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urobilin

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urobilin [ˌjʊərəʊˈbaɪlɪn]
n
(Life Sciences & Allied Applications / Biochemistry) a brownish pigment found in faeces and sometimes in urine. It is formed by oxidation of urobilinogen, a colourless substance produced by bacterial degradation of the bile pigment bilirubin in the intestine
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.urobilin - brown bile pigment formed from urobilinogens and found in feces and in small amounts in urine
animal pigment - pigment occurring in animals
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Other changes include a darkening of the urine color, due to oxidation of colorless chromogens such as the oxidation of urobilinogen to urobilin, or a change in color as bilirubin is oxidized to biliverdin.
Preserving routine urine specimens, documentation of normal flora, ... by Baer, Daniel M. / Medical Laboratory Observer
The typical yellow-amber color is caused by urochrome and, to a lesser extent, uroerythrin or urobilin.
Laboratory evaluation of proteinuria by Baskin, Leland B.; Hsu, Rebecca M. / Medical Laboratory Observer
 
 
 
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