Product Code | Description | Product Size | Quantity |
CM1049B | Buffered Peptone Water (ISO) 500g | – | 500g |
Buffered Peptone Water (ISO) 500g
Brand:
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
Typical Formula* | gm/litre |
Enzymatic digest of casein | 10.0 |
Sodium chloride | 5.0 |
Disodium hydrogen phosphate (anhydrous) | 3.5 |
Potassium dihydrogen phosphate | 1.5 |
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.
Dimensions | 10 cm |
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Brand | Oxoid |
Estimated Delivery Time | 1-2 weeks |