| 采后茉莉酸甲酯处理对富士苹果青霉病和贮藏品质的影响 |
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| 引用本文： | 李灿婴,葛永红,朱丹实,张惠君.采后茉莉酸甲酯处理对富士苹果青霉病和贮藏品质的影响[J].食品科学,2015,36(2):255-259. |
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| 作者姓名： | 李灿婴 葛永红 朱丹实 张惠君 |
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| 作者单位： | 1.渤海大学化学化工与食品安全学院，辽宁 锦州 121013；2.甘肃农业大学食品科学与工程学院，甘肃 兰州 730070 |
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| 基金项目： | 渤海大学博士启动基金项目（bsqd201405）；辽宁省食品安全重点实验室开放课题（LNSAKF2013021） |
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| 摘 要： | 以富士苹果为材料,研究采后茉莉酸甲酯(methyl jasmonate,Me JA)处理对果实损伤接种扩展青霉的抑制效果及对过氧化氢(H2O2)含量、超氧化物歧化酶(SOD)、过氧化氢酶(CAT)活性及果实贮藏品质的影响。结果表明,100μmol/L Me JA处理10 min对苹果果实青霉病的抑制效果最好,Me JA处理提高了果实SOD活性,促进了果实体内H2O2的积累,抑制了CAT的活性。此外,外源Me JA处理明显提高了果实抗坏血酸含量,降低了贮藏期间果实的质量损失率,对果肉硬度、可溶性固形物和可滴定酸含量无显著影响。由此推测,采后经Me JA处理的苹果果实抗病性提高和果实品质保持与抗氧化能力的提高有关。
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| 关 键 词： | 富士苹果 茉莉酸甲酯 青霉病 活性氧 品质 |
Effects of Methyl Jasmonate Treatment after Harvest on Blue Mould and Storage Quality of ‘Fuji’ Apple Fruit |
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| LI Canying,GE Yonghong,ZHU Danshi,ZHANG Huijun.Effects of Methyl Jasmonate Treatment after Harvest on Blue Mould and Storage Quality of ‘Fuji’ Apple Fruit[J].Food Science,2015,36(2):255-259. |
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| Authors: | LI Canying GE Yonghong ZHU Danshi ZHANG Huijun |
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| Affiliation: | 1. College of Chemistry, Chemical Engineering and Food Safety, Bohai University, Jinzhou 121013, China;
2. College of Food Science and Engineering, Gansu Agricultural University, Lanzhou 730070, China |
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| Abstract: | Apple (Malus domestic cv. Fuji) fruit were used to study the inhibitory effects of postharvest treatment with
methyl jasmonate (MeJA) on Penicillium expansum inoculated in wounded apples as well as the influence on hydrogen
peroxide (H2O2) content, superoxide dismutase (SOD) and catalase (CAT) activities, and storage quality. The results
indicated that dipping in 100 μmol/L MeJA for 10 min was the most effective against blue mould of apple fruit. In addition,
postharvest MeJA treatment increased the SOD activity, promoted the accumulation of H2O2, inhibited CAT activity and
enhanced the content of ascorbic acid and decreased weight loss, while not significantly affecting flesh hardness or the
contents of total soluble solids and titratable acid in apple fruit. These results suggest that MeJA induces disease resistance
and maintains fruit quality, and this effect may be associated with increased antioxidant ability. |
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| Keywords: | Fuji apple methyl jasmonate (MeJA) blue mould reactive oxygen species quality |
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