Todd Hewitt Broth

201200150100 / 201200150500

Todd Hewitt Broth is used for the cultivation of group A haemolytic Streptococci used for serological studies.

Composition*

Ingredients
g/L
Beef Heart, Infusion from
10.0
Peptic Digest of Animal Tissue
20.0
Dextrose
2.0
Sodium Chloride
2.0
Disodium Phosphate
0.4

Sodium Carbonate

2.5

*Adjusted to suit performance parameters.
  Final pH (at 25°C): 7.8 ± 0.2

g/L: Suspend 37.00 g of the powder in 1000 mL purified / distilled water.

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