Yeast extract 2.5 g Peptone 2.5 g Neopeptone 5 g Trypticase (BBL) or tryptone 2 g Starch (soluble) 2 g Glucose 10 g Agar 20 g KH2PO4 pH 6.6 (1 mol/l) 50 ml Distilled water 950 ml pH 7.2 Sterilize at 121°C for 15 min., cool to 50°C and add sterile: L-Cysteine.HCl (10 %) 2.5 ml