| 1-甲基环丙烯对采后南果梨果实软化的影响 |
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| 引用本文： | 张梦媛,白琳,吕静祎,葛永红,王文辉,张俊虎,李灿婴,孟坤,励建荣.1-甲基环丙烯对采后南果梨果实软化的影响[J].食品科学,2018,39(17):206-211. |
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| 作者姓名： | 张梦媛 白琳 吕静祎 葛永红 王文辉 张俊虎 李灿婴 孟坤 励建荣 |
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| 作者单位： | 1.渤海大学食品科学与工程学院，辽宁省食品安全重点实验室，生鲜农产品贮藏加工与安全控制技术国家地方联合工程研究中心，辽宁 锦州 121013；2.中国农业科学院果树研究所，辽宁 兴城 125100 |
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| 基金项目： | 国家自然科学基金青年科学基金项目（31501537）；渤海大学博士科研启动金项目（0515bs033-1） |
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| 摘 要： | 以南果梨果实为材料，研究1 μL/L 1-甲基环丙烯（1-methylcyclopropene，1-MCP）处理对其采后常温 （23±1）℃贮藏过程中软化的影响。结果表明：与对照组相比，1-MCP处理能推迟乙烯高峰的出现并降低其峰 值，减缓果实硬度的下降与丙二醛含量的上升，有效抑制纤维素酶、多聚半乳糖醛酸酶、果胶甲酯酶及淀粉酶活力 的增加，减缓可溶性果胶质量分数的增加，同时延缓纤维素、原果胶及淀粉质量分数的下降。因此，1-MCP处理能 有效减缓采后南果梨果实的软化进程，延长其贮藏时间。
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| 关 键 词： | 南果梨 1-甲基环丙烯 软化 采后贮藏 |
Effect of 1-Methylcyclopropene on the Postharvest Softening of Nanguo Pear Fruits |
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| ZHANG Mengyuan,BAI Lin,Lü Jingyi,GE Yonghong,WANG Wenhui,ZHANG Junhu,LI Canying,MENG Kun,LI Jianrong.Effect of 1-Methylcyclopropene on the Postharvest Softening of Nanguo Pear Fruits[J].Food Science,2018,39(17):206-211. |
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| Authors: | ZHANG Mengyuan BAI Lin Lü Jingyi GE Yonghong WANG Wenhui ZHANG Junhu LI Canying MENG Kun LI Jianrong |
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| Affiliation: | 1. Food Safety Key Laboratory of Liaoning Province, National & Local Joint Engineering Research Center of Storage, Processing and Safety Control Technology for Fresh Agricultural and Aquatic Products, College of Food Science and Engineering, Bohai University, Jinzhou 121013, China; 2. Institute of Pomology, Chinese Academy of Agricultural Sciences, Xingcheng 125100, China |
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| Abstract: | The effect of 1 μL/L 1-methylcyclopropene (1-MCP) on the softening of Nanguo pear fruits during postharvest storage at room temperature (23 ± 1) ℃ was studied. The results showed that 1-MCP treatment delayed the occurrence of ethylene peak and decreased its peak value, slowed down the decrease in fruit firmness and the increase in malondialdehyde content, significantly inhibited the activities of cellulase, polygalacturonase, pectin methyl esterase and amylase, retarded the increase in soluble pectin content, and simultaneously delayed the decrease in cellulose, protopectin and starch contents. Therefore, 1-MCP treatment could effectively slow down the softening process of postharvest Nanguo pear fruits and prolong its storage life. |
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| Keywords: | Nanguo pear 1-methylcyclopropene softening postharvest storage |
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