RT Journal Article SR Electronic T1 An Enhanced Method for Vitis vinifera L. DNA Extraction from Wines JF American Journal of Enology and Viticulture JO Am. J. Enol. Vitic. FD American Society for Enology and Viticulture SP ajev.2011.10022 DO 10.5344/ajev.2011.10022 A1 Leonor Pereira A1 Henrique Guedes-Pinto A1 Paula Martins-Lopes YR 2011 UL http://www.ajevonline.org/content/early/2011/07/26/ajev.2011.10022.abstract AB Wine quality and value are mainly dependent on the varieties of grape, and this is of primary importance in wine identification. The aim of the present work was to enhance a wine DNA extraction protocol and, subsequently, grapevine variety identification. The enhanced method of this study is an outcome from several previously developed extraction methods. This new protocol effectively allows obtaining large amounts of high-quality DNA exhibiting an optimal 260/280 ratio. Grapevine variety DNA extracted from wine was amplifiable with a specific SSR primer. This procedure was applicable for monovarietal and old commercial wines, for both red and white wines. The potential of this enhanced method relies on the fact that it can be used for traceability as part of protecting both consumer and producer interests.