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Stercobilin
From Wacklepedia - The Free Encyclopedia
The reddish-brown color of human
feces
is derived from
stercobilin
, a tetrapyrrole chemical compound created by bacterial action on
bilirubin
and subsequent oxidation.
External links
http://www.chem.qmul.ac.uk/iupac/tetrapyrrole/TP/D6.html