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Effects of area, year and climatic factors on Barbera wine characteristics studied by the combination of 1H-NMR metabolomics and chemometrics

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Barbera is one of the most common red grape in Italy, found in almost every region of the country. The widespread market of the corresponding wine deserves studies on its traceability and authenticity. To this end, the 1H-NMR database of several wine metabolites was built using spectra recorded in a wine-like matrix containing ethanol and tartaric acid with pH precisely adjusted. The combination of 1H-NMR metabolomics study and chemometrics (multivariate data analysis) is able to discriminate between samples of such a wine produced in three different areas of Piedmont. The influence of climatic factors on the wine characteristics has also been studied.
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Keywords: 1H-NMR; multivariate statistical analyses; terroir; vintages; wine

Document Type: Research Article

Affiliations: 1: Dipartimento di Scienze e Innovazione Tecnologica, Universit√† degli Studi del Piemonte Orientale, Alessandria, Italy 2: CREA Consiglio per la Ricerca in Agricoltura e l’Analisi dell’Economia Agraria, Centro di Ricerca per l’Enologia, Asti, Italy

Publication date: October 2, 2017

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