Selective culture medium used as a presumptive test for coliform bacteria and for the selective enrichment of coliform organisms in the analysis of water.
Synonym(s): Lauryl Sulfate Tryptose Broth (LST)
Typical Composition (g/L): Tryptose 20.0; lactose 5.0; sodium chloride 5.0; sodium lauryl sulfate 0.1; di-potassium hydrogen phosphate 2.75; potassium di-hydrogen phosphate 2.75
Preparation: 35.6g/L