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. 2011 Mar 7;16(3):2218–2232. doi: 10.3390/molecules16032218

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© 2011 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 license (http://creativecommons.org/licenses/by/3.0/).

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HPLC Chromatogram of a potato peel polyphenolic extract. Ascorbic acid (peak 1), chlorogenic acid (peak 2), caffeic acid (peak 3), ferulic acid (peak 4) and rutin (peak 5).