# J674: PYG MEDIUM (F) ## Main sol. J674 75 ml **S I solution 6.0 g/L** 75 ml **S II solution** 10 g Trypticase peptone 5 g Yeast extract 10 g Glucose 1 ml Sodium resazurin (w/v, 0.1%) 2.5 ml Na2CO3 (w/v, 8%) 0.3 g L-Cysteine HCl x H2O 850 ml Distilled water 1. Adjust pH to 7.3. ## S I solution 6.0 g/L 0.6 g K2HPO4 100 ml Distilled water ## S II solution 0.6 g KH2PO4 1.2 g (NH4)2SO4 1.2 g NaCl 0.12 g MgSO4 x 7 H2O 0.12 g CaCl2 x 2 H2O 100 ml Distilled water