Mulberry anthocyanin biotransformation by intestinal probiotics - PubMed (original) (raw)

Mulberry anthocyanin biotransformation by intestinal probiotics

Jing-Rong Cheng et al. Food Chem. 2016.

Abstract

This study was designed to evaluate mulberry anthocyanins bioconversion traits for intestinal probiotics. Five intestinal beneficial bacteria were incubated with mulberry anthocyanins under anaerobic conditions at 37°C, and bacterial β-glucosidase activity and anthocyanin level were determined. Results demonstrated that all strains could convert mulberry anthocyanins to some extent. With high β-glucosidase production capacity, Streptococcus thermophiles GIM 1.321 and Lactobacillus plantarum GIM 1.35 degraded mulberry anthocyanins by 46.17% and 43.62%, respectively. Mulberry anthocyanins were mainly biotransformed to chlorogenic acid, crypto-chlorogenic acid, caffeic acid, and ferulic acid during the anaerobic process. Non-enzymatic deglycosylation of anthocyanins also occurred and approximately 19.42% of the anthocyanins were degraded within 48h by this method.

Keywords: Anthocyanins; Bioconversion; Intestinal beneficial bacteria; Mulberry; Phenolic acids; β-Glucosidase.

Copyright © 2016 Elsevier Ltd. All rights reserved.

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