肠道微生物降解植物多糖的机制研究进展

doi:10.16431/j.cnki.1671-7236.2023.10.019

Abstract

Abstract: Plant polysaccharides,as a group of structurally complex macromolecular compounds widely found in nature,have a variety of physiological regulatory functions.The intestinal microbiota is able to metabolize polysaccharides that the host itself cannot digest and has a reciprocal symbiotic relationship with the host.Polysaccharides entering the gut are important factors influencing the physiological state and composition of the intestinal microbiota,and the degradation of non-starch polysaccharides in plants by intestinal microbiota can significantly modulate the composition and structure of the intestinal microbiota and intestinal health.Different intestinal symbiotic bacteria have different preferences for polysaccharides entering the intestinal tract,and the degradation pathways are complex and diverse.The authors briefly introduce the types of non-starch polysaccharides in plants,summarize the effects of plant polysaccharides on the intestinal environment,review the intestinal microbiota that can degrade non-starch polysaccharides in plants and their specific degradation mechanisms,and introduce the various plant polysaccharide degradation systems of representative intestinal microbiota,with a view to providing a theoretical basis for subsequent functional studies of intestinal microbiota in polysaccharide degradation and the development and utilization of novel microecological agents.

Key words: plant polysaccharides; intestinal microbiota; polysaccharide degradative mechanism

CLC Number:

MO Qianyuan, XIAO Deqin, ZHU Yongwen, YANG Lin, WANG Wence. Research Progress in the Mechanism of Degradation of Plant Polysaccharides by Intestinal Microorganisms[J]. China Animal Husbandry and Veterinary Medicine, 2023, 50(10): 4058-4069.

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Research Progress in the Mechanism of Degradation of Plant Polysaccharides by Intestinal Microorganisms

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