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.
安容慧,陈皖豫,胡花丽,等. 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.
AN Ronghui,CHEN Wanyu,HU Huali,et al. Effects of 1-methylcyclopropene on the storage quality and antioxidant properties of baby cabbage[J]. Food and Fermentation Industries, 2021, 47(20): 194-203.
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2021, Vol. 47 
