Bixin is an apocarotenoid found in the seeds of the Bixa orellana ( Bixa orellana) from which it derives its name. It is commonly extracted from the seeds to form annatto, a natural food coloring, containing about 5% pigments, of which 70–80% are bixin. Executive Summary Bixin , National Toxicology Program
Bixin is soluble in fats and alcohols but insoluble in water. Upon exposure to alkali, the methyl ester is hydrolysis to produce the dicarboxylic acid norbixin, a water-soluble derivative.
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