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You are here:Home » Culture Media » Media-Microbiological » Buffered Peptone Water (Powder)

Buffered Peptone Water (Powder)

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Specifications

Helps in recovery of Salmonella from foods after preservation techniques.
Catalog #B8910
DescriptionEdel and Kampelmacher noted that food preservation techniques such as heat, desiccation, preservatives, high osmotic pressures or pH changes can cause sub-lethal injury Salmonella microorganisms. Preenrichment with Buffered Peptone Water allows for repair of cell damage by maintaining a high pH over the preenrichment period . The high pH capacity is especially useful for vegetable samples which have a low buffering capacity
StorageStore the sealed bottle containing the dehydrated medium at 2 to 30.0°C. Once opened and recapped, place the container in a low humidity environment at the same storage temperature. Protect it from moisture and light. The dehydrated medium should be discarded if it is not free flowing or if the color has changed from the original light beige color
Microbiological Analysis
Escherichia coli ATCC 25922Growth
Salmonella enteritidis ATCC 13076Growth
Salmonella typhi ATCC 19430Growth
Salmonella typhimurium ATCC 14028Growth
Appearance
Light beige, homogeneous, free flowing powder.
Solubility
Yellow beige, clear, complete.
pH (25°C)
7.2±0.2
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.


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