Abstract: In order to solve the issues of intolerant preservation of Tremellafuciformis, the effects of different treatments on changes of physiological characteristics related to active oxygen metabolism of post-harvest T.fuciformis were investigated by using four different processing methods on direct storage,chitosan coating,slightly acidicelectrolyzed water(SAEW) immersion cleaning and SAEW-assisted chitosan processing.The results showed that the processing of SAEW cleaning and chitosan coating can play a favorable preservation but the corrosion resistance appeared to weaken at later storage period.SAEWassisted chitosan processing was superior to other treatments in some indexes.In the 10 d storage period,the total number of colonies,microbial respiration rate and biochemical index maintained at low levels but no greater volatility,the activity of antioxidant enzymes(SOD,POD and CAT) remained at a high level,the decreased rate of non-enzyme antioxidants(AsA and GSH) was significantly lower than that of the other experimental group(P<0.05).The conclusion provided a new useful method for safer preservation of T.fuciformis.

Key words: slightly acidic electrolyzed water, chitosan, Tremellafuciformis, activate oxygen metabolism