A general purpose blood agar base medium.||Appearance:|Light beige homogeneous, free flowing powder||Solubility:|Yellow to light beige, turbid, incomplete.|Note: Agar will dissolve upon heating.||pH:|7.2±0.2||Cultural Response:|The 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 Origin:|The 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.