APT Broth (DM552) is a high thiamine content medium, for cultivation of heterofermentative Lactobacilli and other organisms.
| Ingredients | Gms / Liter |
| Casein enzymic hydrolysate | 12.50 |
| Yeast extract | 7.50 |
| Dextrose | 10.00 |
| Sodium citrate | 5.00 |
| Sodium chloride | 5.00 |
| Dipotassium phosphate | 5.00 |
| Magnesium sulphate | 0.80 |
| Manganese chloride | 0.14 |
| Ferrous sulphate | 0.04 |
| Polysorbate 80 | 0.20 |
| Thiamine hydrochloride | 0.001 |
| Final pH: 6.7 ± 0.2 at 25°C | |
| Formula may be adjusted and/or supplemented as required to meet performance specifications | |
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