บทคัดย่องานวิจัย

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Ethylene biosynthesis and physico-chemical changes during fruit ripening of cherimoya (Annona cherimola, Mill).

Martinez, G.; Serrano, M.; Pretel, M. T.; Riquelme, F.; Romojaro, F.;

Journal of Horticultural Science Year: 1993 Vol: 68 Issue: 4 Pages: 477-483 Ref: 20 ref.

1993

บทคัดย่อ

Ethylene biosynthesis and physico-chemical changes during fruit ripening of cherimoya (Annona cherimola, Mill).

Studies of fruit ripening after harvesting in cherimoya cv. Fino de Jete grown in Granada demonstrated a respiratory climacteric associated with rapid ethylene production. The increase in ethylene production was caused by an increase in the activities of ACC-synthase and ethylene-forming enzyme (EFE), which were very low in the freshly picked fruits, but increased rapidly over the second day, reaching a maximum on the third day. During the climacteric there was also a low amount of 1-aminocyclopropane-1-carboxylic acid (ACC) in its conjugated form. Skin browning increased after harvesting, but this was not related to a decrease in chlorophyll, since the chlorophyll level remained stable throughout the entire postharvest period. The level of browning correlated well (r = 0.947) with the Hunter L value. The onset of ethylene production, starch degradation, loss of firmness and accumulation of total sugars all coincided.