Methods: Fresh edible fungi were chosen from edible fungi institute liaoning academy of agricutural sciences.The SOD activities were determined by hepatocytes autoxidation.

• 方法：选取辽宁省农科院食用真菌研究所提供的3种鲜菌菇，采用邻苯三酚法对食用菌进行SOD活性的测定。