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Abstract Title:

Antioxidant potential and phenolic profile of blackberry anthocyanin extract followed by human gut microbiota fermentation.

Abstract Source:

Food Res Int. 2019 Jun ;120:523-533. Epub 2018 Nov 2. PMID: 31000268

Abstract Author(s):

Vemana Gowd, Tao Bao, Wei Chen

Article Affiliation:

Vemana Gowd

Abstract:

Beneficial properties attributed to the intake of blackberry fruit are associated with the presence of high content of anthocyanins. However, their low absorption and accumulation in the gut have generated the belief that gut metabolites of anthocyanins are probably reason for their protective effects. In this study, blackberry anthocyanins were prepared and subjected to in vitro human gut microbiota fermentation at different time intervals (0-48 h) to study their gut metabolites and antioxidant properties. The content of cyanidin-3-O-glucoside was found highest in blackberry and it degraded completely after 6 h fermentation. Gut metabolites of blackberry anthocyanins were found to improve the glucose consumption and glycogen content significantly in HepG2 cells. Furthermore, gut metabolites significantly ameliorated high glucose plus palmitic acid (HG + PA)-induced ROS, mitochondrial membrane collapse, and glutathione depletion in HepG2 cells. Overall, this study reveals that blackberry anthocyanins subjected to gut microbiota fermentation resulted in the formation of active metabolites with potential antioxidant activity against HG + PA-induced oxidative stress.

Study Type : In Vitro Study

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Sayer Ji
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