What Is Bile Pigment Called?

What Is Bile Pigment Called? Bilirubin, which is reddish-orange in colour, is the major bile pigment produced by breakdown of either haemoglobin or myoglobin in the reticuloendothelial system. What is bile pigment in biology? Bilins, bilanes or bile pigments are biological pigments formed in many organisms as a metabolic product of certain porphyrins. Bilin (also