首页|Impact of 1-MCP on postharvest quality of sweet cherry during cold storage
Impact of 1-MCP on postharvest quality of sweet cherry during cold storage
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Sweet cherry (Prunus avium L.) is a kind of fruit with short postharvest life.Postharvest treatment of 1-methylcyclopropene (1-MCP:1.0,1.5 and 2.0 μL/L) was applied to cherry fruits,and its effects on postharvest fruit quality during 60-day-storage at cold temperature was investigated.Sweet cherry fruits were harvested at commercial fruit maturity and exposed to 1-MCP at 20± 1℃ for 24 h.Following 1-MCP treatments,the fruits were stored for 60 d at 90±5％ RH and,0± 1 ℃,in three concentrations of 1.0,1.5,and 2.0 μL/L 1-MCP,of which 1.5 μL/L 1-MCP had the most positive effect on fruit quality.Postharvest treatments of 1-MCP significantly reduced endogenous ethylene production,malondialdehyde (MDA) content,and polyphenol oxidase (PPO) activity in cherry fruits 60 d after cold storage when compared to untreated fruits.1-MCP treatment was associated with lower respiration rate and relative electric conductivity (REC) and maintained cell membrane integrity.The results indicated that the treatment 1-MCP was effective in inhibition of the declining of POD activity and CAT activity.In conclusion,1-MCP treatment could be a good candidate for maintaining postharvest quality of cherry,and 1-MCP could prolong the storage life of sweet cherry.
NETL
NSTL
万方数据
