0.1% Peptone Water with 1% Polysorbate 80 is used as a diluent in testing of pharmaceuticals in accordance with USP.
Peptone Water is particularly suitable as a substrate in the study of indole production. Peptone Water is also utilized as a base for carbohydrate fermentation studies with the addition of sugar and indicators such as bromocresol purple, phenol red or bromothymol blue. Peptone Water is recommended for studying the ability of an organism to ferment a specific carbohydrate which aid in differentiation of genera and species.
Composition*
Ingredients
| g/L
|
Peptic Digest of Animal Tissue
| 1.0
|
Polysorbate 80
| 1.0
|
*Adjusted to suit performance parameters.
Final pH (at 25°C) 7.1 ± 0.2
