Todd Hewitt Broth (DM436) is recommended for cultivation of group A haemolytic Streptococci used for serological studies.
Ingredients | Gms / Liter |
Beef heart, infusion from | 500.00 |
Peptic digest of animal tissue | 20.00 |
Dextrose | 2.00 |
Sodium chloride | 2.00 |
Disodium phosphate | 0.40 |
Sodium carbonate | 2.50 |
Final pH: 7.8 ± 0.2 at 25°C | |
Formula may be adjusted and/or supplemented as required to meet performance specifications |
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