食品与发酵工业 >

2021 , Vol. 47 >Issue 20: 194 - 203

DOI: https://doi.org/10.13995/j.cnki.11-1802/ts.026847

生产与科研应用

1-甲基环丙烯对娃娃菜贮藏品质及抗氧化活性的影响

  • 安容慧 ,
  • 陈皖豫 ,
  • 胡花丽 ,
  • 李鹏霞
展开
  • (江苏省农业科学院农业设施与装备研究所,江苏 南京,210014)
硕士研究生(胡花丽副研究员和李鹏霞研究员为共同通讯作者,E-mail:huhuali203@163.com;guoshubaoxian@163.com)

收稿日期: 2021-01-21

  修回日期: 2021-03-04

  网络出版日期: 2021-11-18

基金资助

江苏省农业科技自主创新资金(CX(18)2028);江苏省重点研发计划(现代农业)项目(BE2018383)

收起

Effects of 1-methylcyclopropene on the storage quality and antioxidant properties of baby cabbage

  • AN Ronghui ,
  • CHEN Wanyu ,
  • HU Huali ,
  • LI Pengxia
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  • (Institute of Facilities and Equipment in Agriculture, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China)

Received date: 2021-01-21

  Revised date: 2021-03-04

  Online published: 2021-11-18

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摘要

以娃娃菜为试验材料,研究常温(20±1) ℃条件下,1 μL/L 1-甲基环丙烯(1-methylcyclopropene, 1-MCP)熏蒸处理对采后娃娃菜贮藏品质和抗氧化活性的影响。结果表明,1-MCP熏蒸处理降低了娃娃菜采后呼吸速率和乙烯释放速率,抑制了丙二醛、超氧阴离子和过氧化氢的积累,减缓了娃娃菜组织内可溶性糖和可溶性蛋白含量的下降,维持了较高的活性物质(总硫代葡萄糖苷、总酚、抗坏血酸、类胡萝卜素和萝卜硫素)含量,同时提高了抗氧化酶(过氧化物酶、过氧化氢酶、超氧化物歧化酶、抗坏血酸过氧化物酶和谷胱甘肽还原酶)的活性,并维持了较高的DPPH自由基、羟自由基和超氧阴离子自由基清除能力。综上,1-MCP处理可以维持采后娃娃菜较高的品质及抗氧化活性,从而延缓叶片的衰老,延长贮藏期。

关键词： 娃娃菜; 1-甲基环丙烯; 抗氧化性; 呼吸速率

本文引用格式

安容慧 , 陈皖豫 , 胡花丽 , 李鹏霞 . 1-甲基环丙烯对娃娃菜贮藏品质及抗氧化活性的影响[J]. 食品与发酵工业, 2021 , 47(20) : 194 -203 . DOI: 10.13995/j.cnki.11-1802/ts.026847

Abstract

With baby cabbage as the experimental materials, the effects of 1 μL/L 1-methylcyclopropene (1-MCP) fumigation on the storage quality and antioxidant activity of postharvest baby cabbage were studied at room temperature (20±1) ℃. The results showed that 1-MCP fumigation reduced the respiratory rate and ethylene release rate, inhibited the accumulation of malondialdehyde, superoxide anion and hydrogen peroxide, slowed down the decline of soluble sugar and soluble protein contents. Meanwhile, 1-MCP fumigation maintained a high content of bioactive compounds such as total glucosinolates, total phenol, ascorbic acid, carotenoid and sulforaphane, and increased the activities of antioxidant enzymes such as peroxidase, catalase, superoxide dismutase, ascorbic acid peroxidase and glutathione reductase. Additionally, 1-MCP treatment kept a high scavenging ability of 1,1-diphenyl-2-trinitrophenylhydrazine, hydroxyl radical and superoxide anion radical in baby cabbage. In conclusion, 1-MCP treatment could maintain the high quality and antioxidant capacity of postharvest baby cabbage, thus delaying the senescence of leaves and prolonging the storage period.

Key words： baby cabbage; 1-methylcyclopropene; antioxidant properties; respiratory rate

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