DEV Tryptophan Broth, Granulated

DEV Tryptophan Broth, Granulated is recommended for subcultivation of coliforms, differentiation and for indole testing in the bacteriological examination of water. This medium is as per German regulations of water testing.is recommended for subcultivation of coliform, differentiation and for indole testing in the bacteriological examination of water.This test demonstrates the ability of certain bacteria to decompose the amino acid tryptophan to indole which accumulates in the medium. Indole testing is recommended as an aid in the differentiation of microorganisms based on indole production. This medium is as per German regulations of water testing.