Effects of 2-alkyl-2-cyclopropene-1-carboxylic acid ethyl ester on ethylene production and flesh softening of non-astringent persimmon fruit
2013
Choi, Seong-Jin
The effects of 2-alkyl derivatives of 2-cyclopropene-1-carboxylic acid ethyl ester (CPE) with various lengths of alkyl side chains were examined on ethylene production and flesh softening of ‘Taishuu’ and ‘Fuyu’ persimmon (Diospyros kaki L.) fruit. When the ‘Taishuu’ fruit were treated with gaseous forms of the CPEs with short alkyl chains, the increased ethylene production and decreased flesh firmness of fruit were not inhibited. However, ripening parameters were inhibited by the CPEs with long alkyl chains in proportion to the carbon number. Decyl CPE (DCPE) is relatively stable and sprayable and inhibited postharvest flesh softening of ‘Fuyu’ fruit when sprayed before harvest. Thus, DCPE appears to be a valuable agent for delaying flesh softening of persimmon fruit.
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