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. 2016 Feb 9;21(2):208. doi: 10.3390/molecules21020208

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© 2016 by the authors.

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

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Antioxidant capacities of various polyphenol mixtures. 2012-mix and 2013-mix contain major polyphenols in molar ratios as identified in Pinot noir grapevine leaves collected in 2012 and 2013, respectively (see Table 6 for a full list of leaf phenolics). CA, caftaric acid; Que-3-glu, quercetin-3-O-glucuronide; Que-3-glc, quercetin-3-O-glucoside. Column heights and error bars correspond to means and standard deviations, respectively. Statistically (p < 1%) different data sets are labeled using different letters (a–e).