Glucose 0.15 g (NH4)2SO4 0.5 g CaCO3 0.1 g Ca(NO3)2 20.1 g KCl 0.05 g K2HPO4 0.05 g MgSO4.7H2O 0.05 g Na2S.9H2O 0.187 g Vitamin solution* 1 ml Distilled water 1000 ml Sterilize separately basic medium and add aseptically sterile vitamin solution. *Vitamin solution: Calcium pantothenate 1 mg Niacin 1 mg Biotin 0.005 mg Cyanocobalamin 0.005 mg Folic acid 0.005 mg Pyridoxine 1 mg p-Aminobenzoic acid 1 mg Cocarboxylase 1 mg Inositol 1 mg Thiamine 1 mg Riboflavin 1 mg