1-MCP处理对“美国8号”苹果采后生理的影响  

EFFECTS OF 1-MCP ON POSTHARVEST PHYSIOLOGY OF‘AMERICA NO.8'APPLE IN STORAGE

作　　者：王小会[1] 任小林[1] 孙芳娟[1] 张晓平[1] 

机构地区：[1]西北农林科技大学园艺学院,陕西杨凌712100

出　　处：《食品研究与开发》2007年第2期144-147,共4页Food Research and Development

摘　　要：以“美国8号”苹果为试材,研究了0℃贮藏条件下1-MCP(1-甲基环丙烯)处理对果实采后生理的影响。结果表明:1μL/L1-MCP处理可显著抑制贮藏期间果实乙烯释放量,延缓其跃变高峰的出现,推迟ACO(ACC氧化酶)活性高峰及呼吸跃变峰的出现,抑制采后初期ACO活性及呼吸速率的上升;减缓果肉硬度下降;同时降低脂氧合酶(LOX)活性,并延迟其峰值的出现,延缓了丙二醛(MDA)含量和相对膜透性的升高,从而降低膜脂过氧化程度。结果表明:1-MCP可显著改善其贮藏品质。Experiments were conducted to study effects of 1-MCP on postharvest physiology of ‘America No.8＇ apple during the storage at 0℃ . The results showed that 1-MCP significantly decreased the ethylene production, delayed the ethylene peak, ACO （ACC oxidase） activity peak and the respiration peak, and inhibited ACO activity in the early postharvest and respiration rate; and decreased the loss of fruit firmness. In the meantime, it also decreased LOX activity and delayed LOX activity peak, slowed down the increase of MDA content and the relative membrane permeability, reduced the peroxide action of membrane lipids. The result suggest that 1-MCP could significantly improve the storage quality.

关 键 词：苹果 1-甲基环丙烯(1-MCP) 采后生理 品质 

分 类 号：TS255[轻工技术与工程—农产品加工及贮藏工程]