B284

PHENOL RED BROTH  Base

Formula

Ingredients

gms/lit.

Proteose peptone

Beef extract

Sodium chloride

Phenol red 

10.00

1.00

5.00

0.018 

Final pH (at 25°C) : 7.4 + 0.2

Directions 

Suspend 16 gms. of B284 in 1000 ml. distilled water Heat to dissolve the medium completely. Dispense in tubes containing inverted Durham’s tubes and sterilize by autoclaving at 15 lbs pressure (121°C) for 15 minutes. Aseptically add filter sterilized or autoclave sterilized carbohydrate solution to sterile basal medium (B284).

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