Journal
SCIENTIA HORTICULTURAE
Volume 164, Issue -, Pages 544-551Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.scienta.2013.10.018
Keywords
Pear (Pyrus bretschneideri Reld); Modified atmosphere; 1-MCP; Cold storage; Fruit quality
Categories
Funding
- Earmarked Fund for Modern Pear-Industry Technology Research System of China [CARS-29-9]
- Postdoctoral Science Foundation of Hebei Academy of Agricultural and Forestry Sciences
- National Natural Science Foundation of China [31101587, 31201432]
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To identify the most effective modified-atmosphere packaging (MAP) and/or 1-methylcyclopropene (1-MCP) treatment to maintain the fruit quality of 'Laiyang' pear (Pyrus bretschneideri Reld cv. Laiyang) during 210 days of cold storage (0-2 degrees C), two kinds of low-density polyethylene (LDPE) packaging films with different O-2 and CO2 permeabilities were evaluated with and without 1-MCP (0.5 mu L/L or 1.0 mu L/L). The results showed that 0.5 mu L/L 1-MCP plus micro-perforated film packaging maintained the color, firmness, titratable acidity, and vitamin C content of the fruit flesh and was the most appropriate treatment for 'Laiyang' pear fruit during cold storage. Treatment with 0.5 mu L/L 1-MCP plus micro-perforated film packaging inhibited respiration and ethylene production; maintained the activity levels of super oxidase dismutase, peroxidase, and catalase; decreased the cell-membrane permeability and malondialdehyde content; and inhibited the lipoxygenase and polyphenol oxidase activity of the fruit during cold storage. (C) 2013 Elsevier B.V. All rights reserved.
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