Hybrid Electronic Tongues Applied to the Quality Control of Wines

<div class="floats-full-page floats-full-page-other"><h2>Table 4</h2><div class="floats-full-page-caption">Relative errors obtained in the quantification of chemical parameters using the PLS regression for a set of red wines.</div><div class="floats-full-page-content"><table class="table-group" id="tab4"><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">[K<sup>+</sup>]</td><td align="center">Glycerol</td></tr><tr><td class="thead-hr" colspan="7"><hr /></td></tr><tr><td align="left">Trepat</td><td align="center">4.45</td><td align="center">0.6</td><td align="center">2.20</td><td align="center">5.1</td><td align="center">4.0</td><td align="center">8.8</td></tr><tr><td align="left">Grenache</td><td align="center">4.05</td><td align="center">7.7</td><td align="center">1.34</td><td align="center">6.1</td><td align="center">6.7</td><td align="center">2.3</td></tr><tr><td align="left">Merlot 2007</td><td align="center">2.31</td><td align="center">2.6</td><td align="center">0.91</td><td align="center">3.9</td><td align="center">0.7</td><td align="center">3.8</td></tr><tr><td align="left">Merlot 2008</td><td align="center">6.52</td><td align="center">8.0</td><td align="center">2.03</td><td align="center">2.4</td><td align="center">3.2</td><td align="center">5.6</td></tr><tr><td align="left">Cabernet S.</td><td align="center">0.99</td><td align="center">9.0</td><td align="center">4.01</td><td align="center">8.7</td><td align="center">8.5</td><td align="center">2.7</td></tr><tr><td align="left">Mean error (%)</td><td align="center"><b>3.66</b></td><td align="center"><b>5.6</b></td><td align="center"><b>2.10</b></td><td align="center"><b>5.2</b></td><td align="center"><b>4.6</b></td><td align="center"><b>4.6</b></td></tr><tr class="table-tr"><td colspan="7"><hr class="tbody-hr" /></td></tr></table></td></tr></table></div></div>

Table 4 | Hybrid Electronic Tongues Applied to the Quality Control of Wines

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Table 4: Hybrid Electronic Tongues Applied to the Quality Control of Wines

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Table 4

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