Buffered Peptone Water (ISO) Media Tubes

Buffered Peptone Water (ISO) is a pre-enrichment broth designed to be used prior to selective enrichment in MKTTn Broth (Part No. TV5065E) and RVS Medium (Part No. TV5036E) for the isolation of Salmonella species from foods according to ISO 6579:2002¹.

Low numbers and/or sub-lethally injured Salmonella may be present in the test sample. Pre-enrichment in Buffered Peptone Water (ISO) allows the cells time to repair and multiply, before being introduced into selective culture, improving the chances of recovering Salmonella from the sample.

The test sample is added to Buffered Peptone Water (ISO) at a ratio of 1:10 and incubated at 37°C ± 1°C for 18 hours + 2 hours.

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