Product Code TM 156
Letheen Agar is a modification of Tryptone Glucose Extract Agar with the supplementation of lecithin and Polysorbate 80. This medium is used to neutralize the quaternary ammonium compounds in the testing of germicidal activity. Letheen Medium is also recommended for testing of cosmetics. Beef extract, casein enzymic hydrolysate and dextrose supply essential nutrients and other trace elements for the microbial growth.
determination of phenol coeffcient of quaternary ammonium compounds using E.coli or Staphylococcus aureus
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