For selective isolation and enumeration of yeasts and moulds from food samples.
Specifications
PHYSICAL PARAMETERS
Description
A fine, free flowing, hygroscopic powder
Color
Beige colour powder
Solubility
Soluble in Distilled/de-ionized water at 50°C
Color
Pale colored clear to slightly colored opalescent gel
pH
5.6 ±0.2 at 25˚C (31.60 g/ l)
Solidification
40 ˚C
Color
Pale colored clear to slightly opalescent gel
Contents
Ingredients
Gram/Litre
Tryptone
5.000
Dextrose
10.000
Potassium Dihydrogen Phosphate
1.000
Magnesium sulphate
0.500
Chloramphenicol
0.100
Dichloran
0.002
Agar
15.000
pH at 25˚C
5.6 ±0.2
Directions
Dissolve 15.80 grams in 500 ml distilled water and add 110 gm of Glycerol (Analytical grade). 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 distribute aseptically in petri plates. Ensure complete solidification and inoculate test sample aseptically.