For screening cosmetic products for microbial contamination.
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 (42.80 g/ l)
Contents
Ingredients
Gram/Litre
Peptone
20.000
Tryptone
5.000
Meat Extract
5.000
Yeast Extract
2.000
Tween 80
5.000
Lecithin
0.700
Sodium Chloride
5.000
Sodium Bisulfite
0.100
pH at 25˚C
7.0 ±0.2
Directions
Dissolve 42.80 grams in 1000 ml distilled water. Boil to dissolve the medium
completely and sterilize by autoclaving at 15 lbs pressure (121°C) for 15 min, cool it to 42-45 °C
and inoculate test sample aseptically.