Description
Buffered Peptone Water (ISO) is a non-selective pre-enrichment medium for the isolation of Salmonella species from food and associated samples. As Salmonella may be present in low numbers and/or sub-lethally injured pre-enrichment allows the cells time to repair and multiply before being introduced to selective culture, thereby improving the chances of recovery from the sample.
The medium is designed to be used prior to selective enrichment in RVS Broth CM0866 or Modified Semi-solid Rappaport-Vassiliadis (MSRV) agar (CM1128) with Novobiocin selective supplement SR0181 and MKTTn Broth CM1048 with Novobiocin Selective Supplement SR0181 according to ISO 6579:20171.
The quality control of Buffered Peptone Water (ISO) CM1049 includes testing in accordance with ISO 65791 and ISO 11133:20142.
Specification
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 |
Product Name | BUFFERED PEPTONE WATER (ISO) 5kg |
---|---|
SKU | OXOCM1049T |
Visibility | Catalog, Search |
UOM | EA |
Brand | No brand |
Lead time if no stock (days) | 56 |
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