Reddish-brown solid. PROTECT FROM LIGHT. 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. RTECS DU3038000, CAS 635-65-4. Merck Index: 14, 1218
Ref.: Ossala, J.O., et al. 1998. Int. J. Biochem. Cell Biol. 30, 285. Scigliano, G., et al. 1997. Ital. J. Neurol. Sci. 18, 69. |
