胆红素 98%

Bilirubin is a principal pigment of bile and one of the major end products of hemoglobin decomposition. It contains conjugated double bonds and reactive hydrogen atoms. Serves as a physiological antioxidant. Reported to cross the blood-brain barrier and exert significant antioxidant effects in the brain. This product corresponds to the unconjugated form. Extinction coefficient (454 nm, CHCl3):59,100-62,300 M-1cm-1.