BW1128 

TRYPTOPHAN MEDIUM

Formula

Ingredients 

grm/lit.

Casein enzymic hydrolysate

DL-Tryptophan 

Sodium chloride 

10.00

1.00

5.00

Final pH (at 25°C) : 7.5 + 0.2

Directions 

Suspend 16 gms. in 1000ml. distilled water. Boil to dissolve the medium completely. Sterilize by autoclaving at 15 lbs pressure (121°C) for 15 minutes.

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