Blood Agar Base (Infusion Agar)

Blood Agar Base is a non-selective general-purpose medium to which sterile blood may be added for use in isolation and cultivation of Streptococci, and other fastidious pathogenic organisms like Neisseria, etc. It is also used for detection of haemolytic activity.

Composition*

*Adjusted to suit performance parameters.
  Final pH (at 25°C): 7.3 ± 0.2

g/L: Suspend 40.00 g of the powder in 1000 mL of purified / distilled water and mix thoroughly.