Fig. 3From: Optimization and partial purification of beta-galactosidase production by Aspergillus niger isolated from Brazilian soils using soybean residueTime courses of β-galactosidase production by Aspergillus niger under optimized conditions (120 rpm, 28 °C, initial medium pH 7), using medium supplemented with 2% of soybean residue. Medium pH (∙∙∙∙), protein (mg/mL) (---) and β-galactosidase activity (—)Back to article page