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Apocarotenoids are organic compounds which occur widely in living organisms. They are derived from carotenoids by oxidative cleavage,[1] catalyzed by carotenoid oxygenases. Examples include the vitamin A retinoids retinal, retinoic acid, and retinol; and the plant hormone abscisic acid.


  1. ^ Marasco, Erin K.; Vay, Kimleng; Schmidt-Dannert, Claudia (2006). "Identification of Carotenoid Cleavage Dioxygenases from Nostoc sp. PCC 7120 with Different Cleavage Activities". Journal of Biological Chemistry. ASBMB. 281 (42): 31583–31593. doi:10.1074/jbc.M606299200. PMID 16920703.