Trapping of reactive carbonyl species by fiber-bound polyphenols from whole grains under simulated physiological conditions
文献类型： 外文期刊
作者： Li, Jinxin 1 ; Zhang, Hao 2 ; Yang, Xijuan 3 ; Zhu, Ling 1 ; Wu, Gangcheng 1 ; Qi, Xiguang 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.Qinghai Acad Agr & Forestry Sci, Tibetan Plateau Key Lab Agr Prod Proc, Xining 810000, Peoples R China
4.Jiangnan Univ, Sch Food Sci & Technol, 1800 Lihu Ave, Wuxi 214122, Peoples R China
关键词： Bound phenolic compounds; Insoluble dietary fiber; Methylglyoxal; Glyoxal; Acrolein; Malondialdehyde; Carbonyl trapping capacity
期刊名称：FOOD RESEARCH INTERNATIONAL （ 影响因子：7.425； 五年影响因子：7.716 ）
ISSN： 0963-9969
年卷期： 2022 年 156 卷
页码：
收录情况： SCI
摘要： The carbonyl trapping activity of bound-polyphenol rich insoluble dietary fiber (BP-IDF) from different whole grains and underlying mechanism of these BP-IDF actions were studied under simulated physiological conditions. We found that the black highland barley BP-IDF exhibited the most pronounced effect in scavenging carbonyls by trapping 88.7%, 72.2%, 95.7%, and 31.4% for methylglyoxal, glyoxal, acrolein, and malondialdehyde within 24 h, respectively. After vitro gastrointestinal digestion, the black highland barley BP-IDF still retained considerable trapping activity for carbonyls. The carbonyl scavenging capacity was reduced by up to 93% after removing bound polyphenols from the black highland barley BP-IDF, which was consistent with the reduction in its total phenolic content. Moreover, the formation of adducts between reactive carbonyl species (RCS) and polyphenols bound to insoluble dietary fiber (IDF) was also detected. Overall, these findings confirmed that IDF-bound polyphenols were still active to trap RCS, indicating the potential benefits of BP-IDF from whole grains as functional ingredients to limit carbonyl stress across the gastrointestinal tract.
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