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. 2020 May 28;25(11):2514. doi: 10.3390/molecules25112514

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© 2020 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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Representative HPLC (high-performance liquid chromatography) chromatograms of the reference extract (A), the bilberry extract samples (B), and bilberry extract sample A6 (C). Peak identification: 1, Delphinidin-3-O-galactoside (Del-3-gal); 2, Delphinidin-3-O-glucoside (Del-3-glc); 3, Cyanidin-3-O-galactoside (Cy-3-gal); 4, Delphinidin-3-O-arabinoside (Del-3-ara); 5, Cyanidin-3-O-glucoside (Cy-3-glc); 6, Petunidin-3-O-galactoside (Pet-3-gal); 7, Cyanidin-3-O-arabinoside (Cy-3-ara); 8, Petunidin-3-O-glucoside (Pet-3-glc); 9, Malvidin-3-O-glucoside (Mal-3-glc); 10, Malvidin-3-O-arabinoside (Mal-3-ara).