In vitro fermentation of O-acetyl-arabinoxylan from bamboo shavings by human colonic microbiota
文献类型： 外文期刊
作者： Huang, Juqing 1 ; Wang, Qi 1 ; Xu, Qingxian 1 ; Zhang, Ying 3 ; Lin, Bin 1 ; Guan, Xuefang 1 ; Qian, Lei 1 ; Zheng, Yi 1 ;
作者机构： 1.Fujian Acad Agr Sci, Inst Agr Engn, Fuzhou 350003, Fujian, Peoples R China
2.Fujian Key Lab Agr Prod Food Proc, Fuzhou 350003, Fujian, Peoples R China
3.Zhejiang Univ, Sch Biosyst Engn & Food Sci, Dept Food Sci & Nutr, Hangzhou 310058, Zhejiang, Peoples R China
关键词： O-acetyl-arabinoxylan from bamboo shavings; In vitro fermentation by human colonic microbiota; Short-chain fatty acids
期刊名称：INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES （ 影响因子：6.953； 五年影响因子：6.737 ）
ISSN： 0141-8130
年卷期： 2019 年 125 卷
页码：
收录情况： SCI
摘要： BSH-1 is an O-acetyl-arabinoxylan obtained from bamboo shavings. This study investigated its fermentation behavior by human colonic microbiota in vitro. Results showed that BSH-1 remarkably modulated the composition of human colonic microbiota, mainly by increasing the growth of potential beneficial genera (i.e. Bifidobacterium, Lactobacillus, Bacteroides, Prevotella_7, Parabacteroides) and by decreasing the growth of potential harmful genera (i.e. Fusobacterium, Lachnospiraceae_UCG-008, Bilophila and Desulfovibrio). BSH-1 significantly promoted the production of short-chain fatty acids, especially acetic, propionic and n-butyric acids. After 48 h fermentation, the concentration of n-butyric acid in BSH-1 fermentation culture was increased by 2.41 times compared to the blank. During fermentation, the activity of acetyl xylan esterase, arabinofuranosidase, xylanase and xylosidase was enhanced. Moreover, free arabinose, xylose, xylobiose, xylotriose, xylotetraose, xylopentaose and xylohexaose were detected. These results suggest that BSH-1 could potentially be a functional ingredient to improve gut health. (C) 2018 Published by Elsevier B.V.
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