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urobilin

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urobilin /uro·bi·lin/ (u″ro-bi´lin) a brown pigment formed by oxidation of urobilinogen, found in feces.
u·ro·bi·lin (yr-bln, -bln)
n.
A pigment in urine that produces an orange-red color whose intensity varies with its degree of oxidation.
urobilin
[yoo͡r′əbī′lin]
a brown pigment formed by the oxidation of urobilinogen, normally found in feces and in small amounts in urine.
urobilin [u″ro-bi´lin]
a brownish pigment formed by oxidation of urobilinogen; found in the feces and sometimes in the urine after standing in the air.
urobilin,
n a brown pigment formed by the oxidation of urobilinogen, normally found in feces and, in small amounts, in urine.
urobilin
a brownish pigment formed by oxidation of urobilinogen; found in the feces and sometimes in the urine after standing in the air.
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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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