B332 

TETRATHIONATE BROTH BASE, HAJNA (TT BROTH BASE)

Formula

Ingredients 

gms/lit.

Peptone, special

Yeast extract 

Sodium chloride 

D-Mannitol

Dextrose 

Sodium deoxycholate 

Sodium thiosulphate 

Calcium carbonate 

Brilliant green 

18.00

2.00

5.00

2.50

0.50

0.50

38.00

25.00

0.01

Final pH (at 25°C) : 7.6 + 0.2

Directions 

Suspend 91.5 gms. in 1000 ml. distilled water. Heat to boiling to dissolve the medium completely or place in flowing steam for 30 minutes. DO NOT AUTOCLAVE. Cool to 45°C. Mix & add 40 ml of iodine solution (8 g. potassium iodide & 5 g iodine per 40 ml) Mix & dispense 10 ml amounts in tubes. Do not heat after addition of iodine.

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