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C43H51O26N Yellow pigment found in normal urine.



a dark yellow pigment in the urine; a compound formed by the biliary pigment urobilin and unknown peptides. Urochrome gives the urine its normal color. Between 0.2 and 0.9 grams of urochrome are excreted daily under normal dietary and working conditions.

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The typical yellow-amber color is caused by urochrome and, to a lesser extent, uroerythrin or urobilin.