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You are here:Home » Culture Media » Media-Microbiological » Phenol Red Broth Base (Powder)

Phenol Red Broth Base (Powder)


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A basal medium to which carbohydrates are added to observe fermentation reactions.
Catalog #P4035-05
Mode of ActionFermentation of the added reactant by the inoculated culture causes phenol red to change its color from red to yellow. When testing anaerobes, addition of a small quantity of agar stabilizes the anaerobiosis.
Typical Quality ControlTest strains
Staphylococcus aureus ATCC 25923
Enterococcus faecalis ATCC 11700
Klebsiella pneumoniae ATCC 13883
Proteus vulgaris ATCC 13315
Shigella flexneri ATCC 12022
Salmonella typhimurium ATCC 14028
AppearanceLight to medium beige, homogeneous, free flowing powder
SolubilityRed, clear, complete
pHAs Reported
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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