Methyl salicylate affects the lipophilic and hydrophilic antioxidant capacities of apricot by regulating carotenoid biosynthesis and phenolic metabolism
文献类型： 外文期刊
作者： Li, Xiulian 1 ; Fan, Xinguang 1 ; Zhuo, Yingjie 3 ; Ma, Jiteng 4 ; Cui, Kuanbo 5 ; Sun, Chanchan 6 ; Guo, Fengjun 7 ;
作者机构： 1.Binzhou Med Univ, Sch Pharm, Yantai 264003, Shandong, Peoples R China
2.Ludong Univ, Coll Food Engn, Yantai 264025, Shandong, Peoples R China
3.Binzhou Med Univ, Yantai Affiliated Hosp, Yantai, Shandong, Peoples R China
4.Inspect & Testing Ctr Muping Dist, Yantai 264199, Shandong, Peoples R China
5.Xinjiang Acad Agr Sci, Agr Mechanizat Inst, Urumqi 830091, Peoples R China
6.Yantai Univ, Coll Life Sci, Yantai 264025, Shandong, Peoples R China
7.Shandong Key Lab Storage & Transportat Technol Ag, Jinan 250103, Shandong, Peoples R China
关键词： Methyl salicylate (MeSA); Lipophilic antioxidant capacity (LAC); Hydrophilic antioxidant capacity (HAC); Carotenoid biosynthesis; Phenolic metabolism
期刊名称：FOOD CHEMISTRY （ 影响因子：9.231； 五年影响因子：8.795 ）
ISSN： 0308-8146
年卷期： 2022 年 385 卷
页码：
收录情况： SCI
摘要： The carotenoid biosynthesis and phenolic metabolism were studied to explain the effect of methyl salicylate (MeSA) on the lipophilic antioxidant capacity (LAC) and hydrophilic antioxidant capacity (HAC) in apricot during postharvest storage. Our results indicated that the HAC of apricot was higher than LAC and mainly responsible for total antioxidant capacity of apricot. Preharvest spraying of MeSA (0.2 mmol L-1) could improve the value of HAC but declined LAC of apricot. The enhanced HAC in MeSA treated apricot was positively related to the increased content of phenolics, especially to (+)-catechin, which was catalyzed by the enzymes related to phenolic metabolism. While, the decline of LAC in apricot treated by MeSA could be attributed to the inhibition of carotenoids accumulation, which was regulated by carotenogenic genes. We concluded that MeSA could affect the lipophilic and hydrophilic antioxidant capacity of apricot by regulating carotenoid biosynthesis and phenolic metabolism.
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