Bixin
Bixin is a carotenoic acid that is the 6'-monomethyl ester of 9'-cis-6,6'-diapocarotene-6,6'-dioic acid. It has a role as an antioxidant, an insulin-sensitizing drug, a biological pigment, an anti-inflammatory agent, a food colouring and an apoptosis inducer. It is a carotenoic acid, a dicarboxylic acid monoester and a methyl ester.