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.