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Abbreviations: CYP97C, heme-containing cytochrome P450 carotene ε-ring hydroxylase; HYDB, β-carotene hydroxylase (non-heme di-iron β-carotene hydroxylase (BCH) and heme-containing cytochrome P450 β-ring hydroxylases CYP97A and CYP97B); LYCB, lycopene β-cyclase; LYCE, lycopene ε-cyclase; VDE, violaxanthin de-epoxidase; ZEP, zeaxanthin epoxidase.
