Elevated bilirubin

Bilirubin is a type of bile pigment, and it is the main pigment in human bile, appearing orange-yellow in color. It is the main metabolic product of iron porphyrin compounds in the body, is toxic, and can cause irreversible damage to the brain and nervous system, but it also has antioxidant functions and can inhibit the oxidation of linoleic acid and phospholipids. Bilirubin is an important basis for clinically judging jaundice and is also an important indicator of liver function.