A new lentinan extracting technology from lentinus edodes was developed with neutral proteinase,and the separation of lentinan by microfiltration was studied as well.

• 采用中性蛋白酶辅助水提法提取香菇多糖,利用超滤膜分离多糖,研究了酶法提取条件和超滤膜及分离参数的选择。