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. 2021 Oct 28;10(11):2330. doi: 10.3390/plants10112330

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© 2021 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 (https://creativecommons.org/licenses/by/4.0/).

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Chromatographic profile of the anthocyanins from the red onion skins extract obtained by ultrasounds-assisted extraction: Peak (1) cyanidin 3-O-glucoside; Peak (2) cyanidin 3-O-laminaribioside; Peak (3) cyanidin 3-O-(3″-malonylglucoside); Peak (4) peonidin 3-O-glucoside; Peak (5) cyanidin 3-O-(6″-malonylglucoside); Peak (6) cyanidin 3-O-(6″-malonyl-laminaribioside); Peak (7) peonidin 3-O-malonylglucoside and Peak (8) cyanidin 3-dimalonylaminaribioside.