期刊
HORTICULTURAE
卷 9, 期 10, 页码 -出版社
MDPI
DOI: 10.3390/horticulturae9101062
关键词
papaya; 1-methylcyclopropene (1-MCP); postharvest quality; ripening
类别
This study explored the effect of humidity-triggered controlled-release 1-methylcyclopropene (1-MCP) sheets on the postharvest quality of papaya fruit. The results showed that 1-MCP treatment inhibited fruit softening, reduced weight loss and peel color deterioration without causing any physiological disorders. The 1.0-2.0 ppm 1-MCP-treated fruit received the highest score for papaya flavor and sweetness respectively and the lowest score for off-flavor. The humidity-triggered controlled-release 1-MCP sheets are effective and convenient, and they can serve as an important tool for regulating postharvest papaya ripening with economic benefits.
Papaya (Carica papaya L.) is a valuable economic crop that is widely cultivated in tropical and subtropical regions but has a short storage and shelf life. Exploring effective strategies to improve the postharvest quality of papaya is important. This study explored the effect of humidity-triggered controlled-release 1-methylcyclopropene (1-MCP) sheets on the postharvest quality of papaya fruit. 'Rainbow' papayas underwent cold storage at 10 +/- 0.5 degrees C, RH 85% +/- 2% for 14 days, and then were transferred to 20 +/- 0.5 degrees C, RH 85% +/- 2% for 10 days to simulate shelf life. The 1-MCP sheets were cut into different sizes and placed in storage containers in advance to create corresponding concentrations at 0.5, 1.0, 2.0, and 4.0 ppm. Results showed that 1-MCP treatment inhibited fruit softening, and reduced weight loss and peel color deterioration without causing any physiological disorders. The 1.0-2.0 ppm 1-MCP-treated fruit received the highest score for papaya flavor and sweetness respectively and the lowest score for off-flavor. The humidity-triggered controlled-release 1-MCP sheets are effective and convenient, and they can serve as an important tool for regulating postharvest papaya ripening with economic benefits.
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