Phenolics in Citrus aurantium fruit identified by UHPLC-MS/MS and their bioactivities

文献类型： 外文期刊

第一作者： Wen, Lingrong

作者： Wen, Lingrong;He, Mingyang;Yin, Chunxiao;Jiang, Yueming;Yang, Bao;He, Mingyang;Luo, Donghui;Luo, Donghui

作者机构：

关键词： Antioxidant activity; Fruit; Methoxylated flavonoid; Neuroprotective activity; Sour orange

期刊名称：LWT-FOOD SCIENCE AND TECHNOLOGY （ 影响因子：4.952； 五年影响因子：5.383 ）

ISSN： 0023-6438

年卷期： 2021 年 147 卷

页码：

收录情况： SCI

摘要： Sour orange (Citrus aurantium) is a popular fruit with health benefits. Phenolics are the dominant bioactive compounds in this fruit. However, the full phenolics composition remains unclear. In this work, UHPLC-MS/MS was used to qualify and quantify the phenolics in sour orange fruits of cv. Morocco (MSO) and United (USO). Fifty-eight phenolics, including 26 flavonoid glycosides, 22 polymethoxylated flavonoids, 8 coumarins and 2 phenolic acids, were identified. Four limonoids were characterized. Flavonoid glycosides were the leading phenolics in MSO, while polymethoxylated flavonoids (including nobiletin, tangeritin and sinensetin) were dominant in USO. The phenolic extracts showed good antioxidant activities. USO extract had a significantly (p < 0.05) stronger neuroprotective activity than MSO extract. Auraptene, nobiletin and tangeritin were highly responsible for the neuroprotective activity. The results were helpful for the development of functional foods with sour orange.

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