Lactose Monohydrate Sulphite Medium (Medium R) (DM916E) is recommended for detection and enumeration of Clostridium perfringens in pharmaceutical products in compliance with EP.
| Ingredients | Gms / Litre |
| Pancreatic digest of casein | 5.00 |
| Yeast extract | 2.50 |
| Sodium chloride | 2.50 |
| Lactose monohydrate | 10.00 |
| Cystine hydrochloride | 0.30 |
| Final pH: 7.1 ± 0.1 at 25°C | |
| Formula may be adjusted and/or supplemented as required to meet performance specifications | |
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