B888 

LISTERIA SELECTIVE BROTH BASE

Formula

Ingredients 

gms/lit.

Casein enzymic hydrolysate 

Papaic digest of soyabean meal 

Yeast extract

Sodium chloride 

Dipotassium hydrogen phosphate 

Dextrose

17.00

3.00

6.00

5.00

2.50

2.50

Final pH (at 25°C) : 7.3 + 0.2

Directions 

Suspend 36 gms. in 1000 ml. distilled water. Heat to dissolve the medium completely. Sterilize by autoclaving at 15lbs pressure (121°C) for 15 minutes. Cool to room temperature & aseptically add rehydrated contents of 1vl. of Listeria Selective Supplement II (BF 075 ) or 2vls. of Listeria Selective Supplement II (BF 027 ) as desired. Mix well before dispensing.

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