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Interactions of tea catechins with intestinal microbiota and their implication for human health
Tongtong Guo,Dan Song,Lu Cheng,Xin Zhang 한국식품과학회 2019 Food Science and Biotechnology Vol.28 No.6
Tea catechins have attracted strong interests inpharmacological field for their extensive biological activities;however, their bioavailability in vivo is relativelylow. Recent studies have shown tea catechins can modulatethe composition of intestinal microbiota and help toimprove hosts’ health. Meanwhile, the gut flora plays acrucial role in regulating the production of the metabolitesof tea catechins and their biological activity. Although theactivities of tea catechins to promote intestinal microecologyhave been extensively studied, little is knownabout the two-way phenol-microbial interactions. Thisreview focuses on the modulatory effect of tea catechins onintestinal microbiota as well as the microbial degradationof tea catechins and the metabolites formed. Finally, thepotential effects of tea catechins on chronic intestinalinflammation are emphasized.