Question

what are bile pigments?where are they produced?

Answer 1

Bile pigment are naturally occurring compounds that are produced in the human body. the bile pigment are formed by decomposition of the porphyrin  ring  and contain  a chin of four pyrrole rings.  
 
 
hope its help u

Answer 2

bile pigments are the breakdown products of the blood pigment haemoglobin  which are excreted in bile. they are any coloring matter of the body.
they are produced in porphyrins.