2014AbstractPolyporus umbellatus (formerly Grifola umbellatus), an edible fungus, has been used as traditional Chinese medicine. The present investigationaimed to uncover the active ingredients in this fungal species, with the emphasis on its polysaccharides. Two polysaccharides, one from fermentedmycelium and the other from the fruiting body, were chromatographically purified. Molecular weight…