LETHEEN BROTH (as per USP)

Glucose Extract Agar was developed according to APHA for use in the microbiological examination of water. Weber and Black modified it further with addition of lecithin and polysorbate 80 and developed a laboratory procedure for evaluating bactericidal activity of quaternary ammonium compounds proposed for sanitizing food utensils. Letheen media are recommended by USP in disinfectant challenge testing.

for determination of bacterial activity of quaternary ammonium compounds using Escherichia coli or Staphylococcus aureus

Escherichia coli | Staphylococcus aureus

Food & Beverages | Pharmaceutical | Water

USP

500 gm