Wines
Type | Alcoholic beverage |
---|---|
Country of origin | Various |
Ingredients | Primarily grapes, but also other fruits |
Wine is an alcoholic beverage made from fermented grapes or other fruits. The chemical balance of grapes allows them to ferment without the addition of sugars, acids, enzymes, water, or other nutrients. Yeast consumes the sugar in the grapes and converts it to ethanol and carbon dioxide, releasing heat in the process. Different varieties of grapes and strains of yeasts produce different styles of wine. These variations result from the complex interactions between the biochemical development of the grape, the reactions involved in fermentation, the terroir (the unique environment including geography, climate, and soil), and the production process.
History[edit | edit source]
The history of wine spans thousands of years and is closely intertwined with the history of agriculture, cuisine, civilization, and humanity itself. Archaeological evidence suggests that the earliest production of wine may have been in what is now Georgia, Iran, and Armenia, dating back to 6000–5800 BC. Wine reached the Balkans by 4500 BC and was consumed and celebrated in ancient Greece, Rome, and Egypt.
Production[edit | edit source]
The production of wine is a resource-intensive process that involves the cultivation of grape vines, harvesting of grapes, fermenting the grapes, aging the wine, and finally packaging. Wine production occurs in vineyards in wine-producing regions all over the world with notable regions including Bordeaux, Napa Valley, Tuscany, and Barossa Valley.
Vineyard and Harvesting[edit | edit source]
The quality of the wine starts with the quality of the grapes. Factors such as climate, soil type, and grape variety impact the quality and quantity of the harvest. Harvesting can be done manually or mechanically, and the timing of the harvest is crucial to get the desired balance of sugar, acidity, and flavor.
Fermentation and Aging[edit | edit source]
After harvesting, the grapes are crushed and fermented. Red wine is made from the must (pulp) of red or black grapes and fermentation occurs together with the grape skins, which give the wine its color. White wine is made by fermenting juice which is made by pressing crushed grapes to extract a juice; the skins are removed and play no further role. Following fermentation, the wine is aged in barrels or tanks before bottling.
Types of Wine[edit | edit source]
Wine is categorized primarily by the grape variety used and the region where the grapes are grown. Wines can be broadly classified into several types:
- Red wine: Made from dark-colored grape varieties. The actual color of the wine can range from intense violet, typical of young wines, through to brick red for mature wines and brown for older red wines.
- White wine: Produced by the alcoholic fermentation of the non-colored pulp of grapes, which may have a skin of any color.
- Rosé wine: Made from red grapes, but has a much shorter fermentation with the grape skins, giving it a pink color.
- Sparkling wine: Includes Champagne, which is produced in the Champagne region of France under rules that demand secondary fermentation of the wine in the bottle to create carbonation.
- Dessert wine: Sweet wines typically consumed with dessert. There is a wide range of dessert wines, including Port, Sherry, and Tokaji.
Cultural Significance[edit | edit source]
Wine has significant cultural, religious, and social roles in many societies. It is deeply embedded in many traditions and ceremonies, and often symbolizes hospitality and sharing. Wine tasting, wine pairing with food, and wine tourism are significant aspects of the wine industry.
Challenges[edit | edit source]
The wine industry faces several challenges including climate change, which impacts grape production, and changing consumer preferences. Additionally, the industry must navigate issues related to land use, water use, and the management of pests and diseases.
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Contributors: Prab R. Tumpati, MD