Tailoring the composition, antioxidant activity, and prebiotic potential of apple peel by Aspergillus oryzae fermentation
文献类型: 外文期刊
作者: Jianting Li;Fayin Ye;Yun Zhou;Lin Lei;Jia Chen;Sheng Li;Guohua Zhao
作者机构:
关键词: Dietary fiber;Gut microbiota;Pectin substances;Polyphenols;Short chain fatty acid
期刊名称: Food Chemistry: X
ISSN: 2590-1575
年卷期: 2024 年 21 卷
页码:
收录情况: SCIE(2024版) ; ; EI(2024版)
摘要: Apple peel is a typical lignocellulosic food by-product rich in functional components. In this work, apple peel was solid-state fermented with Aspergillus oryzae with an aim to modulate its composition and bioactivity. The results showed that A. oryzae fermentation substantially tailored the composition, improved the antioxidant activity and prebiotic potential of apple peel. Upon the fermentation, 1) free phenolics increased and antioxidant activity improved; 2) the pectin substances degraded significantly, along with a decrease in soluble dietary fiber while an increase in insoluble dietary fiber; 3) the in vitro fermentability increased as indicated by the increase in total acid production. The gut microbiota was shaped with more health-promoting potentials, such as higher abundances of Lactobacillus, Bifidobacterium, Megamonas and Prevotella-9 as well as lower abundances of Enterobacter and Echerichia-Shigella. This work is conducive to the modification of apple peel as a potential ingredient in food formulations.
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