Explain colouration of faeces - functions of bile, Science

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Explain Colouration of faeces - Functions of Bile

The iron-free breakdown products of haemoglobin (i.e. bilirubin and biliverdin) oxidize to brown stereobilin. This stereobilin gives the faeces their characteristic brown-yellow colour. Thus bile colours the faeces. Dark coloured stools in jaundice patients indicate lot of RBC destruction and formation of more bile pigments.


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