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Letheen Agar Modified 1111 Condalab
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Letheen Agar Modified 1111 Condalab

PART NO: CL-1111
Price: €71.17
Out of Stock (Ships in approx. 3 weeks)

Letheen Agar Modified is a modification of Letheen Broth Base. This medium is highly nutritious and recommended for use in the microbiological testing of cosmetics. It can also be used to inactivate quaternary ammonium compounds and other preservatives when establishing the number of bacteria present in cosmetics and other materials. Beef extract, casein peptone and meat peptone provide nitrogen, vitamins, minerals, and amino acids essential for growth. Yeast extract is the source of vitamins, particularly of the B-group. Glucose is the fermentable carbohydrate providing carbon and energy. Sodium chloride supplies essential electrolytes for transport and osmotic balance. Lecithin, polisorbate 80 and sodium bisulphite neutralize quaternary ammonium compounds and partially neutralize the preservative system commonly found in cosmetics. Bacteriological Agar is the solidifying agent. The medium can be used for microbiological samples from surfaces that have been treated with disinfectants.


Formula g/L
Glucose 1
Casein peptone 10
Beef extract 3
Polysorbate 80 7
Sodium chloride 5
Bacteriological agar 20
Lecithin 1
Meat peptone 10
Sodium bisulphite 0.1
Yeast extract 2
ManufacturerCondalab
Manufacturer P/n1111
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