How white wine is made

The wine we commonly see and drink is basically red wine, did you know that white wine can also be made from red grapes? The main difference between white wine making and red wine making is whether or not the grapes are fermented with the skins. The basic principles of wine making are very simple, but the process varies greatly depending on the winemaker and the winemaking process used. Let’s look at how white wine is made.

White wine can be made from both red and white grape varieties. The main difference between making red wine and white wine lies in whether the grape skins are fermented together or not. The grapes are first crushed to separate the flesh from the skins, and then the sweet juice is collected in vessel tanks ready for the next step of fermentation.

White wines are usually made at lower temperatures than red wines, with the lower temperatures helping to preserve their fresh, fruity flavors. During the fermentation process, the 2 parts of sugar content contained in the grape juice can be converted into 1 part of alcohol content. Thus, 2 parts of sugar in the must yield 1% of alcohol. The higher the sugar content of the must, the higher the alcohol content that is converted after fermentation. White wines can easily change color, such as turning yellowish brown, so their aging time is much shorter than that of red wines.

After fermentation, the wine is aged in oak barrels, which adds vanilla flavor to the wine. The malolactic conversion process can also add creamy flavors to the wine. These 2 processes take time and cost the winery, so barrel-aged wines are more expensive.

White wines often need to be filtered before bottling. If you make your own white wine at home, the final wine is often cloudy and unfiltered. Believe it or not, white wine is not as stable as red wine, so wineries often have to add more sulfites to white wine making.

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