Journal of Sensors / 2014 / Article / Tab 4

Review Article

Hybrid Electronic Tongues Applied to the Quality Control of Wines

Table 4

Relative errors obtained in the quantification of chemical parameters using the PLS regression for a set of red wines.

SampleVADTotal aciditypH[Ca2+][K+]Glycerol

Trepat4.450.62.205.14.08.8
Grenache4.057.71.346.16.72.3
Merlot 20072.312.60.913.90.73.8
Merlot 20086.528.02.032.43.25.6
Cabernet S.0.999.04.018.78.52.7
Mean error (%)3.665.62.105.24.64.6