Figure 3From: Kinetics of improved 1,4-alpha-D-glucan glucohydrolase biosynthesis from a newly isolated Aspergillus oryzae IIB-6 and parameter significance analysis by 2-factorial designEffect of different concentrations of CSL and yeast extract as nitrogen sources on GGH production by A. oryzae IIB-6. Incubation were carried out for 72 h (200 rpm) at 30±2°C and pH 5. Y-error bars indicate standard deviation (±sd) among the three parallel replicates. -□- Enzyme activity (U/ml/min), -○- DCM (g/l), -Δ- Total protein content (μg/ml).Back to article page