Mechanistic insights into the digestion resistance of wheat starch upon complexation with peanut skin polyphenols
文献类型： 外文期刊
第一作者： Feng, Mengshi
作者： Feng, Mengshi;Feng, Yaming;Zhang, Shuanglin;Ding, Bin;Xu, Lujing;Wang, Ziyin;Lu, Yifei;Teng, Cong;Ma, Kaiyang;Hu, Xindi;Li, Ying
作者机构：
关键词： Peanut skin polyphenols; Wheat starch; Digestibility; Ordered structure; Enzyme inhibitory activity
期刊名称：FOOD CHEMISTRY （ 影响因子：9.8； 五年影响因子：9.7 ）
ISSN： 0308-8146
年卷期： 2025 年 484 卷
页码：
收录情况： SCI
摘要： Modification with peanut skin polyphenols (PPs) may retard starch digestion, while the modulation mechanism and the primary factor responsible for digestion resistance are unclear. In this work, polyphenols from red, white, and black peanut skins, which labeled as RPPs, WPPs, and BPPs, were utilized to form complexes with wheat starch (WS). The eGI displayed a downward trend after complexation, with specific values of 79.9, 77.4, and 76.9 for WS-RPPs, WS-WPPs, and WS-BPPs, respectively. The content of the short-range ordered structure showed an increase. And the total crystallinity also increased and sequenced as WS-BPPs (3.91 %) > WS-RPPs (3.45 %) > WS-WPPs (3.44 %). Meanwhile, PPs released during digestion suppressed the alpha-amylase activity. The correlation and stepwise regression analyses unveiled that enzyme inhibitory activity of released PPs was key to the indigestibility of WS-PPs complexes. This work provides new insights into the association among ordered structures, enzyme inhibitory activity, and starch digestion resistance.
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