Journal
SCIENTIA HORTICULTURAE
Volume 182, Issue -, Pages 86-91Publisher
ELSEVIER
DOI: 10.1016/j.scienta.2014.07.024
Keywords
Bitter melon; 1-MCP; Postharvest quality; Physiology; Ethylene
Categories
Funding
- National Natural Science Foundation of China [31101364]
- Ministry of Agriculture of China [CARS-25]
- Special Fund for Agro-scientific Research in the Public Interest [201203095]
- Beijing Academy of Agricultural and Forestry Sciences [201404, 201304]
- National Natural Science Foundation of Beijing [6144020]
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Young immature bitter melons were fumigated with 1-MCP at different concentrations (0.5, 5.0 or 50.0 mu l l(-1)) for 12 h, then stored at 20 degrees C and 85-90% relative humidity (RH) to investigate postharvest quality and physiology. According to the visual appearance of bitter melon, we determined the effective concentration of 1-MCP was 5.0 mu l l(-1). Furthermore, we demonstrated that the application of 1-MCP inhibited ethylene production and thereby improved fruit quality of bitter melon as reflected from ascorbic acid (AsA) and soluble protein content. In addition, 1-MCP maintained antioxidant enzymes activities such as superoxide dismutase (SOD), catalase (CAT) and peroxidase (POD) of bitter melon at initial stage but suppressed at the subsequent shelf life. Our results suggested that the use of 1-MCP was an effective method to retain postharvest physiology and quality of bitter melon. (C) 2014 Published by Elsevier B.V.
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