Yeast extract 0.4 g Casein 0.8 g K2HPO4 0.6 g Na2HPO4 0.5 g MgSO4.7H20 0.05 g MgCl2.7H20 0.1 g KNO3 0.2 g FeCl3.6H20 0.01 g Agar 20 g Distilled water 1000 ml pH 7.0