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

Tryptose Blood Agar Base (Powder)


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A general purpose blood agar base medium.
Catalog #T9055
AppearanceLight beige powder, homogeneous, free flowing.
SolubilityYellow to light beige, turbid, incomplete.
Note: Agar will dissolve upon heating.
Cultural ResponseThe medium was prepared according to the directions with 5% sheep blood and inoculated with the organisms listed below (10-300cfu). Cultures were incubated aerobically at 35±2°C and examined for growth at 18-24 hours.
Escherichia coli ATCC 25922 Staphylococcus aureus ATC 25923 Streptococcus pneumoniae ATC 6305 Streptococcus pyogenes ATC 19615
Growth Hemolysis Excellent --- Excellent Beta Hemolysis Excellent Alpha Hemolysis Excellent Beta Hemolysis
Country of OriginThe raw animal product used in the manufacturing of Tryptose Blood Agar Base is derived from casein originating in the USA, New Zealand and/or Australia where there have been no reported cases of bovine spongiform encephalopathy
(BSE). During processing of the raw material, a batch is heated to a minimum of 80°C for 1 hour including a minimum of 5 minutes at 105°C. The product is then dried at a minimum of 140°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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