ATCC medium: 405 BSL for Corynebacterium
NH4Cl ........................1.0 g
MgSO4 . 7H2O .................0.2 g
KH2PO4 .......................3.0 g
Na2HPO4 ......................6.0 g
Soytone (BD 243620).........10.0 g
Agar (if needed)............15.0 g
Distilled water..............1.0 L
Adjust pH to 6.8-7.2. Separately autoclave a 10% (w/ v) solution of
lactose and aseptically add to above for a final concentration of 1%
lactose.
Autoclave at 121C for 15 minutes.