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Tableau 3a.

Influence du traitement de la vendange sur les principales caractéristiques physico-chimiques des moûts Comparaison des champs électriques pulsés, de la thermovinification (rouge) et du témoin.

Cépage Modalité Degré potentiel [% Vol] Sucres [g/l] Acidité totale [g/l H2SO4] pH Acide tartrique [g/l] Acide malique [g/l]
Syrah Blanc-CEP CEP Thermo 12.5 12.8 13.0 210 215 219 4.4 4.3 4.2 3.39 3.48 3.45 2.0 2.4 2.5 4.8 4.7 4.3
Fer-servadou Blanc-CEP CEP Thermo 12.4 12.2 12.6 209 205 212 3.3 3.3 3.8 3.41 3.43 3.42 3.1 2.8 3.1 2.9 2.8 3.1
Malbec Blanc-CEP∗ CEP∗ Thermo∗ 8.7 10.9 11.2 146 183 188 5.5 6.3 5.5 3.34 3.30 3.22 3.1 2.5 1.7 4.4 5.8 5.4
Cabernet Sauvignon Blanc-CEP∗ CEP∗ Thermo∗ 12.7 12.6 13.0 214 212 219 3.3 3.1 3.2 3.35 3.38 3.39 2.6 2.5 2.2 2.8 2.8 3.5
Sauvignon Témoin CEP 13.1 12.9 220 217 3.7 3.3 3.18 3.49 3.1 2.6 3.5 4.0

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