B221 

LEGIONELLA AGAR BASE

Formula

Ingredients 

gms/lit.

Yeast extract

Charcoal activated 

ACES buffer

α - Ketoglutarate 

Potassium hydroxide 

Agar 

10.00

1.50

6.00

1.00

1.50

17.00

Final pH (at 25°C) : 6.9 + 0.2

Directions 

Suspend 18.5 gms. in 500ml. distilled water. Sterilize by autoclaving at 15 lbs pressure (121°C) for 15 minutes. Do not heat prior to sterilization. Cool to 50°C and aseptically add rehydrated contents of 1 vial of Legionella Growth Supplement (BF115) and Legionella Selective Supplement (BF022). Mix well and pour into sterile petri plates. Stir the medium during dispensing to prevent settling of charcoal particles. 

Print This Page

Close Window