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You are here: Home / Varietals and Wine Styles / The Secrets Behind Sparkling Wines

The Secrets Behind Sparkling Wines

December 13, 2017 by BettyKaufman Leave a Comment

The secrets behind sparkling wines
The secrets behind sparkling wines

Thank you to WineShop At Home winemaker Alex Reble for this wonderful article on the secrets behind sparkling wines.

The creation of sparkling wine follows the same main principle as all other wines: fermentation. However, of all wines, sparkling wines are considered the most technical in the world to produce. Why? The reason is due to a secondary fermentation process.

Previous to the mid-1500s, the only bubbles to be found in wines were due to re-fermentation mistakes. Europeans were the first to develop a taste for bubbles and they have been producing sparkling wines ever since.

 

WineShop At Home's sparkling wines
WineShop At Home’s sparkling wines

Types of Sparkling Wines

The main idea behind sparkling wine is to create a reaction in the bottle that will provide effervescence when opened. The pressure of the carbonation level determines the style of bubbly.

Perlant or Beady wines have less than one atmosphere of pressure (14.7 psi). The presence of bubbles is visible on the side of the glass after pouring.

Semi-sparkling wines reach one to two and a half atmospheres (14.7 – 37 psi) of pressure.

Sparkling, like Crémant, Spumante or Champagne, are at three or more atmospheres and can be labeled as sparkling wines.

Nowadays there are two major sparkling wine production methods with their own technical challenges: the Traditional Method and the Tank Method, also called the Charmat Method.

The Traditional Method

The most important facet of the Traditional Method is that the transformation from a still to a sparkling wine occurs entirely inside the bottle. Grapes with a higher than usual acidity are picked. A dry wine is produced. The winemaker blends several base wines together to get the final sparkling wine blend.

Yeast and sugars are added to the wine, called cuvée, to start the second fermentation. It is then bottled and topped with crown caps, just like a beer bottle. The second fermentation will add extra alcohol and some CO2. This process creates a cloudy wine while the yeasts are active. Wines are aged on their lees (deposits of residual yeast). Champagne requires at least 15 months. Cava requires only a minimum of 9 months.

The Secrets Behind Sparkling Wines

These large bottle racks are used during the process of riddling. The lees settle in the bottle upside down, collecting in the neck of the bottle.

The bottles are placed upside down into freezing liquid, which causes the yeast to freeze in the neck of the bottle. The crown cap is then popped off momentarily, which allows the frozen chunk of lees to shoot out of the pressurized bottle. After being topped up with a little sugar, a practice called dosage, the bottles are then corked, wired, labeled and ready for sale.

The Tank Method or Charmat Method

Unlike the Traditional Method, the Charmat Method uses the tank as the vessel for fermentation. Initially, the bottle is removed from the equation. Base wines are added into a tank along with a sugar and yeast mixture which is called tirage. Tank Method sparkling wines have much more freshly-made characters with stronger yeasty flavors.

Though this is the method that a lot of large Italian brands are using in mass-produced wines, it is still used for fine sparkling winemaking.

The Secrets Behind Sparkling Wines

The Charmat Method is the method that we are using at our partner winery, making it possible to offer you a complete portfolio of styles with four flavorful sparkling wines.

WineShop At Home is proud to produce the Talmage Cellars and le Cadeau wines for you to enjoy every day and especially during the holiday season. Pop the cork and enjoy!

BettyPhotoCircularAs an independent wine consultant with WineShop At Home, I absolutely enjoy bringing a taste of the Napa wine country home to you one sip at a time. Whether you simply love to drink wine, seek a special personalized wine gift, or are in search of a new wine jobs opportunity as a wine consultant, feel free to contact me for a truly unique wine tasting experience!

Cheers, Betty Kaufman
WineShop At Home

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Filed Under: Varietals and Wine Styles Tagged With: alex reble, champagne, charmat, sparkling wine, tank method, WineShop At Home

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