|Product Code||Description||Product Size||Quantity|
|CM1049B||Buffered Peptone Water (ISO) 500g||–||500g|
Buffered Peptone Water (ISO) 500g
Thermo ScientificTM OxoidTM
Pre-enrich food samples prior to the isolation of Salmonella species using Thermo Scientific™ Oxoid™ Buffered Peptone Water (ISO) (Dehydrated). Buffered Peptone Water is a non-selective pre-enrichment medium and is tested in accordance with ISO 6579 and ISO 11133:2014. It also provides conditions for resuscitation of cells that have been injured by processes of food preservation.
Buffered Peptone Water (ISO), Oxoid Composition
|Enzymatic digest of casein|
|Disodium hydrogen phosphate (anhydrous)|
|Potassium dihydrogen phosphate|
|pH 7.0 ± 0.2 @ 25°C|
Buffered Peptone Water (ISO), Oxoid Preparation:
Add 20.0g of Buffered Peptone Water (ISO) to 1 litre of distilled water. Mix well and distribute into final containers. Sterilise by autoclaving at 121°C for 15 minutes.
Method of use
The sample is added to Buffered Peptone Water (ISO) at a ratio of 1:10, and incubated at 36°C ± 2°C for 16-20 hours before transfer to selective enrichment media.
Storage conditions and Shelf life
Store the dehydrated medium at 10-30°C and use before the expiry date on the label.