wine -- not cooking wine

Wine is an alcoholic beverage produced by the fermentation of grape juice (Vitis species) by yeast, typically Saccharomyces cerevisiae, which converts sugars into ethanol and carbon dioxide. The practice dates back millennia, with archaeological evidence placing early wine production in the Caucasus region around 6000 BCE, though viticulture became systematized in ancient Egypt, Greece, and Rome.

Wine's character is determined by grape variety (cultivar), terroir (soil, climate, and geography), harvest timing, and winemaking techniques. The primary categories are still wines (non-carbonated), sparkling wines (carbonated through méthode champenoise or other processes), and fortified wines (augmented with spirits). Dry wines contain minimal residual sugar; sweet wines retain higher sugar content. Key flavor compounds include volatile esters, phenolics, and tannins, which develop during fermentation and aging. Regional classifications include Old World (Europe) and New World (Americas, Oceania, South Africa) traditions, each with distinct stylistic conventions.

Wine plays a multifaceted role in gastronomy, both as a beverage and culinary ingredient. At table, wine is selected to complement food through flavor pairing—tannins in red wines pair with fatty or protein-rich dishes, while acidity in white wines balances rich sauces. Wine is essential in the kitchen for deglazing pans, creating pan sauces, and poaching proteins; the alcohol typically evaporates during cooking, leaving concentrated flavor and acidity. In classical French cuisine, wine reductions form the foundation of sauces like beurre rouge and Bordelaise. Wine also features in braising liquids, risottos, and marinades. The choice of wine—its acidity, tannin structure, and flavor profile—directly impacts the final dish's complexity and balance.