Chemometric analysis of minerals and trace elements in Sicilian wines from two different grape cultivars
2017
Potortί, Angela Giorgia | Lo Turco, Vincenzo | Saitta, Marcello | Bua, Giuseppe Daniel | Tropea, Alessia | Dugo, Giacomo | Di Bella, Giuseppa
Chemometric analysis are used for food authenticity evaluation, correlating botanical and geographical origins with food chemical composition. This research was carried out in order to prove that it is possible linked red wines to Nero d’Avola and Syrah cultivars of Vitis vinifera according to their mineral content, while the values of the physical and chemical parameters do not affect relevantly this discrimination. The levels of mineral elements were determined by ICP-OES and ICP-MS. Samples from cv Nero d’Avola had the highest content of Zn, Cr, Ni, As and Cd, whereas the highest mineral concentration in cv Syrah samples was represented by K, Mg, Cu, and Sb. The research highlights that it is possible linked red wines to Nero d’Avola and Syrah cultivars of V. vinifera according to their mineral contents, adding knowledge to the determination studies of the wine botanical origin.
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