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3,3′‐dihydroxy‐β,β‐carotene‐4,4′‐dione; a carotenoid pigment found mainly in animals (e.g. crustaceans, echinoderms) but also occurring in plants. It can occur free (as a red pigment), as an ester (e.g. the dipalmitate), or as a blue, brown, or green chromoprotein.


Subjects: Chemistry — Medicine and Health.

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