Abstract
Effects of ethylene on chlorophyllase activity and chlorophyll degradation in peels of Satsuma mandarin (Citrus unshiu Marc.) fruits were studied using an ethylene-flow system to prevent the inhibitory effect of CO2 on the ethylene action. Chlorophyllase activity and chlorophyll degradation were not increased by exposing to ethylene. After exposing the ethylene-treated fruits to air, chlorophyllase activity and chlorophyll degradation were acceralated simultaneously. Based on these results, a role of ethylene in chlorophyll degradation of the fruits is discussed briefly.
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