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The carotenoid amount, LC-Ms profiles of carotenoid fingerprints and component quantitation in transgenic Oncidium plants. (A) Total carotenoid amount; (B) LC-Ms profiles of carotenoid components. No.1-7 represent neoxanthin, violaxanthin, antheraxanthin, lutein-5-6-epoxide, lutein, zeaxanthin and phytoene, respectively. (C) Quantitation of carotenoid component. The experiment was repeated three times.
