Dynamic Changes of Ascorbic Acid, Phenolics Biosynthesis and Antioxidant Activities in Mung Beans (Vigna radiata) until Maturation

文献类型： 外文期刊

第一作者： Lu, Yanyan

作者： Lu, Yanyan;Guo, Xinbo;Lu, Yanyan;Guo, Xinbo;Chang, Xiaoxiao;Chang, Xiaoxiao;Chang, Xiaoxiao

作者机构：

关键词： legume development; secondary metabolites; gene expression; antioxidant activity

期刊名称：PLANTS-BASEL （ 影响因子：3.935； ）

ISSN： 2223-7747

年卷期： 2019 年 8 卷 3 期

页码：

收录情况： SCI

摘要： To better understand the regulatory mechanism of phenolics and ascorbic acid accumulation as well as antioxidant activities in mung beans during legume development, the gene expression profiles of 25 key-coding genes in ascorbic acid and phenolics metabolic pathways were analyzed. As well as the dynamitic changes of ascorbic acid, phenolic profiles and antioxidant activities with legume development were studied. The results indicated that gene expression profiles were closely related to the ascorbic acid and phenolics accumulation regularity during legume development. (Vr)VTC2 and (Vr)GME played important roles for ascorbic acid accumulation from 8 to 17 days after flowering (DAF). (Vr)PAL and VrCHS exhibited positive correlations with daidzein and glycitin accumulation, and VrIFS had a strong positive correlation with glycitin biosynthesis. Antioxidant activities dramatically increased during mung bean maturing, which were significantly related to ascorbic acid and phenolics accumulation. Eight days after flowering was the essential stage for ascorbic acid and phenolics biosynthesis in mung beans.

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