:: : : Actually, the yellow color comes from urochrome and bilirubin.
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:: : I don't believe urochrome has anything to do with why helicopters may be black.
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Also looks like that art on urochrome needs expanding considerably .-- Light current 17 : 49, 31 August 2006 ( UTC)
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When there is acidity, why the colour of urine become deep yellow ? Is due to high level of urochrome ? Preceding contribs ) 17 : 26, 3 September 2013 ( UTC)
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"' Uroerythrin "'is a red pigment present in the urine, where it is part of a group of yellow, brown and red pigments generally designated as " urochrome ".