A study on liquid culture of Pleurotus florid Mutant L-456 using waste vegetable oil containing high fatty acid

This research was to investigate the liquid culture of Pleurotus florid Mutant L-456 using waste vgetable oil containing high fatty acid for mycelial growth and exopolysaccharde production. The optimal temperature ranges for mycelial growth werefound to be 25-30 . The optimal initial pH ranges of medium ℃ for mycelial growth and exopolysaccharide production were found to be 6.5-7.0. When glucose (2%) and vegetable oil (0.5%) mixture as the carbon source was used, the maximum mycelium growth and exopolysaccharide production were obtained, 4.9 and 3.0mg/L, respectively. Among various nitrogen sources, when peptone and yeast extract were used, the maximum mycelial growth and exopolysaccharide production were 5.1-5.2 and 3.1-3.6/L, respectively. This results shows that waste vgetable oil can be used as carbon source for effective mycelial growth and exopolysaccharde production from Pleurotus florid Mutant L-456.