Hybrid Electronic Tongues Applied to the Quality Control of Wines

<div class="floats-full-page floats-full-page-other"><h2>Table 3</h2><div class="floats-full-page-caption">Relative errors obtained in the quantification of chemical parameters using the PLS regression for a set of white wines.</div><div class="floats-full-page-content"><table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="7"><hr /></td></tr><tr class="thead"><td align="left">Sample</td><td align="center">VAD</td><td align="center">Total acidity</td><td align="center">pH</td><td align="center">[Ca<sup>2+</sup>]</td><td align="center">[Mg<sup>2+</sup>]</td><td align="center">Glycerol</td></tr><tr><td class="thead-hr" colspan="7"><hr /></td></tr><tr><td align="left">Macabeu</td><td align="center">2.82</td><td align="center">3.7</td><td align="center">0.79</td><td align="center">0.7</td><td align="center">4.9</td><td align="center">6.0</td></tr><tr><td align="left">Parellada</td><td align="center">0.07</td><td align="center">9.5</td><td align="center">3.55</td><td align="center">5.1</td><td align="center">0.1</td><td align="center">2.0</td></tr><tr><td align="left">Chardonnay</td><td align="center">3.32</td><td align="center">2.7</td><td align="center">1.16</td><td align="center">5.7</td><td align="center">2.2</td><td align="center">4.3</td></tr><tr><td align="left">Xarel<i>·</i>lo</td><td align="center">0.62</td><td align="center">1.0</td><td align="center">4.76</td><td align="center">4.0</td><td align="center">2.8</td><td align="center">12.3</td></tr><tr><td align="left">Mean error (%)</td><td align="center"><b>1.71</b></td><td align="center"><b>4.2</b></td><td align="center"><b>2.56</b></td><td align="center"><b>3.9</b></td><td align="center"><b>2.5</b></td><td align="center"><b>6.2</b></td></tr><tr class="table-tr"><td colspan="7"><hr class="tbody-hr" /></td></tr></table></td></tr></table></div></div>

Table 3 | Hybrid Electronic Tongues Applied to the Quality Control of Wines

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Table 3: Hybrid Electronic Tongues Applied to the Quality Control of Wines

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Table 3

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