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. 2021 Nov 3;10(11):1755. doi: 10.3390/antiox10111755

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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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Anthocyanins identified in red onion. Chromatograms peaks corresponding to the nine anthocyanins identified in the UAE extracts from red onion samples. 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. delphinidin 3,5-O-diglucoside, peak 6. cyanidin 3-O-(6″-malonylglucoside), peak 7. cyanidin 3-O-(6″-malonyl-laminaribioside), peak 8. peonidin 3-O-(6″-malonylglucoside), peak 9. delphinidin 3-O-glucoside.