Effect of in vitro gastro-intestinal digestion on the phenolic composition and antioxidant capacity of Burdock roots at different harvest time
文献类型： 外文期刊
第一作者： Herrera-Balandrano, Daniela D.
作者： Herrera-Balandrano, Daniela D.;Chai, Zhi;Zhang, Xiaoxiao;Li, Ying;Huang, Wuyang;Herrera-Balandrano, Daniela D.;Beta, Trust;Zhang, Xiaoxiao;Huang, Wuyang
作者机构：
关键词： Burdock root; In vitro digestion; Bioaccessibility; Chlorogenic acids; HPLC-ESI-MS; Antioxidant capacity
期刊名称：FOOD CHEMISTRY （ 影响因子：7.514； 五年影响因子：7.516 ）
ISSN： 0308-8146
年卷期： 2021 年 358 卷
页码：
收录情况： SCI
摘要： The current study aimed to evaluate how the harvest time affects the phenolic composition in Burdock root flours (BRF) and how these phenolics are influenced by the gastro-intestinal digestive environment. Burdock roots were harvested in 2020 in Jiangsu Province in June (B1), July (B2) and August (B3). The main phenolic, 5-O-caffeoylquinic acid (5-CQA) decreased after in vitro digestion from 1.14 to 0.22 mg/g (B1 < B2 < B3). Total phenolic content of BRF was 61% lower after in vitro digestion whereas 5-CQA bioaccessibility remained at about 60%. Twelve other phenolic compounds were tentatively identified after in vitro digestion. An average reduction in antioxidant capacity of 27% and 10% was observed for DPPH and ABTS, respectively. In conclusion, data demonstrated that phenolic composition, bioaccessibility and antioxidant capacity of Burdock roots harvested at different times were subject to the influence of in vitro gastrointestinal digestion.
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