Ethyl Violet Azide Broth (E.V.A. Broth)

ARTICLE NO. OLFC-690
HSN NO. 38210000


Pack Size

Size
100 GM
500 GM

Application

For selective and confirmatory detection of Enterococci as an indicator of faecal pollution in water.


Specifications

PHYSICAL PARAMETERS
Description A fine, free flowing, hygroscopic powder
Color Light beige colored powder.
Solubility Soluble in Distilled/de-ionized water at 50°C
Color Light amber colored opalescent
pH 7.0±0.2 at 25˚C (35.80 g/ l)

Contents

Ingredients Gram/Litre
Tryptose20.000
Dextrose5.000
Dipotassium Phosphate2.700
Monopotassium Phosphate2.700
Sodium Chloride5.000
Sodium Azide0.400
Ethyl Violet0.0008
pH at 25˚C7.0 ±0.2


Directions

Dissolve 35.80 grams in 1000 ml distilled water. Boil to dissolve the medium completely and distribute aseptically. Sterilize by autoclaving at 15 lbs pressure (121 °C) for 15 min, cool it to 42-45 °C and inoculate test sample aseptically.