Light radiation promoted stilbene accumulation in peanut sprouts: a response of the reestablishment of oxidant-antioxidant homeostasis

文献类型： 外文期刊

第一作者： Zhu, Tong

作者： Zhu, Tong;Yang, Jinghui;Zhang, Di;Cai, Qinqin;Tu, Kang;Shen, Yi;Tu, Siying

作者机构：

关键词： Light types; Oxidant-antioxidant homeostasis; Peanut sprouts; Stilbenes; UV-C-intensity

期刊名称：ACTA PHYSIOLOGIAE PLANTARUM （ 影响因子：2.354； 五年影响因子：2.711 ）

ISSN： 0137-5881

年卷期： 2021 年 43 卷 10 期

页码：

收录情况： SCI

摘要： The effect of light radiation on stilbene induction and reactive oxygen species (ROS) metabolism of peanut sprouts were explored in this study. Firstly, different types of light sources with same intensity, including white light-emitting diode (LED), UV-A, UV-B and UV-C, were used to radiate peanuts during germination. Results showed contents of stilbenes and total phenolics were significantly promoted by light radiation and different types of stilbene compound were significantly induced in response to different types of light. Secondly, UV-C radiation was selected to treat peanuts with different intensities during germination. Results showed contents of stilbenes, total phenolics, total flavonoids, activity of antioxidant enzymes and phenylalanine ammonia-lyse (PAL) increased significantly with the increasing UV-C intensity. H2O2 showed a remarkable negative correlation with stilbenes, antioxidants, PAL, peroxidase and catalase. Contents of stilbenes and antioxidants of peanut sprouts could be increased by light radiation effectively in the germination process and the underlying inducing mechanism by UV-C radiation was involved with the mediation of oxidant-antioxidant homeostasis.

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