B727

MIDDLEBROOK 7H10 AGAR BASE/special

Formula 

B727

Ingredients 

gms/lit.

Amonium sulphate

L-Glutamic acid

Monopotassium Phosphate

Disodium phosphate

Sodium citrate

Ferric ammonium citrate

Magnesium sulphate

Pyridoxine hydrochloride

Biotin

Malachite green

Agar

0.50

0.50

1.50

1.50

0.40

0.04

0.05

0.001

0.0005

0.001

15.00

Final pH (at 25°C) : 6.6 + 0.2

Directions 

Suspend 19.49 gms. of B727 in 900 ml distilled water containing 5ml. glycerol. Boil to dissolve the medium completely. Distribute in 180ml. amounts in flasks and sterilize at 15 lbs pressure (121°C) for 10 minutes. To each cooled sterile 180ml. medium aseptically add 20ml. Middlebrook OADC Growth Supplement. Mix well and pour into sterile screw capped tubes or containers.

NOTE : Keep prepared medium in the dark before and after inoculation.

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