Wine: What's in a GrapeWine grape varieties represent only a small portion of the more than 600 kinds of grapes, and each grape variety has its own unique combination of characteristics, including color, size, skin thickness, acidity and flavors. Vineyards grow a variety of grapes to make wines called varietals, which simply means wines made from a single kind of grape. White Wine VarietalsThis category of wine includes the range of yellow, golden wines created from the juice of grapes which is immediately removed from the skins and seeds just prior to fermentation. Although Chardonnay still reigns as the queen of white wines, the spicy to slightly sweet Gewurztraminer; the light, fruity Riesling; and Pinot Grigio and Pinot Gris, both from the same grape, are just a few of the white wines attempting to give Chardonnay a run for its money. Gewurztraminer, Riesling, and Pinot Gris and Pinot Grigio are all names for their grapes rather than their regions of origin. The white wine varietals average around 119 calories per 5 oz glass, yet vary in carbs and alcohol content more so than the red wine varietals. Red Wine VarietalsRed wines get their color from grapes with red and purple skins and can range in color from bright red to near black. Cabernet Sauvignon's intense flavor and complexity make it one of the most recognized red-wine grapes; Merlot, with higher sugar levels and lower tannins than Cabernet Sauvignon, has been experiencing increased popularity in recent decades; and Pinot Noir, the red grape of France's Burgundy region, is another fine variety of red wine. The red wine varietals have slightly higher calories per 5 oz glass than their white counterparts but, for the most part, they have similar percentage of alcohol per glass. The red wine varietals average 3.77 carbs per 5 oz glass. Non-Varietal and Blended WinesBlush or rose is a generic term given to wines that are produced from red grapes whose skins have been removed early in the fermentation process, giving the wine its distinctive light pink to light apricot hue. Late Harvest wines are made from grapes that are picked toward the end of the harvest, yielding extremely ripe grapes with higher sugar content, increased sweetness, and higher alcohol content. These wines are most often used as dessert wines. Blush and rose wines jump slightly in calorie and carb counts, but it is the late harvest wines that see a dramatic increase in calories and alcohol content. Sparkling White WinesMost sparkling wines are blends of several grape varieties that go through a "secondary fermentation" that allows the carbon dioxide gas that was released during the first fermentation to be reintroduced and dissolved into the wine, giving the wine its characteristic bubbles. Champagne is a sparkling wine produced exclusively in the Champagne wine region of France. Sparkling wines have reduced calorie and carb levels compared to the red and white varietals, with a slight increase in alcohol content. Fortified WinesFortified wines are wines that are fortified with extra spirit. Port is fortified with a neutral grape spirit added part way through fermentation, leading to its sweetness and high alcohol level. Sherry is another example of a fortified wine that is fortified with brandy. Fortified wines are clearly the highest in calorie, carb, and alcohol contents.
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