Abstract
This research studies the effects of 1-methylcyclopropene (1-MCP) post-harvest treatment on chilling injuries and quality of persimmon fruit cv. 'Karaj' during a four-month cold storage. Every 15 d in the cold phase, several physiological parameters were measured. The results illustrated that 1-MCP postharvest treatment with different concentrations (equalling to 0.5, 1 and 2 μL-1) meaningfully reduces chilling injuries of the persimmon fruit. The loss of weight, flesh firmness, titratable acidity, total phenolics, soluble tannins and antioxidant capacity can be alleviated using higher 1-MCP concentrations. These results can be related with alterations in antioxidant enzymes' activities together with protection of fruit's membrane integrity. Based on the results, the storage duration recommended for this cultivar is 45 d by application of 1-2 μL-1 of 1-MCP.
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