Fraser Broth Base (DM1292) is recommended for a primary and secondary enrichment medium for isolation and enumeration of Listeria monocytogenes from food and animal feeds.
Ingredients | Gms / Liter |
Peptic digest of animal tissue | 5.00 |
Casein enzymic hydrolysate | 5.00 |
Yeast extract | 5.00 |
Meat extract | 5.00 |
Sodium chloride | 20.00 |
Disodium hydrogen phosphate.2H2O | 12.00 |
Potassium dihydrogen phosphate | 1.35 |
Esculin | 1.00 |
Lithium chloride | 3.00 |
Final pH: 7.2 ± 0.2 at 25°C | |
Formula may be adjusted and/or supplemented as required to meet performance specifications |
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