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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