Definition: Ethanol

Scientific name for ethyl alcohol or simply the alcohol contained in wine, spirits, etc. This main alcohol in wine comes from the alcoholic fermentation of sugar by yeasts. The sweeter the must, the more alcohol is produced. The main constituent of wine after water (72 to 120 grams per litre, or 9 to 15% by volume). Alcohol serves as a carrier for aromas and flavours. On the palate, it produces a sensation of warmth.