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. 2019 Aug 5;8(8):267. doi: 10.3390/plants8080267

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© 2019 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Comparison of (a) anthocyanin, and (b) flavonoid composition between Rosa ‘Margo Koster’ (pink) and Rosa ‘White Margo Koster’. The horizontal axis represents retention time, the vertical axis represents response units, and numbers on the peaks represent different compositions of anthocyanin and flavonoid. (a) 1-cyanidin 3,5-diglucoside, 2-pelargonidin 3,5-diglucoside, 6-pelargonidin 3-glucoside; (b) 2-kaempfeol-3-rutinoside, 12-kaempferol-3-glucoside, 13-kaempferol-3-O-α-d-arabinoside, 14-kaempferol-3-O-β-glucopyranosyl-7-O-α-rhamnopyranoside, 15-kaempferol-3-rhamnopyranoside (afzelin), and 16-multiflorin A.