The Magic of Winemaking – Sparkling Wine Demystified
Sparkling wine requires some very specialized equipment to make, so it’s not within the reach of every aspiring winemaker. However, the good news is you can always have a reliable winery make it for you, while you guide the process from harvesting the grapes and all the way to bottling and labeling.
Whether you are interested in making your own sparkling wine or simply want to find out more about how it is made, the article at hand will walk you through each step of the process.
A Few Words about Harvesting
Making quality bubbly begins with harvesting the fruit under the right conditions.
As Stuart Ake, Director of Wine Education at Crushpad explains, the best time for harvesting is in the afternoon, when the temperature drops just enough to shut the vines down.
Gleaning the fruit in these conditions preserves the natural acidity of the grapes.
Bubbly Takes a Different Kind of Wine Making
Once they come out of the field, the grapes are dumped into a press for whole cluster pressing.
From here, the extracted juice goes into tanks that are kept at low temperatures (about 50 degrees Fahrenheit – the equivalent of 10 degrees Celsius), where it is enriched with yeast, nutrients, and then left to ferment for about a week or a week and a half.
“We try to do this really slowly.
Especially with Pinot, there’s some really wonderful flavors that come out in the Pinot grapes, and […] the cooler that you do them, the more of those flavors and aromas will come out,” Penny Gadd-Coster, Winemaker at Crushpad’s partner Rack & Riddle, explains.
According to Penny Gadd-Coster, from the tanks and after it goes into the bottle, the wine goes on tirage – a process during which sugar and yeast are added to the blended base wines in order to provoke a second fermentation.
After about a month or so of tirage, the wine needs to go through the process of riddling, which, depending on how much the product is worth, can take up to several good years!
After undergoing the riddling process, the winemaking continues by loading the wine into a trey that uses cold water to freeze the necks of the bottles after filling them with wine.
The bottles then travel to a machine that pulls the cap off and removes the frozen plug formed at the previous step. Next, the bottles undergo three trips into another piece of equipment – the first time around the machine pulls a little wine out, the second time around it pours in the dosage – which is a sugar mixture that helps balance out the wine – and finally it brings each bottle to the accustomed 750 ml level.
The bottles have been filled properly, but there is still some work that needs to be done before they make it to the shelves.
Each bottle progressively goes through the processes of corking, labeling, packaging and later receives a close inspection so that winemakers can make sure that everything is in order and conforms to their exigences.
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