Tannin

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  • March 22, 2014
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Tannin is a naturally occurring component of the skins, seeds and stems of wine grapes. It is present most often in red wines, where the juice soaks in the skins to obtain the red color. During the aging process, the tannins bond with the color pigment in the wine and then settle as a deposit in the bottom of the bottle. Tannins result in an astringent, dry texture while drinking the wine. Generally, the deeper the red color of wine, the higher level of tannins present. As Cabernet Sauvignon grapes have the thickest skins, the wine is most tannic. In the making of White Zinfandel, the wine is made with very limited contact with the skins, resulting in a light blush wine with little tannins. Wines with heavy tannins, such as Cabernet Sauvignon, and Red Bordeaux, often improve and soften with age, allowing time for the tannins to integrate with the wine. Such wines often produce sediment, which settles to the bottom of the bottle. These wines should be decanted to leave behind the sediment when pouring into the glass. Wines with a lower tannin level will feel smooth, soft and silky, while those with a higher level will seem firm and more structured.

Aroma and Flavor

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  • March 22, 2014
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For a young wine the aromas are actually the smell of the grapes, intensified by the fermentation process. Older wines develop more complexities (and therefore aromas and tastes) than do young wines. Smelling the aromas of wine will enhance the flavors soon to come with the first sip. Once in the mouth, the tastebuds can detect a variety of flavors and textures, such as fruitiness, acidity, bitterness and tannins. Wine should be held in the mouth for a few seconds, and even swirled about, to release its flavors. After swallowing the wine, take note of the remaining flavor, which is often referred to as the “finish.” Good wines will have a lingering, pleasant finish, whereas lesser wines may have none at all or even leave an objectionable flavor in one’s mouth.

The different aromas and flavors emitted by wine run the gamut from fruit to vegetables to tobacco and leather. Elements that create the various flavors and aromas of wine include: the varietal of the grape(s) used, the region and vineyard in which the grapes were grown, the fermentation process including type of barrel used, the aging process, and the various additives and methods used in the creation of the wine.

Fruitiness is an important characteristic when tasting wine. Some of the more typical fruit flavors found in white wines include apples, pears, citrus, peaches, melons, pineapples and mangos. Red wines feature fruit flavors such as red currants, red cherries, black cherries, black currants, blueberries, blackberries, plums, figs, raisins and prunes.

Cool region wines generally have more acidity than wines grown in warmer regions. Heat produces a higher sugar level, decreasing the acidity level. Higher acidity wines taste crisper, and often work very well accompanying many dishes. White grapes generally have a higher acidity than do red. A good example of a varietal high in acidity in Sauvignon Blanc.

Many wines, especially Cabernet Sauvignon and Chardonnay, are made through the process of barrel fermentation and/or barrel aging. The time that the wine is exposed to the oak barrels determines the degree of oak flavor in the final product. Oak barrels may be made of American oak, or French oak, each of which imparts a particular flavor in the wine. Also of importance is the size of the barrel, with the smaller barrels resulting in a greater amount of oak flavoring of the wine. During the production of oak barrels, the wood is heated by fire and the interior becomes toasted. The more charring of the wood, the stronger the presence of oak flavor will be in the finished wine. Wines aged in oak for a good length of time will darken a wine, produce a stronger aroma, result in a richer taste of vanilla, and cause a fuller body texture.

Most wines can generally be classified as “dry,” meaning without sweetness (or low residual sugar). Those wines that are sweet include dessert wines such as Sauternes and Port, and wines labeled as “late harvest.”

Before You Sip

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  • March 22, 2014
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Swirl the wine in the glass to release the aromas. This practice is known as aerating, and helps mix the wine with air. Notice the droplets of moisture falling back into the glass. Strong and sweet wines stick to the glass, forming “legs” as they flow back into the wine. This is due to the higher alcohol level in certain wines, which adheres to the glass. Raise the glass to your nose and smell the aromas or bouquet of the wine. This is an important part of enjoying a glass of wine, as taste begins with smell.

Appearance

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  • March 22, 2014
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Lighter-bodied wines will be lighter in color (e.g., a Sauvignon Blanc is lighter than a Chardonnay, and a Pinot Noir is lighter than a Cabernet Sauvignon). Raise the glass in front of a white background (such as a dinner napkin), and tilt the wine away from you, noticing the color near the rim. Check for both color and clarity. A wine that has a brownish tinge is probably oxidized, and should be avoided.

Order of Tasting

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  • March 22, 2014
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Tasting should begin with white wines, and then move on to the red wines. Wines should be tasted in order of body-style, starting with light, then medium, and then full-bodied. (Light-bodied wines have the lowest alcoholic content, while full-bodied wines have the highest alcoholic content.) For whites, the order should be Riesling, Sauvignon Blanc and then Chardonnay. For reds, the tasting order would be Pinot Noir, Merlot, and then Cabernet Sauvignon. Other orders of importance are from dry to sweet, from young to old, from high acidity to low acidity, from light oak to strong oak, and from low tannins to high tannins.