期刊
POSTHARVEST BIOLOGY AND TECHNOLOGY
卷 178, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.postharvbio.2021.111558
关键词
Lycium barbarum L.; Salicylic acid; Phenylpropanoid pathway; ROS metabolism; Secondary metabolites
资金
- Scientific Research Foundation of Higher Education Institutions of Ningxia [NGY2018161]
- Natural Science Foundation of Ningxia [NZ16087]
The study reveals that salicylic acid can inhibit the rot of goji fruit during storage by mediating the antioxidant system and phenylpropanoid metabolism.
Goji berry is a perishable fruit after harvest. To explore the biochemical and molecular mechanisms by which salicylic acid (SA) suppresses rot in goji berry, the fruit was treated with SA and stored for 30 d. Compared with the control, the SA-treated fruit showed smaller lesion areas during storage at 20 degrees C. During storage at 0 degrees C, the O-2((center dot) over bar) production and H2O2 levels were lower in SA-treated fruit, although the H2O2 content was higher at the beginning of storage. SA induced the activities and gene expressions of the key proteins (SOD, CAT, APX and POD) associated with redox homeostasis. Simultaneously, the activities and gene expressions of PAL, C4H, 4CL, CHS, CHI and CAD in phenylpropanoid metabolism was activated. Moreover, the production of chlorogenic acid, ferulic acid, p-coumaric acid, sinapic acid, protocatechuic acid, naringenin, and rutin were stimulated to maintain the higher levels by the most effective SA treatment (2 mmol L-1). The results indicate that SA inhibits rot of goji fruit during storage by mediating the antioxidant system and phenylpropanoid metabolism.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据