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
作者： Zhu, Tong 1 ; Yang, Jinghui 1 ; Zhang, Di 1 ; Cai, Qinqin 1 ; Shen, Yi 2 ; Tu, Siying 3 ; Tu, Kang 1 ;
作者机构： 1.Nanjing Agr Univ, Coll Food Sci & Technol, 1 Weigang Rd, Nanjing 210095, Peoples R China
2.Jiangsu Acad Agr Sci, Inst Ind Crops, Nanjing 210014, Peoples R China
3.Univ Western Australia, Sch Biomed Sci, Perth, WA 6009, Australia
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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