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1-MCP处理对库尔勒香梨常温保绿效果和果实内在品质的影响

文献类型: 中文期刊

作者: 于宛婷;杭博;张鑫楠;杜艳民;王文辉;贾晓辉

作者机构:

关键词: 库尔勒香梨;1-MCP;常温贮藏;保绿;内在品质

期刊名称:中国果树

ISSN: 1000-8047

年卷期: 2023 年 10 期

页码:

收录情况: 北大核心(2020版) ; ; 科技核心(2023版) ; ; 农林核心(2020版)

摘要: 以库尔勒香梨为试材,研究1-MCP处理对果实常温贮藏[(20±1)℃]的保绿效果和内在品质的影响.结果表明:随着贮藏时间的延长,库尔勒香梨果皮颜色逐渐褪绿转黄,果实硬度和可溶性固形物、可滴定酸、维生素C含量均呈下降趋势.1-MCP处理的L*值和b*值均低于对照,h.值高于对照,贮藏第20~30 d,a*值低于对照.1-MCP处理抑制了可滴定酸、维生素C含量的下降速率,推迟了库尔勒香梨常温贮藏期间的呼吸高峰,并显著抑制乙烯释放速率.贮藏第30d,1-MCP处理种子颜色指数低于对照,果柄保鲜指数在整个贮藏期间均高于对照,果皮和果心相对电导率始终低于对照.相关性分析结果表明,贮藏期间果实乙烯释放速率与贮藏天数、果皮颜色(L*、a*、b*值)均呈显著正相关,与h.值、果柄保鲜指数均呈显著负相关;果柄保鲜指数与贮藏天数、a*值呈显著或极显著负相关,与h.值呈显著正相关.综上,采用1.0μL/L1-MCP熏蒸处理12h,能够维持库尔勒香梨常温贮藏下的果皮绿色和果实内在品质,有效延长常温贮藏寿命.

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