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Chromatogram of Golden Rice carotenoids. Each labeled chromatographic peak represents an identified carotenoid compound: 1, lutein; 2, anhydrolutein; 3, zeaxanthin; 4, cryptoxanthin; 5, 13-cis β-carotene; 6, all-trans β-carotene; 7, 9-cis β-carotene.
