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
作者： Lu, Yanyan 1 ; Chang, Xiaoxiao 3 ; Guo, Xinbo 1 ;
作者机构： 1.South China Univ Technol, Sch Food Sci & Engn, Guangzhou 510641, Guangdong, Peoples R China
2.Overseas Expertise Intro Ctr Discipline Innovat F, Guangzhou 510641, Guangdong, Peoples R China
3.Guangdong Acad Agr Sci, Inst Fruit Tree Res, Guangzhou 510640, Guangdong, Peoples R China
4.Key Lab South Subtrop Fruit Biol & Genet Resource, Guangzhou 510640, Guangdong, Peoples R China
5.Guangdong Prov Key Lab Trop & Subtrop Fruit Tree, Guangzhou 510640, Guangdong, Peoples R China
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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