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Article Publish Status: FREE
Abstract Title:

Antioxidant andα-glucosidase inhibitory capacity of nonextractable polyphenols in Mopan persimmon.

Abstract Source:

Food Sci Nutr. 2020 Oct ;8(10):5729-5737. Epub 2020 Sep 12. PMID: 33133574

Abstract Author(s):

Chang Zhou, Kemin Mao, Jiao Li, Jie Gao, Xiaoyu Liu, Yaxin Sang

Article Affiliation:

Chang Zhou

Abstract:

This study was to evaluate and compare the polyphenols contents, antioxidant capacities, andα-glucosidase inhibitory abilities of extractable and nonextractable polyphenols (EP and NEP) in Mopan persimmon. The results showed that total phenols content of NEP was 5 times higher than that of EP, and the hydrolyzed NEP compounds displayed higher antioxidant capacity than EP in vitro by DPPH,ORAC assays. Meanwhile, NEP also exhibited inhibition capacity of α-glucosidase and were higher than that of acarbose. In addition, an in vitro model of gastrointestinal digestion was used for the release of NEP, the polyphenols content and ORAC values were obviously increased in gastric digestionstage. The result indicated that NEP in Mopan persimmon, which has often been overlooked and discarded in the past, possessed higher polyphenols content and antioxidant capacity than EP.

Study Type : In Vitro Study

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Sayer Ji
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