Buffered Peptone Water (ISO)

Buffered Peptone Water (ISO)

A pre-enrichment medium designed to help sub-lethally damaged Salmonella spp. recover before introducing them into a selective medium. This non-selective, nutritious medium is free from inhibitors and is well buffered to maintain the pH at 7.0 for the incubation period according to ISO 6579 (2002).

Additional Information


Shelf Life (days)

Storage Temp (°C)




Product Description

Organisms Ref. No Result
Productivity testing – Enrichment Medium
Escherichia coli NCTC 12241 Growth
Staphylococcus aureus NCTC 12981 Growth
Salmonella typhimurium NCTC 12023 Growth
 Viability Maintenance – Diluent 
 Escherichia coli NCTC 12241 Stable viability
Staphylococcus aureus NCTC 12981 Stable viability
Listeria monocytogenes NCTC 11994 Stable viability