The application of 1-methylcyclopropene preserves the postharvest quality of cabbage by inhibiting ethylene production, delaying chlorophyll breakdown and increasing antioxidant capacity
The application of 1-methylcyclopropene preserves the postharvest quality of cabbage by inhibiting ethylene production, delaying chlorophyll breakdown and increasing antioxidant capacity
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DOI：
10.1016/j.scienta.2021.109986
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发表时间：
2021-02-06
影响因子：
4.3
通讯作者：
Li, Pengxia
中科院分区：
文献类型：
--
作者：
Hu, Huali;Zhao, Huanhuan;Li, Pengxia
新鲜收获的卷心菜用空气（对照组）或1 μ L L-1 1-甲基环丙烯（1-MCP）处理12 h，然后在25 ± 1 ℃下储存8 d。研究了1-MCP对甘蓝叶片采后劣变特性、抗氧化能力、健康促进物质和亚硝酸盐积累的影响。1-MCP处理显著延长了白菜的货架期，减少了采后的劣变，延缓了叶绿素的降解，抑制了丙二醛和亚硝酸盐的积累。1-MCP对乙烯释放和呼吸速率也有抑制作用。此外，1-MCP处理延缓了总硫代葡萄糖苷、萝卜硫素和叶酸在贮藏过程中的下降。高水平的抗坏血酸，总酚含量和抗氧化能力也保持在1-MCP处理的白菜。这项研究表明，1-MCP是一种潜在的采后处理，以延缓衰老过程中，保持理想的品质特性，并减少某些健康促进化合物的损失在白菜。
Freshly harvested cabbages were treated with air (control group) or 1 mu L L-1 1-methylcyclopropene (1-MCP) for 12 h, followed by storage for 8 d at 25 +/- 1 degrees C. The effects of 1-MCP on postharvest deterioration characteristics, antioxidant capacity, health-promoting compounds and nitrite accumulation in cabbage leaves were investigated. Treatment with 1-MCP significantly extended the shelf life, reduced postharvest deterioration, retarded chlorophyll degradation and inhibited the accumulation of malondialdehyde and nitrite in cabbage. Ethylene production and respiration rate were also inhibited by 1-MCP. Furthermore, 1-MCP treatment delayed the decrease in total glucosinolates, sulforaphane and folic acid during storage. High levels of ascorbic acid, total phenolic content and antioxidant capacity were also maintained in 1-MCP-treated cabbage. This study demonstrates that 1-MCP is a potential postharvest treatment to delay the senescence process, maintain desirable quality properties and reduce the loss of certain health-promoting compounds in cabbage.