Letheen Broth (Twin Pack)

201120180500

APPLICATION

Pharmaceuticals

Letheen Broth (Twin Pack) is a medium recommended for determination of bactericidal activity of quaternary ammonium compounds using Escherichia coli or Staphylococcus aureus.

Composition*

Ingredients	g/L
PART A
Peptone	10.0
Beef Extract	5.0
Sodium Chloride	5.0
Lecithin	0.7
PART B
Polysorbate 80	5.0ml

*Adjusted to suit performance parameters.
Final pH (at 25°C): 7.0 ± 0.2

g/L: Suspend 20.70 g of the powder of Part A in 995 mL purified / distilled water and add 5 ml of Part B.

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