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You are here:Home » Culture Media » Media-Microbiological » Blood Agar Base, Low pH (Powder)

Blood Agar Base, Low pH (Powder)


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Cultivate a wide variety of bacteria, usually prepared with blood to observe hemolytic reactions.
Catalog #B2110-02
DescriptionThese Blood Base media contain highly nutritious extracts or digests of beef. The beef products supply vitamins, carbohydrates, salts and other organic nitrogen compounds. Other peptones provide additional growth factors. Sodium chloride provides essential ions and electrolyte balance. Lowering pH to 6.8 enhances hemolytic reactions of streptococci.
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 25922)Growth
Staphylococcus aureus (ATCC 25923)Growth Beta
Streptococcus pneumonia (ATCC 6305)Growth Alpha
Streptococcus pyogenes (ATCC 19615)Growth Beta
AppearanceLight beige, homogeneous and free flowing
SolubilityCherry-red and opaque..
pH6.8 ± 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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