A colorless substrate that is acted on by an enzyme to produce a colored end product.

Microbiology. . 2009.

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  • Chromogen — Chro mo*gen, [Gr. ? color + gen.] [1913 Webster] 1. (Biol.) Vegetable coloring matter other than green; chromule. [1913 Webster] 2. (Chem.) Any colored compound, supposed to contain one or more chromophores. [1913 Webster] …   The Collaborative International Dictionary of English

  • chromogen — [krō′mə jən] n. [ CHROMO + GEN] 1. any substance that can become a pigment or coloring matter, as a substance in organic fluids that forms colored compounds when oxidized, or a compound, not itself a dye, that can become a dye 2. any of certain… …   English World dictionary

  • Chromogen — Chro|mo|gen [↑ Chromo (2) u. ↑ gen], das; s, e: eine farblose, ungesättigte chem. Verb., deren chromophore Gruppe (↑ Chromophor) Licht nur im UV Bereich absorbiert. Farbigkeit erlangt das C. Molekül erst durch den Eintritt auxochromer Gruppen (↑… …   Universal-Lexikon

  • chromogen — chromogenas statusas T sritis chemija apibrėžtis Junginys, turintis chromoforą. atitikmenys: angl. chromogen rus. хромоген …   Chemijos terminų aiškinamasis žodynas

  • chromogen — noun Etymology: International Scientific Vocabulary Date: 1858 1. a precursor of a biochemical pigment 2. a pigment producing microorganism …   New Collegiate Dictionary

  • chromogen — n. [Gr. chroma, color; genos, birth] A colorless substance that is the precursor of a pigment …   Dictionary of invertebrate zoology

  • chromogen — /kroh meuh jeuhn, jen /, n. 1. Chem. a. any substance found in organic fluids that forms colored compounds when oxidized. b. a colored compound that, though not a dye itself, can be converted into a dye. 2. a chromogenic bacterium. [1855 60;… …   Universalium

  • chromogen — noun a) Any substance that lacks colour, but can be converted into a pigment or dye b) A strongly pigmented organelle or organism …   Wiktionary

  • chromogen — 1. A substance, itself without definite color, that may be transformed into a pigment; denoting especially benzene and its homologs toluene, xylene, quinone, naphthalene, and anthracene, from which the aniline dyes are manufactured. 2. A …   Medical dictionary

  • chromogen — chromo|ge̱n [↑chromo... u. ↑...gen]: Farbstoff bildend (z. B. von Bakterien gesagt) …   Das Wörterbuch medizinischer Fachausdrücke

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