Neogen® Letheen Broth Base Modified without Tween

SKU N°  700003340  |  Numéro de catalogue  NCM0129A

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Letheen Broth Base Modified without Tween is used with Polysorbate 80 for the recovery of microorganisms from cosmetics in a laboratory setting. Letheen Broth Base Modified without Tween is not intended for use in the diagnosis of disease or other conditions in humans.

In 1948, Weber and Black described the value of a highly nutritional solid medium containing neutralizing agents for quaternary ammonium compounds in sanitizers. The addition of Lecithin and Polysorbate 80 to Tryptone Glucose Extract (TGE) Agar resulted in a medium that effectively neutralizes quaternary ammonium compounds in testing of germicidal activity. Total neutralization of disinfectants is critical. Disinfectant residues can result in a false negative (no-growth) test.

Letheen Broth Base Modified without Tween is based on the formula described in FDA Bacteriological Analytical Manual, and a modification of Letheen Broth Base. Letheen Broth Base Modified is recommended by the FDA for use in the microbiological testing of cosmetics.

Spécifications
MarqueNeogen® Culture Media
AnalyteNon sélectif
PlateformeMilieux de culture déshydratés
Masse500 grammes
Grammes par litre37,80
Litres par 500 g13,00
Dimensions du paquet4,60 pouce x 2,90 pouce x 8,60 pouce
Poids du paquet1,35 Livres

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