%0 Journal Article %T Biological Activities of the Polysaccharides Produced in Submerged Culture of Two Edible Pleurotus ostreatus Mushrooms %A Emanuel Vamanu %J Journal of Biomedicine and Biotechnology %D 2012 %I Hindawi Publishing Corporation %R 10.1155/2012/565974 %X Exopolysaccharides (EPS) and internal (intracellular) polysaccharides (IPS) obtained from the Pleurotus ostreatus M2191 and PBS281009 cultivated using the batch system revealed an average of between 0.1–2 (EPS) and 0.07–1.5 g/L/day (IPS). The carbohydrate analysis revealed that the polysaccharides comprised 87–89% EPS and 68–74% IPS. The investigation of antioxidant activity in vitro revealed a good antioxidant potential, particularly for the IPS and EPS isolated from PBS281009, as proved by the EC50 value for DPPH, ABTS scavenging activity, reducing power, and iron chelating activity. %U http://www.hindawi.com/journals/biomed/2012/565974/