Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Chemical compound
Stercobilin is a tetrapyrrolic bile pigment and is one end-product of heme catabolism.[1][2] It is the chemical responsible for the brown color of human feces and was originally isolated from feces in 1932. Stercobilin (and related urobilin) can be used as a marker for biochemical identification of fecal pollution levels in rivers.[3]
^Boron W, Boulpaep E. Medical Physiology: A cellular and molecular approach, 2005. 984-986. Elsevier Saunders, United States. ISBN 1-4160-2328-3
^Kay IT, Weimer M, Watson CJ (1963). “The formation in vitro of stercobilin from bilirubin” Journal of Biological Chemistry. 238:1122-3. PMID 14031566
^Lam, Ching-Wan; Lai, Chi-Kong; Chan, Yan-Wo (1 February 1998). "Simultaneous Fluorescence Detection of Fecal Urobilins and Porphyrins by Reversed-Phase High-Performance Thin-Layer Chromatography". Clinical Chemistry. 44 (2): 345–346. doi:10.1093/clinchem/44.2.345. PMID 9474036.
Stercobilin is a tetrapyrrolic bile pigment and is one end-product of heme catabolism. It is the chemical responsible for the brown color of human feces...
Some of this remains in the large intestine, and its conversion to stercobilin gives feces their brown color. Some is reabsorbed into the bloodstream...
urobilinogen in the intestine is directly reduced to brownish colour stercobilin, which gives the feces their characteristic color. It can also be reduced...
urobilinogen, which is then further oxidized to urobilin and stercobilin. Urobilin, stercobilin and their degradation products give feces its brown color...
urobilinogen is converted into stercobilinogen and further oxidized into stercobilin. Stercobilin is excreted via feces, giving stool its characteristic brown coloration...
component of the straw-yellow color in urine. Another breakdown product, stercobilin, causes the brown color of feces. Although bilirubin is usually found...
Urobilinogen / stercobilinogen is colourless and is further oxidised to stercobilin which imparts colour to feces. Darkening of feces upon standing in air...
is from stercus ("dung"), which is also the etymon of stercoranism, stercobilin, stercoral, etc. "Jaeger". Oxford English Dictionary (Online ed.). Oxford...
is not conjugated and thus not excreted in the urine. The increase of stercobilin (urobilin) in the feces and urine is caused by the enhanced intracellular...
include the following: Pale stools occur when stercobilin, a brown pigment, is absent from the stool. Stercobilin is derived from bilirubin metabolites produced...
spectral properties are similar to the organic dye Cy5. Bilirubin Heme Stercobilin Tetrapyrrole Urobilin Boron W, Boulpaep E. Medical Physiology: a cellular...
which results from a combination of bile, and bilirubin derivatives of stercobilin and urobilin, from dead red blood cells. Normally it is semisolid, with...
urobilinogen. Urobilinogen leaves the body in faeces, in a pigment called stercobilin. Globulin is metabolised into amino acids that are then released into...
It may also lead to increased levels of the heme breakdown product stercobilin in the stool. Splenectomy of those with hemolytic disorders appears to...
convert conjugated bilirubin to stercobilinogen which is then oxidized to stercobilin and excreted in the stool. In the absence of sufficient bacteria, the...
brought to the region by the incoming Europeans. Coprolite Coprostanol Stercobilin Poinar, Hendrik N.; et al. (10 April 2001). "A Molecular Analysis of...
digestive tract and is converted to stercobilinogen. This is oxidized to stercobilin, which is excreted and is responsible for the brown color of feces. Under...
and secreted into the bile by the liver, or excreted in the feces as stercobilin and other compounds. A small fraction is excreted in the urine. Urine...
urobilinogen, which is later oxidised and either excreted with the faeces as stercobilin or in the urine as urobilin. Conjugated bilirubin appears in urine when...
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