For sterility testing of turbid or viscous biological products.
Specifications
PHYSICAL PARAMETERS
Description
A fine, free flowing, hygroscopic powder.
Color
Beige colored powder.
Solubility
Soluble in Distilled / de-ionized water at 50˚ C
Color
Light yellow colored clear solution
pH
7.1 ±0.2 at 25℃ (29.00 g/ l)
Contents
Ingredients
Gram/Litre
Tryptone
15.000
Yeast Extract
5.000
Dextrose
5.500
Sodium Chloride
2.500
L-Cystine
0.500
Sodium Thioglycollate
0.500
pH at 25˚C
7.1 ±0.2
Directions
Dissolve 3.21 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
use for sterility test. If required adjust the pH with sterile 1N HCl or 1N NaOH.