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Statistical investigation of the differences in the distribution of metals in Nebbiolo-based wines

Marengo, Emilio ; Aceto, Maurizio

Food chemistry, 2003-06, Vol.81 (4), p.621-630 [Periódico revisado por pares]

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Título:
Statistical investigation of the differences in the distribution of metals in Nebbiolo-based wines
Autor: Marengo, Emilio ; Aceto, Maurizio
Assuntos: Atomic spectrometry ; Biological and medical sciences ; Chemometrics ; Fermented food industries ; Food industries ; Fundamental and applied biological sciences. Psychology ; General aspects ; Italy ; Methods of analysis, processing and quality control, regulation, standards ; Piedmont ; Wine ; Wines and vinegars
É parte de: Food chemistry, 2003-06, Vol.81 (4), p.621-630
Descrição: Sixty-eight samples of red wines were analysed with inductively coupled plasma–mass spectrometry (ICP–MS). Fifty-six elements were determined, mainly metal ions at trace level concentrations. The set of samples was constituted by five classes of wines obtained from Nebbiolo grape, produced in different zones inside the province of Cuneo (Piedmont, Italy). On the basis of the elements distribution, chemometric techniques of discriminant analysis and principal components analysis were applied to distinguish the five classes. A good separation was obtained among the wines, with respect to their geographical provenance. The results obtained show that the determination of the elemental composition could be a fast way to characterise and classify wine samples.
Editor: Oxford: Elsevier Ltd
Idioma: Inglês

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