Explainer: here’s a primer to champagne

champagne-vineyards

This is the time of year where the punters start letting their hair down, and there’s no more celebratory a drink than champagne, right? Here’s your primer to the most ritzy of wines.

Most champagne you’ll drink is white, right? But some two-thirds of the grapes used in the production of champagne are black — think Pinot Noir and Pinot Meunier. So why is it that the wine is white? Well, the dark pigment of the skins is where you’ll find most colour in red wine comes from, and in the production of champagne, the grapes are gently pressed to minimise the chances of extracting colour from the grapes.

The base wines for champagne are dry wines that are high in acid. These are often blended with wines from other areas and different years, to create a house blend — though some wines are designed to reflect a particular vineyard or vintage.

Champagne undergoes two fermentations. The first happens prior to blending with other wines. The second is where the magic of champagne begins. This second fermentation is started by the addition of a liqueur de tirage — it’s a combination of yeast, wine and sugar. The wine is then capped and put into cellars at around 10-12 degrees Celsius to ferment. This takes around six to eight weeks, and it’s the slow fermentation that helps impart complexity in flavour to the wine.

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The bubbles in champagne are thanks to this secondary fermentation. The bottles used in champagne need to be strong in order to withstand the pressure created by the dissolved CO2 that is created by the secondary fermentation.

Dead yeast cells equal flavour. This is another byproduct of the secondary fermentation. The yeast in the liqueur de triage die once they’ve done the job of fermenting the alcohol, and fall to the bottom of the bottle as sediment. This sediment creates biscuity, brioche like flavours in the wine, and they are more pronounced the longer the wine sits on its lees.

Disgorgement is the process of removing the lees sediment from the wine. First, the bottles undergo riddling, by which they are slowly turned from horizontal to upside down, leaving the sediment to gather in the neck of the bottle. The neck of the champagne bottles are placed into extremely cold brine to freeze the sediment, then the crown seal cap is removed, the CO2 ejects the sediment, and the bottle is corked.

There are a few different styles of champagne. You may have seen the term blanc de blancs — this means that the wine is 100 percent made from the chardonnay grape. Blanc de noirs are made strictly from the red grapes grown in Champagne: pinot noir and pinot meunier. Non-vintage champagne is the most common, and is the product of more than one vintage — with these wines it’s all about maintaining a consistent house style and blending wines from different years allows this to happen. Vintage champagne is the product of one year’s harvest, and due to the vagaries of the climate in champagne, are only made in the best years. Rose champagne is, for the most part, white wine blended with red wine prior to the secondary fermentation, though some producers do make a rose wine (that is, a lightly coloured wine from red grapes) that then undergoes secondary fermentation.

So do you know which grape varieities are allowed under the Champagne appellation? Proper champagne — and it can only be from the region in France— can only be made from chardonnay, pinot noir, or pinot meunier.

bernadette-knight

Ask the Expert

Producer: Armand de Brignac
The Expert: Bernadette Knight
The Job: Chief Marketing Officer

Could you give us a brief rundown about how your champagne is produced?
The Armand de Brignac Gold Brut is a modern day prestige cuvee crafted using traditional Champagne philosophies. Blending is at the essence of our character – vintages, terroirs and grape varietals – to create a complex, bold and layered Brut Champagne.

How do you source the grapes for your champagne? What do you look for in the grapes?
Armand de Brignac is crafted using the three main grape varietals from the region; Chardonnay, Pinot Noir and Pinot Meunier. We take just the very first portion of the initial cuvee pressing, which contains the juice with the crispest acidity and freshest flavour. They are sourced from the most emblematic areas of the region, villages like Avize, Verzenay, Bouzy and Chigny-les-Roses.

Could you describe the finest expression in your range and what makes it special?
The cool climate of Champagne allows for a strong level of acidity, which is critical for excellent sparkling wines. The terroir of the region is why Champagne is so unique and its wines well loved. Most notably of this terroir is its hallmark chalk soils, which provide just enough water for the vines to thrive throughout the season and produce fruit that is abundant with flavour.

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