulation of Gut Microbiota

Jiefen Cui et al. Compr Rev Food Sci Food Saf. 2019 Sep.

Abstract

Dietary fibers (DFs) regulate host health through various mechanisms related to their dietary sources, specific physicochemical structures, fermentability, and physiological properties in the gut. Considering the numerous types and sources of DFs and their different physicochemical and physiological properties, it is challenging yet important to establish the key mechanisms for the beneficial health effects of DFs. In this review, the types and structures of DFs from different fruits and vegetables were summarized and the effects of different processing methods on DF properties were discussed. Moreover, the impacts of DFs on gut microbial ecology, host physiology, and health were described. Understanding the complex interaction between different DFs and gut microbiota is vital for personalized nutrition. It is also important to comprehend factors influencing gut microbiota and strategies to regulate the microbiota, thereby augmenting beneficial health responses. The exploration of molecular mechanism linking DFs, gut microbiota, and host physiology may allow for the identification of effective targets to fight against major chronic diseases.

Keywords: dietary fiber; fruits and vegetables; gut microbiota; host health; short-chain fatty acids.

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