Figure 5From: Optimisation of batch culture conditions for cyclodextrin glucanotransferase production from Bacillus circulans DF 9RCell growth and CGTase production profile. Time course of CGTase production from B. circulans in shake flasks at 37°C in optimized medium containing 15 g/L cassava starch, 4 g/L (NH4)2SO4, 0.02 g/L MgSO4.7H2O, 0.02 g/L FeSO4, 0.1 M potassium phosphate buffer, initial pH 8.3. Symbols: OD620 nm (); CGTase (); pH (▲).Back to article page