Letheen Broth, Modified (Modified Letheen Broth) (DM312) is recommended for screening cosmetic products for microbial contamination.
Ingredients | Gms / Liter |
Part A | |
Peptic digest of animal tissue | 20.00 |
Casein enzymic hydrolysate | 5.00 |
Beef extract | 5.00 |
Yeast extract | 2.00 |
Sodium chloride | 5.00 |
Sodium bisulphite | 0.10 |
Lecithin | 0.70 |
Part B | |
Polysorbate 80 | 5.00 |
Final pH: 7.0 ± 0.2 at 25°C | |
Formula may be adjusted and/or supplemented as required to meet performance specifications |
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