Methylglyoxal scavenging capacity of fiber-bound polyphenols from highland barley during colonic fermentation and its modulation on methylglyoxal-interfered gut microbiota
文献类型： 外文期刊
作者： Li, Jinxin 1 ; Zhang, Hao 2 ; Liu, Wei 3 ; Yang, Xijuan 4 ; Zhu, Ling 1 ; Wu, Gangcheng 1 ; Zhang, Hui 1 ;
作者机构： 1.Jiangnan Univ, Natl Engn Res Ctr Funct Food, Collaborat Innovat Ctr Food Safety & Qual Control, Sch Food Sci & Technol, Wuxi 214122, Peoples R China
2.Henan Univ Technol, Sch Food Sci & Engn, Lipid Technol & Engn, Zhengzhou 450001, Peoples R China
3.Zhejiang Acad Agr Sci, Inst Plant Protect & Microbiol, State Key Lab Managing Biot & Chem Threats Qual &, Hangzhou 310021, Peoples R China
4.Qinghai Univ, Tibetan Plateau Key Lab Agr Prod Proc, Xining 810000, Peoples R China
5.Jiangnan Univ, Sch Food Sci & Technol, 1800 Lihu Ave, Wuxi 214122, Peoples R China
关键词： Bound phenolic compounds; Methylglyoxal; Gut microbiota; Colonic fermentation; Scavenging capacity
期刊名称：FOOD CHEMISTRY （ 影响因子：8.8； 五年影响因子：8.6 ）
ISSN： 0308-8146
年卷期： 2024 年 434 卷
页码：
收录情况： SCI
摘要： Methylglyoxal (MGO) scavenging capacity of fiber-bound polyphenols from highland barley during colonic fermentation and its potential role in modulating MGO-induced detrimental effects on gut microbiota were studied. Results showed that only 25.3 % of polyphenols were released after 24 h of colonic fermentation. More than 45.5 % of MGO was scavenged by the residual fiber-bound polyphenols in the model system, showing a vital role in scavenging MGO in the colonic lumen compared to the released polyphenols. Moreover, MGO promoted the increase of gut pathogens (Escherichia-Shigella and Klebsiella) and inhibited the proliferation of Megasphaera, Bifidobacterium and Megamonas, as well as reduced short-chain fatty acids (SCFAs) concentration. The addition of fiber-bound polyphenols of highland barley could effectively counteract MGO-induced detrimental consequences on gut microbiota and SCFAs production. These results demonstrate that fiber-bound polyphenols from highland barley can exert beneficial role through scavenging MGO and promises to be a functional ingredient to maintain colon heath.
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