Journal of Food, Agriculture and Environment

Vol 9, Issue 3&4,2011
Online ISSN: 1459-0263
Print ISSN: 1459-0255

Effect of cold storage and 1-MCP treatment on postharvest changes of fruit quality and cell wall metabolism in sweet cherry


Jianmei Wei 1, Xiudong Qi 3, Junfeng Guan 2*, Xiangqiu Zhu 1

Recieved Date: 2011-02-20, Accepted Date: 2011-10-02


The fruit of sweet cherry, ‘Summit’, were used to investigate the changes of fruit quality, cell wall composition and the related degrading enzymes activity, and how to be affected by cold storage and 1-methylcyclopropene (1-MCP) treatment combined with 0°C storage. At room temperature (RT), the respiration rate was enhanced rapidly, firmness decreased, and the contents of total soluble solid (TSS) and titratable acid (TA) were reduced with a faster decrease rate in TSS than in TA. The change in water-soluble pectin (WSP), covalent soluble pectin (CSP) and hemicellulose content appeared more remarkable among cell wall components, and the activities of polygalacturonase (PG), pectinmethylesterase (PME) and β-galactosidase (β-Gal) increased, having close correlation to fruit firmness, but the cellulase activity was not examined. However, in comparison with RT storage, both cold storage and 1-MCP(+0°C) treatment could significantly maintain fruit quality and firmness, reduce respiration rate, prevent TSS and soluble protein from degradation and extend fruit shelf life in sweet cherry. Accordingly, they also significantly affected the fruit cell wall metabolism, inhibiting the increase of WSP and ionic-soluble pectin (ISP) and the degradation of CSP and hemicellulose, which had much more effect on the change in both WSP and CSP content. The activities of PME and PG were significantly inhibited by cold storage and 1-MCP(+0°C) treatment, but the inhibition on PME was stronger than that on PG. β-Gal activity was sharply increased just after harvest under RT, and strongly inhibited by cold storage and 1-MCP(+0°C) treatment. All above results suggested that cell wall degradation was accompany with the change of fruit quality during softening in sweet cherry, and were obviously affected by cold storage and 1-MCP, among these, WSP, CSP, PME and β-Gal might play more important roles than other factors.


Prunus avium L., fruit quality, cell wall metabolism, cold storage, 1-methylcyclopropene

Journal: Journal of Food, Agriculture and Environment
Year: 2011
Volume: 9
Issue: 3&4
Category: Food and Health
Pages: 118-122

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