Lauryl Sulfate Tryptose (LST) Broth

Description

Lauryl Tryptose Broth and Lauryl Sulfate Broth, which are also known as Lauryl Sulfate Tryptose (LST) Broth, are used for the detection of coliform organisms in materials of sanitary importance.

This medium is used for the detection of coliforms in foods and dairy products. It is now the medium of choice for use in the presumptive phase of the Standard Total Coliform Multiple-Tube (MPN) Test for the microbiological examination of water. It is also listed in the Official Methods of Analysis of AOAC International.