1-MCP和乙烯利处理对采后‘金冠’苹果常温贮藏过程中生理变化及活性氧代谢的影响

吕静祎; 周影; 葛永红; 李灿婴; 张梦媛

doi:10.13386/j.issn1002-0306.2017.05.056

1-MCP和乙烯利处理对采后‘金冠’苹果常温贮藏过程中生理变化及活性氧代谢的影响

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及安全控制技术国家地方联合工程研究中心

基金项目:

国家自然科学基金青年科学基金项目(31501537,31401554)；渤海大学博士科研启动金项目(0515bs033-1)；

详细信息

作者简介:
吕静祎 (1986-) , 女, 博士, 讲师, 研究方向:果蔬采后生物学与贮藏保鲜, E-mail:jingyi.lv@foxmail.com。;

中图分类号: TS255.3
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- 收稿日期: 2016-09-13

Effects of 1-methylcyclopropene and ethephon treatment on physiological changes and reactive oxygen metabolism of postharvest‘Golden Delicious' apple fruit during storage at ambient temperature

College of Food Science and Technology, Bohai University, Food Safety Key Lab of Liaoning Province, National & Local Joint Engineering Research Center of Storage, Processing and Safety Control Technology for Fresh Agricultural and Aquatic Products

摘要

摘要: 以‘金冠’苹果为试材,研究1μL/L 1-甲基环丙烯（1-MCP）和0.2 mmol/L乙烯利处理对其采后常温贮藏过程中生理变化及活性氧相关代谢的影响。结果表明:与对照相比,1-MCP处理有效延缓果实软化、可滴定酸（TA）含量下降及可溶性固形物（TSS）含量上升,明显抑制叶绿素降解、呼吸强度及乙烯生成,提高超氧化物歧化酶（SOD）、过氧化氢酶（CAT）和过氧化物酶（POD）的活性,减缓O-2·产生速率、H2O2及丙二醛（MDA）的积累;乙烯利处理主要在前期促进果实软化和TA含量下降,促进叶绿素降解及乙烯生成,使呼吸高峰提前,对上述活性氧相关代谢有相反效果,但对TSS无显著影响。结论:1-MCP处理保持了采后苹果果实的常温贮藏品质,而乙烯利处理则相反,苹果果实采后贮藏过程中活性氧的代谢与乙烯有关。
- 苹果 /
- 1-MCP /
- 乙烯利 /
- 采后生理 /
- 活性氧代谢
Abstract: Effects of 1 μL/L 1-methylcyclopropene ( 1-MCP) and 0.2 mmol/L ethephon on physiological changes and reactive oxygen metabolism of postharvest ‘Golden Delicious ' apples during storage at ambient temperature were investigated. The results showed that, compared with controls, 1-MCP treatment effectively delayed fruit softening, the decline of titratable acid ( TA) content and the increase in total soluble solids ( TSS) ; obviously inhibited chlorophyll degradation, respiration rate and ethylene production; increased the activity of superoxide dismutase ( SOD) , catalase ( CAT) and peroxidase ( POD) ; retarded superoxide anion ( O-2·) generation rate, the accumulation of H2O2 and malondialdehyde ( MDA) . Ethephon treatment mainly promoted fruit softening and the decline of TA content at the early storage period, accelerated the chlorophyll degradation and ethylene production, and also made the respiratory rate peak ahead of control. It had opposite effects on reactive oxygen metabolism mentioned above while had no significant effect on TSS content. In conclusion, 1-MCP treatment maintained the storage quality of postharvest apple fruit at ambient temperature, whereas ethephon treatment had opposite effects on it, the metabolism of reactive oxygen during postharvest storage of apple fruit was related to ethylene.
- apple /
- 1-methylcyclopropene /
- ethephon /
- postharvest physiology /
- reactive oxygen metabolism

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参考文献(40)

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1-MCP和乙烯利处理对采后‘金冠’苹果常温贮藏过程中生理变化及活性氧代谢的影响

作者简介: 吕静祎 (1986-) , 女, 博士, 讲师, 研究方向:果蔬采后生物学与贮藏保鲜, E-mail:jingyi.lv@foxmail.com。;

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出版历程

Effects of 1-methylcyclopropene and ethephon treatment on physiological changes and reactive oxygen metabolism of postharvest‘Golden Delicious' apple fruit during storage at ambient temperature

计量

出版历程

目录

作者简介:
吕静祎 (1986-) , 女, 博士, 讲师, 研究方向:果蔬采后生物学与贮藏保鲜, E-mail:jingyi.lv@foxmail.com。;