Among the four mushroom extracts, the water extract from L. edodes showed the most potent radical scavenging activity in each
assay, showing 75.9% (at 20 mg/ml) in the b-carotene bleaching method, 55.4%in the DPPH radical scavenging method (at 6 mg/ml)
and 94.9% of inhibition of erythrocyte hemolysis (at 5 mg/ml).