The terroir can be defined as interactive ecosystem that includes climate, geology, soil and grapevine, and it is used to explain the hierarchy of high quality of wine. In order to understand the terroir functions, it is necessary to analyse the interactions among the geology, soil and wine. To define a geochemical fingerprint, the relationship between geochemistry of vineyard soil and chemical composition of wine from Veneto Italian Region was studied. The vineyards tested belonged to four distinct wineries located in the Veneto alluvial plain, included in the Controlled Designation of Origin (DOC) area of Prosecco. We investigated the relationship between major and trace elements in soil and their concentrations in Prosecco wine according to geographical origin. The detection of chemical composition in soil and wine were analysed by inductively coupled plasma mass spectrometry, and data were elaborated by nonparametric test and multivariate statistics Linear Discrimination Analysis. The geochemical and statistical analyses allowed to discriminate the vineyard soils according to geo-lithological characteristics of each area and to identify the geochemical "Prosecco" fingerprints, useful against fraudulent use of DOC wine labels.

Geochemical fingerprints of "Prosecco" wine based on major and trace elements

Pepi, Salvatore
Primo
Membro del Collaboration Group
;
Vaccaro, Carmela
Ultimo
Supervision
2018

Abstract

The terroir can be defined as interactive ecosystem that includes climate, geology, soil and grapevine, and it is used to explain the hierarchy of high quality of wine. In order to understand the terroir functions, it is necessary to analyse the interactions among the geology, soil and wine. To define a geochemical fingerprint, the relationship between geochemistry of vineyard soil and chemical composition of wine from Veneto Italian Region was studied. The vineyards tested belonged to four distinct wineries located in the Veneto alluvial plain, included in the Controlled Designation of Origin (DOC) area of Prosecco. We investigated the relationship between major and trace elements in soil and their concentrations in Prosecco wine according to geographical origin. The detection of chemical composition in soil and wine were analysed by inductively coupled plasma mass spectrometry, and data were elaborated by nonparametric test and multivariate statistics Linear Discrimination Analysis. The geochemical and statistical analyses allowed to discriminate the vineyard soils according to geo-lithological characteristics of each area and to identify the geochemical "Prosecco" fingerprints, useful against fraudulent use of DOC wine labels.
2018
Pepi, Salvatore; Vaccaro, Carmela
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11392/2395284
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