B470 

COAGULASE MANNITOL AGAR BASE

Formula

Ingredients 

gms/lit.

Brain heart infusion

Casein enzymic hydrolysate 

Papaic digest of soyabean meal 

Sodium chloride 

Mannitol 

Bromo cresol purple 

Agar 

5.00

10.50

3.50

3.50

10.00

0.02

14.50

Final pH (at 25°C) : 7.4 + 0.2

Directions 

Suspend 47 gms. in 1000 ml. distilled water. Boil to dissolve the medium completely. Sterilize by autoclaving at 12-15 lbs pressure (118-121°C) for 15 minutes. Cool to 45-50°C.Add 7-15% v/v sterile, pretested, coagulase plasma to the basal medium. Mix well and pour into sterile petri plates.

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