Bioactivity and influence on colonic microbiota of polyphenols from noni (Morinda citrifolia L.) fruit under simulated gastrointestinal digestion

文献类型： 外文期刊

第一作者： Chen, Juanyun

作者： Chen, Juanyun;Chen, Xiaoai;Zhang, Yanjun;Feng, Zhen;Zhu, Kexue;Xu, Fei;Gu, Chunhe;Chen, Juanyun;Chen, Xiaoai;Zhang, Yanjun;Feng, Zhen;Zhu, Kexue;Xu, Fei;Gu, Chunhe;Chen, Juanyun

作者机构：

关键词： Noni fruit; Ripeness level; Polyphenol; Antioxidant activity; Gut microbiome

期刊名称：FOOD CHEMISTRY-X （ 影响因子：6.1； 五年影响因子：6.4 ）

ISSN： 2590-1575

年卷期： 2024 年 21 卷

页码：

收录情况： SCI

摘要： Noni (Morinda citrifolia L.) is a tropical fruit rich in bioactive compounds. Little is known about its polyphenol composition at different ripeness levels and digestive characteristics. Here, we studied changes in polyphenols and antioxidant activity as noni ripened. Rutin and kaempferol-3-O-rutinoside were found in high amounts in noni, with antioxidant capacity increasing as it ripened. Under simulated digestion, polyphenols were gradually released from the oral to gastrointestinal phases, partially decomposing in the small intestine due to their instability. Conversely, fiber-bound phenols were released during colonic fermentation, leading to high bioaccessible antioxidant activity. Additionally, noni consumption affected the intestinal microbiome by reducing the Firmicutes/Bacteroidetes ratio and increasing bacteria with prebiotic properties like Prevotella and Ruminococcus. These findings demonstrate that polyphenols significantly contribute to the health benefits of noni fruit by providing absorbable antioxidants and improving the structure of the intestinal microbiome.

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