Letheen Broth

Letheen Broth is a liquid medium used to determine the antimicrobial activity of quaternary ammonium compounds. It is also used for determining the phenol coefficient of cationic surface-active materials.

AOAC Conforms to AOAC International testing standards.

Principles of Letheen Broth Letheen Broth contains peptone and beef extract which provide the carbon and nitrogen sources necessary for growth. Lecithin and polysorbate 80 are added as surface active disinfectant neutralizing agents.2,5,6 Sodium chloride is included to maintain osmotic balance.

Principles of Letheen Broth, Modified Lecithin, Tween80, and Sodium Bisulfite neutralize quaternary ammonium compounds, phenols, and formalin present in cosmetic products. Meat Peptone, Beef Extract, Yeast Extract, and Enzymatic Digest of Casein provide nitrogenous compounds, carbohydrates, vitamins and minerals. Sodium Chloride maintains osmotic equilibrium.

Filter
Item No. Brand Name Product Description Mfr. Item No. Size Unit of Measure Your Cost Purchase
LETHEEN BROTH, MODIFIED, 2KG
3115-42
Alpha Biosciences Letheen Broth, Modified L12-109M 2 kg Each
$399.95/EA
Add to Cart On Order In Stock
LETHEEN BROTH, MODIFIED, 500G
3115-41
Alpha Biosciences Letheen Broth, Modified L12-109M 500 gram Each
$109.23/EA
Add to Cart On Order In Stock
Letheen Broth
3116-41
Alpha Biosciences Letheen Broth L12-109 500 gram Each
$67.38
Add to Cart On Order In Stock
Letheen Broth
3116-42
Alpha Biosciences Letheen Broth L12-109 2 kg Each
$201.54
Add to Cart On Order In Stock
Letheen Broth
3094-60
Difco Letheen Broth 268110 500 gram Each
$606.52
Add to Cart 2 In Stock 2 In Stock
Letheen Broth
3112-10
Criterion Letheen Broth C6021 500 gram Each
$76.30
Add to Cart 20 In Stock 20 In Stock