Abstract: Membrane permeability, leakage of K+, Na+ and Ca2+ of   Honey Dew, muskmelon stored at different temperatures were investigated. Results indicated that low temperature storage promoted membrane permeability. The leakage of K+ increased with the decrease of temperature, and the leakage of Na+ increased with the increase of storage time and the decrease of temperature after 21d. The leakage amount of Ca2+ was at a low level, and not affected by storage temperature or time.

Key words: chilling injury, ions leakage, K+, Na+, Ca2+