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中国精品科技期刊2020
姜毅,饶泽洲,刘佳,等. 1-MCP对无花果采后贮藏品质的影响[J]. 食品工业科技,2021,42(15):276−282. doi: 10.13386/j.issn1002-0306.2020090284.
引用本文: 姜毅,饶泽洲,刘佳,等. 1-MCP对无花果采后贮藏品质的影响[J]. 食品工业科技,2021,42(15):276−282. doi: 10.13386/j.issn1002-0306.2020090284.
JIANG Yi, RAO Zezhou, LIU Jia, et al. Effect of 1-MCP Treatment on Postharvest Storage Quality of Fig Fruit[J]. Science and Technology of Food Industry, 2021, 42(15): 276−282. (in Chinese with English abstract). doi: 10.13386/j.issn1002-0306.2020090284.
Citation: JIANG Yi, RAO Zezhou, LIU Jia, et al. Effect of 1-MCP Treatment on Postharvest Storage Quality of Fig Fruit[J]. Science and Technology of Food Industry, 2021, 42(15): 276−282. (in Chinese with English abstract). doi: 10.13386/j.issn1002-0306.2020090284.

1-MCP对无花果采后贮藏品质的影响

Effect of 1-MCP Treatment on Postharvest Storage Quality of Fig Fruit

  • 摘要: 以‘布兰瑞克’和‘玛斯义陶芬’无花果为试材,研究1-MCP(1.5 μL·L−1)处理对低温货架期((2±1)℃、RH90%~100%)果实色差、硬度、失重率、可滴定酸、可溶性固形物、呼吸强度的影响,并利用气相色谱—质谱(gas chromatography-mass spectrometry,GC-MS)技术分析了1-MCP处理前后果实挥发性物质含量和种类的变化。结果表明:1-MCP熏蒸处理有效保持了果实鲜亮的色泽,延缓果实硬度、可滴定酸和可溶性固形物的下降,1-MCP处理对两品种失重率的抑制效果无显著差异,对‘玛斯义陶芬’具有更为明显的呼吸高峰延迟作用。新鲜的‘布兰瑞克’和‘玛斯义陶芬’无花果分别检测到4类18种和5类35种挥发性物质。醛类是两个品种无花果主要的挥发性物质,1-MCP处理显著地刺激了‘布兰瑞克’中己醛、2-己烯醛、庚醛和苯乙醛等醛类物质的生成,促进了‘玛斯义陶芬’中己醛、2-己烯醛、壬醛的生成。

     

    Abstract: With the experimental material of ‘Branswick’ and ‘Masiyitaofen’ fig, the effects of 1-MCP (1.5 μL·L−1) treatment on fruit color, hardness, weight loss rate, titratable acid, total soluble solid and respiratory intensity of fig fruit during shelf life at (2±1)℃ (RH 90%~100%) were studied. In addition, the effects of 1-MCP on relative content and type of volatile components of postharvest fig were analyzed by gas chromatography-mass spectrometry (GC-MS). Compared with the control group, 1-MCP fumigation treatment effectively maintained bright color of fruit peel, delayed the decrease of hardness of fruits, titratable acid and total soluble solid. The 1-MCP treatment had no significant difference in the inhibition effect on weight loss rate of the two varieties, but had a more obvious delayed effect on the respiratory peak of 'Masitovine'. Fresh ‘Branswick’ and ‘Masiyitaofen’ fruits were respectively detected eighteen volatile compounds categorized into four different chemical classes, and thirty-five compounds into five classes. Aldehydes were the main volatile compounds in two varieties of figs. After fumigation of 1-MCP, the production of aldehydes including hexanal, 2-hexenal, heptaldehyde, and phenylacetaldehyde of ‘Branswick’ and hexanal, 2-hexenal and nonanal of ‘Masiyitaofen’ fig fruits were significantly stimulated.

     

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