von Lintig, Johannes; Vogt, Klaus (2000). “Filling the Gap in Vitamin A Research: Molecular Identification of An Enzyme Cleaving Beta-carotene to Retinal”. Journal of Biological Chemistry275 (16): 11915–11920. doi:10.1074/jbc.275.16.11915. PMID10766819.
Woggon, Wolf-D. (2002). “Oxidative cleavage of carotenoids catalyzed by enzyme models and beta-carotene 15,15´-monooxygenase”. Pure and Applied Chemistry74 (8): 1397–1408. doi:10.1351/pac200274081397.
Lin, Min; Zhang, Min; Abraham, Michael; Smith, Susan M.; Napoli, Joseph L. (2003). “Mouse Retinal Dehydrogenase 4 (RALDH4), Molecular Cloning, Cellular Expression, and Activity in 9-cis-Retinoic Acid Biosynthesis in Intact Cells”. Journal of Biological Chemistry278 (11): 9856–9861. doi:10.1074/jbc.M211417200. PMID12519776.
Seki, Takaharu; Isono, Kunio; Ito, Masayoshi; Katsuta, Yuko (1994). “Flies in the Group Cyclorrhapha Use (3S)-3-Hydroxyretinal as a Unique Visual Pigment Chromophore”. European Journal of Biochemistry226 (2): 691–696. doi:10.1111/j.1432-1033.1994.tb20097.x. PMID8001586.
Seki, Takaharu; Isono, Kunio; Ozaki, Kaoru; Tsukahara, Yasuo; Shibata-Katsuta, Yuko; Ito, Masayoshi; Irie, Toshiaki; Katagiri, Masanao (1998). “The metabolic pathway of visual pigment chromophore formation in Drosophila melanogaster: All-trans (3S)-3-hydroxyretinal is formed from all-trans retinal via (3R)-3-hydroxyretinal in the dark”. European Journal of Biochemistry257 (2): 522–527. doi:10.1046/j.1432-1327.1998.2570522.x. PMID9826202.
BALL, S; GOODWIN, TW; MORTON, RA (1946). “Retinene1-vitamin A aldehyde.”. The Biochemical Journal40 (5–6): lix. PMID20341217.
von Lintig, Johannes; Vogt, Klaus (2000). “Filling the Gap in Vitamin A Research: Molecular Identification of An Enzyme Cleaving Beta-carotene to Retinal”. Journal of Biological Chemistry275 (16): 11915–11920. doi:10.1074/jbc.275.16.11915. PMID10766819.
Lin, Min; Zhang, Min; Abraham, Michael; Smith, Susan M.; Napoli, Joseph L. (2003). “Mouse Retinal Dehydrogenase 4 (RALDH4), Molecular Cloning, Cellular Expression, and Activity in 9-cis-Retinoic Acid Biosynthesis in Intact Cells”. Journal of Biological Chemistry278 (11): 9856–9861. doi:10.1074/jbc.M211417200. PMID12519776.
Seki, Takaharu; Isono, Kunio; Ito, Masayoshi; Katsuta, Yuko (1994). “Flies in the Group Cyclorrhapha Use (3S)-3-Hydroxyretinal as a Unique Visual Pigment Chromophore”. European Journal of Biochemistry226 (2): 691–696. doi:10.1111/j.1432-1033.1994.tb20097.x. PMID8001586.
Seki, Takaharu; Isono, Kunio; Ozaki, Kaoru; Tsukahara, Yasuo; Shibata-Katsuta, Yuko; Ito, Masayoshi; Irie, Toshiaki; Katagiri, Masanao (1998). “The metabolic pathway of visual pigment chromophore formation in Drosophila melanogaster: All-trans (3S)-3-hydroxyretinal is formed from all-trans retinal via (3R)-3-hydroxyretinal in the dark”. European Journal of Biochemistry257 (2): 522–527. doi:10.1046/j.1432-1327.1998.2570522.x. PMID9826202.