Dextrin.....................10.0 g
Yeast extract................1.0 g
N-Z Amine A (Sigma C0626)....2.0 g
Beef extract.................1.0 g
CoCl2 . 6H2O .................0.01 g
Agar, Noble (BD 214230).....20.0 g
Distilled water..............1.0 L
Adjust pH to 7.0.
Autoclave at 121C for 15 minutes.