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

Columbia Blood Agar Base (Powder)


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Supplemented with blood an excellent general purpose growth medium for fastidious organisms.
Catalog #C7600
DescriptionColumbia Blood Agar Base is usually prepared with horse, sheep, or rabbit blood to determine the hemolytic reactions of fastidious pathogenic microorganisms. Columbia Blood Agar Base can be prepared as Blood Agar or Chocolate Agar or used without blood as a general purpose medium. This medium contains a highly nutritious combination of peptones. The addition of starch enhances the recovery of Neisseria, and hemolytic reactions of some streptococci.
Microbiological Analysis
Escherichia coli ATCC 25922Growth
Staphylococcus aureus ATCC 25923Growth Beta
Streptococcus pneumonia ATCC 6305Growth Alpha
Streptococcus pyogenes ATCC 19615 Growth Beta
Beige, homogeneous, free flowing powder.
Cherry-red, opaque.
pH (25°C)
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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