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The aims were to determine the polyphenolic profile of red wines from Spanish Designation of Origin (DO) Rías Baixas and Ribeira Sacra and to evaluate the feasibility of using polyphenolic profiles and chemometric tools to classify wines for authentication purposes. Trans-resveratrol, oenin, malvin, (+)-catechin, (−)-epicatechin, quercetin and syringic acid were determined in 39 samples. Soft independent...
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