B116 

BLOOD AGAR BASE NO.2

Formula

Ingredients 

gms/lit.

Proteose peptone

Liver extract 

Yeast extract 

Sodium chloride 

Agar 

15.00

2.50

5.00

5.00

15.00

Final pH (at 25°C) : 7.4 + 0.2

Directions 

Suspend 21.25 gms. in 500 ml. distilled water. Boil to dissolve the medium completely. Sterilize by autoclaving at 15 lbs pressure (121° C) for 15 minutes. Cool to 40 – 50° C and aseptically add 7% v/v sterile defribinated blood.

Print This Page

Close Window