Abstract: In order to find a kind of method which is simply, low cost and available for preservation of Lentinus edodes at roomtemperature, the experiment in comparison and selection of effects of preservation on three freshness-keeping agents of differentconcentration including 6-BA, KEMEILING and Na2CO4 for Lentinus edodes at room temperature was carried out. The resultsshowed as follows: the three freshness-keeping agents could evidently inhibit the decline of respiratory intensity and the contentof reducing sugar of postharvest Lentinus edodes , reducing changes of outside quality of postharvest Lentinus edodes ,retardingeffectively the speed of senescence and decay of postharvest Lentinus edodes . Among different concentration test, it had the besteffect of preservation that 0.75 g/L KEMEILING treatment could inhibit greatly respiratory intensity of postharvest Lentinus edodes andkept good outside quality when mushrooms had been storaged for 10 days. The second place was taken by 130mg/L 6-BA treatment , whichcould make mushrooms keeping freshness for 8 days. Effect of preservation of Na2CO4 is the worst, but its effective treatment concentrationis 1.0mg/L, which had kept freshness just for 6 days and promoted the production of aging spores.

Key words:  Lentinus edodes, freshness-keeping agents, room temperature preservation, respiratory intensity, reducing sugar