Effects of 1-MCP on Postharvest Physiology of Oblate Peach

Li Xuewen, Han Jiang, Teng Kangning

Chinese Agricultural Science Bulletin ›› 2006, Vol. 22 ›› Issue (11) : 185-185. DOI: 10.11924/j.issn.1000-6850.0611185
植物生理科学

Effects of 1-MCP on Postharvest Physiology of Oblate Peach

  • Li Xuewen, Han Jiang, Teng Kangning
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Abstract

The purpose of the present study was to investigate the effect of 1-methylcyclopropene(1-MCP) on postharvest physiology and quality of oblate peach(Prunus perisica L.). Oblate peach fruit were treated with 0.25μl /L and 1.5μl /L1-MCP at ambient(20~22℃) for 12 hours on the day of harvest. The fruit were then stored at 5℃ to monitor ripening –related changes, such as respiration, firmness, total soluble solids(TSS), titratable acidity ,Vitamin C, PPO, POD, CAT. The results indecated that 1-MCP treatment delayed the decline of fruit titratable acidity content, increased vitamin C accumulation, not affect the change of TSS. The respiration rate and climacteric peak of fruit was inhibited by 1-MCP treatment. The fruits treated with 1-MCP had higher firmness, lower pectase activity. 1-MCP-treatment caused a suppression in POD activity at beginning of storage, an increase in PPO activity at latter. 0.25μl/l1-MCP treatment caused an increase in CAT activity during storage.

Key words

Oblate peach;1-methylcyclopropnen;Physiology;Enzymes;Nutrition

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Li Xuewen, Han Jiang, Teng Kangning. Effects of 1-MCP on Postharvest Physiology of Oblate Peach. Chinese Agricultural Science Bulletin. 2006, 22(11): 185-185 https://doi.org/10.11924/j.issn.1000-6850.0611185

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