For the isolation & enumeration of Enterococci in sewage, water & foods by membrane
filter technique.
Specifications
PHYSICAL PARAMETERS
Description
A fine, free flowing, hygroscopic powder
Color
Pinkish beige colored powder.
Solubility
Soluble in Distilled / de-ionized water at 50˚C
Color
Light pink colored opalescent
pH
7.2 ±0.2 at 25˚C (41.50 g/ l)
Solidification
40˚C
Color
Light pink colored opalescent gel
Contents
Ingredients
Gram/Litre
Tryptose
15.000
Soya peptone
5.000
Yeast extract
5.000
Dextrose
2.000
Disodium phosphate
4.000
Sodium azide
0.400
Triphenyl tetrazolium chloride
0.100
Agar
10.000
pH at 25˚C
7.2 ±0.2
Directions
Dissolve 41.50 grams in 1000 ml distilled water. Boil to dissolve the medium
Completely. DO NOT OVERHEAT OR AUTOCLAVE. Cool to 45-50°C and distribute
aseptically in petri plates and allow to solidify. Ensure complete solidification and inoculate test
sample aseptically.
If desired, add 0.5 ml polysorbate 80 and 2.00 ml of 10% aqueous solution of sodium carbonate,
after boiling.