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 65791 and ISO 11133:20142. It also provides conditions for resuscitation of cells that have been injured by processes of food preservation.
Low numbers and/or sub-lethally injured Salmonella cells may be present in a test food sample. Pre-enrichment in non-selective Buffered Peptone Water allows the cells time to repair and multiply before being introduced into selective culture, improving the chances of recovering Salmonella species from the sample.
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Remel™ and Oxoid™ products are now part of the Thermo Scientific brand.
1. ISO 6579-1:2017 Microbiology of the food chain -- Horizontal method for the detection, enumeration and serotyping of Salmonella -- Part 1: Detection of Salmonella spp.
2. ISO 11133:2014 Microbiology of food, animal feed and water - Preparation, production, storage and performance testing of culture media.