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This article was published 7/9/2012 (1392 days ago), so information in it may no longer be current.
Wine bottles typically have a lot of interesting things to say on the labels. On the front you usually get the name of the winery, information about the grape(s) or region, and the vintage. On the back label is usually some sort of story about the wine and/or serving/aging suggestions.
Hidden among all this stimuli -- sometimes on the front label, other times on the back -- is one little detail that can tell you a lot about what to expect from a wine, but that most typical consumers overlook.
It's just a number, but the alcohol content by volume of a wine can help determine what kind of experience you're in for.
Generally speaking, the alcohol content on most white wines is somewhere between 11 and 13 per cent by volume, while with red wines it's in the 12 to 14 per cent by volume range. Some whites like German Riesling may tend to be lower than 11 per cent, and some heavier reds will creep higher than 14 per cent.
Wine, of course, is fermented grape juice -- the sugar is converted to alcohol, with delicious results.
Stopping the fermentation process earlier leaves more residual sugar in a wine, meaning it will taste sweeter and the alcohol will be lower. This is most evident in wines like German Riesling or Moscato, where alcohol levels are typically between seven and 11 per cent.
With higher alcohol levels in red wines, it's sometimes a winemaking decision in a hot vintage to seek bigger fruit extraction, leaving the grapes on the vines to ripen longer. Higher sugar in grapes means to make a dry red wine, there needs to be a longer fermentation process, which often means higher alcohol content.
Alcohol is felt most vividly on the finish (or aftertaste) of a wine. Think about sipping a scotch whisky and the burn in your chest that you feel. That, along with the lingering flavours on your palate, essentially comprise the finish of a wine -- and I've had high-alcohol reds that have produced a burning sensation similar to that of a single malt.
Paso Robles in California and Australia's Barossa Valley are a couple of the world's warmer New World winemaking regions where 14-plus per cent alcohol in a red wine isn't uncommon. Chilean and Argentine reds often flirt with the extremes as well. Scorching temperatures and late-ripening grapes like Zinfandel, Syrah, Malbec and Carmenère often lead to dense reds clocking in upwards of 15 per cent alcohol.
I've been in the wine industry for over 15 years and have watched alcohol levels in reds from many regions creep from 12 to 13 to 14 per cent alcohol and higher. Highly extracted, hot, aggressive reds were for a time quite in style, and they typically scored well with some of the world's top critics.
Like many wine trends, this one is starting to recede, and more winemakers are trying to rein in higher alcohol in favour of wines with balance and elegance. But if temperatures in wine-producing regions continue to rise, we may find winemakers continuing to struggle with keeping higher alcohol levels in check.
HOLLICK 2010 CABERNET SAUVIGNON (Coonawarra, Australia -- $28.39, Liquor Marts and beyond)
Blackberry, blueberry and vanilla aromas are pretty typical of this region's Cabernet Sauvignon, although there's a hint of heat from the 14.5 per cent alcohol lingering on the nose here as well. It's a round, soft, full-bodied Cab with loads of blue and black fruit flavours -- again, typical Coonawarra -- that brings a bit of a burn on the finish. A savoury/meaty, flavourful dish would rein in the alcohol on this right now, or put this away for a few years and hope things mellow out. 88/100
BODEGAS BERONIA 2006 RESERVA (Rioja, Spain -- $21.99, Liquor Marts and beyond)
A blend of Tempranillo, Graciano and Mazuelo grapes, this wine was aged in oak for 18 months before release, in keeping with Reserva Rioja labelling regulations. Cherry, raspberry, earth, white pepper and spice show beautifully on the nose here. With age, this wine has become medium-plus-bodied and complex, with red berry, licorice and spice flavours, light acidity and tannin and a medium, balanced finish. Fourteen per cent alcohol. 91/100
BODEGAS CARCHELO 2009 ALTICO SYRAH (Jumilla, Spain -- $19, The Winehouse)
This sleekly packaged Spanish Syrah offers chocolate-covered cherry and liqueur notes -- think Black Forest cake -- as well as raisin and spice on the nose. It's a dense, full-bodied red, with chewy dark berry, cherry, chocolate and raisin flavours, and some remarkable earth and spice notes as well. It brings great viscosity, light tannins and a lovely licorice/anise note on the finish. Alcohol is 14 per cent, but by no means obtrusive. 90/100
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