Buffered Peptone Water ISO is recommended as a pre-enrichment medium of Enterobacteriaceae organisms such as Salmonella and Cronobacterium species from food and animal feeding stuffs, water, milk, milk products and other products in compliance with ISO specifications ISO 6579-1:2017, ISO 6887-1:2017, ISO 21528-1:2017, ISO 22964:2017.
Composition*
Ingredients
| g/L
|
Enzymatic Digest of Casein (Peptone)
| 10.0
|
Sodium Chloride
| 5.0
|
Disodium Hydrogen Phosphate Dodecahydrate (Na2HPO4.12H2O)
| 9.0
|
Potassium Dihydrogen Phosphate
| 1.5
|
*Adjusted to suit performance parameters.
Final pH (at 25°C): 7.0 ± 0.2
g/L: Suspend 20.07 g (Equivalent weight of dehydrated medium) of the powder in 1000 mL purified / distilled water.
