Art and Science of Laboratory Medicine

Art and Science of Laboratory Medicine

Sunday, March 9, 2014

Chromogenic Culture Media Technology

This technology is based on soluble colourless molecules (called chromogens), composed of a substrate (targeting a specific enzymatic activity) and a chromophore.
When the target organism’s enzyme cleaves the colourless chromogenic conjugate, the chromophore is released. In its unconjugated form, the chromophore exhibits its distinctive colour and, due to reduced solubility, forms a precipitate.

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Chromogenic agar Technology

 Source: Chromagar

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