Fraser Broth Base

201060120500

APPLICATION

Fraser Broth Base is recommended as a primary as well as secondary enrichment medium for the isolation and enumeration of Listeria monocytogenes from foods, environmental specimens and animal feeds.

Composition* 

Ingredients 
g/L
Peptic Digest of Animal Tissue
5.0
Casein Enzymic Hydrolysate
5.0
Yeast Extract
5.0
Cara Meat Extract#
5.0
Sodium Chloride
20.0
Disodium Hydrogen Phosphate. 2H2O
12.0
Potassium Dihydrogen Phosphate
1.35
Lithium Chloride
3.0
Esculin
1.0

*Adjusted to suit performance parameters.
  Final pH (at 25°C): 7.2 ± 0.2
#Equivalent to Meat Extract

g/L: Suspend 54.92 g of the (equivalent weight of dehydrated medium per litre) powder in 1000 mL purified / distilled water.

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