Paper-containing 1-methylcyclopropene treatment suppresses fruit decay of fresh Anxi persimmons by enhancing disease resistance  

作　　者：Lingzhen Zeng Lili Shi Hetong Lin Yuzhao Lin Yixiong Lin Hui Wang 曾玲珍;施莉丽;林河通;林育刻;林毅雄;王慧(Institute of Postharvest Technology of Agricultural Products,College of Food Science,Fujian Agriculture and Forestry University,Fuzhou,China;Key Laboratory of Postharvest Biology of Subtropical Special Agricultural Products(Fujian Agriculture and Forestry University),Fujian Province University,Fuzhou,China)

机构地区：[1]Institute of Postharvest Technology of Agricultural Products,College of Food Science,Fujian Agriculture and Forestry University,Fuzhou,China [2]Key Laboratory of Postharvest Biology of Subtropical Special Agricultural Products(Fujian Agriculture and Forestry University),Fujian Province University,Fuzhou,China

出　　处：《Food Quality and Safety》2021年第1期102-109,共8页食品品质与安全研究（英文版）

基　　金：funded by the Science and Technology Project of Finance Department of Fujian Province,China(KLe16002A,KLe16H01A).

摘　　要：Objectives:The purpose of this work was to evaluate the potential application of papers containing 1-methylcyclopropene(1-MCP)postharvest treatment for suppressing fruit decay of fresh Anxi persimmons and its possible mechanism.Materials and methods:Anxi persimmon fruit were treated with papers containing 1-MCP at the dosage of 1.35μL/L and stored at(25±1)℃and 85 per cent relative humidity for 35 days.During storage,the fruit decay rate and lignin content were evaluated,and the content of total phenolics,the activities of phenylalanine ammonia lyase(PAL),polyphenol oxidase(PPO),peroxidase(POD),chitinase(CHI),and p-1,3-glucanase(GLU)were determined by spectrophotometry.Results:The 1-MCP-treated persimmons displayed a lower fruit decay rate,but higher contents of lignin and total phenolics,higher activities of PAL,PPO,POD,CHI,and GLU.Conclusions:The treatment with 1-MCP could inhibit the fruit decay of postharvest Anxi persimmons,which might be because 1-MCP enhanced fruit disease resistance by increasing the activities of disease resistance-associated enzymes and retaining higher contents of disease resistance-related substances in postharvest fresh Anxi persimmons.These findings indicate that papers containing 1-MCP at the dosage of 1.35μL/L have potential application in suppressing fruit decay and extending storage life of postharvest fresh Anxi persimmons.

关 键 词：1-Methylcyclopropene Anxi persimmon fruit decay disease resistance LIGNIN total phenolics 

分 类 号：TS255.3[轻工技术与工程—农产品加工及贮藏工程]