B1147 

BISMUTH SULPHITE AGAR

Formula

Ingredients 

gms/lit.

Peptic digest of animal tissue 

Pancreatic digest of casein 

Beef Extract 

Dextrose 

Disodium phosphate 

Ferrous Sulphate 

Bismuth Sulphite Indicator 

Brilliant Green

Agar

5.00

5.00

5.00

5.00

4.00

0.30

8.00

0.025

20.00

Final pH (at 25°C) : 7.7 + 0.2

Directions 

Suspend 52.32 grams in 1000ml distilled water. Boil to dissolve the medium completely and sterilize at 121 c.for 15 minutes The sensitivity of the medium depends largely upon uniform dispersion of precipitated Bismuth sulphite in the final medium which should be dispersed before pouring into the sterile petri plates.

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