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Table 2.

Results of canonical discrimination analysis of wine samples under study based on the following discrimination parameters: Be, B, Ba, Ca, Na, Al, P, S, Si, V, Cr, Mn, Fe, Mg, Co, Ni, Cu, Zn, Sr, glu+fru, DH1ETH, DH2ETH, δ13C, δ18O, alcohol content, total acidity, volatile acidity, pH, TEAC, TPC, TFC, L*, a*, b*, chromaticity and hue angle.

Criterion Correctly classified (%) Number of misclassified samples The most important parameters
Type (red vs. white) 100 0 Chromaticity, a*, alcohol content, P, Fe, δ13C
Origin (AT vs. CZ vs. SRB) 100 0 TPC, a*, alcohol content, Be, V
Vintage (2016 vs. 2017) 100 0 Chromaticity, a*, TPC, alcohol content, Be, Al, V, glu + fru
Origin + Chromaticity, a*,
vintage 100 0 TPC, alcohol content,
a*, Ca, glu + fru

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