Do you know the difference between making Red and White Wine?

ImageThe Differences Between Red Wine and White Winemaking

There are significant differences between red wine and white wine production. Basically, red wine is the outcome of crushed, fermented grapes. White wine is the outcome of fermented grape juice (that is, no skins or meat of the fruit). Blush wines, out of interest, are made from red grapes that are made into wine as though they were white grapes. The red grape skins add a bit of color and nutrients to the juice being made into blush or rosé, leaving a slight blush of red in the wine.
 
ImageRed Wine

All grapes contain the same kind of green fruity-meat, but red grapes have red skins and in the winemaking process, there is a considerable amount of color, flavors and tannins that are imparted to the final product. After crushing, the red grapes, skins and all, sit in a fermentation vat for a period of time. Picture a huge plastic bin with a mixture of crushed grapes and juice with a layer of crushed wet skins on top. The skins tend to rise to the surface of the mixture, forming a layer on top. This top layer is frequently mixed back into the fermenting juice (called must). After fermentation has stopped, about one to two weeks later, the new wine is drawn from the vat. A bit of “free run” juice is allowed to pour and then the remaining must is squeezed, yielding “press wine”. The wine is clarified and then transferred to oak aging barrels so that it may mature. When the winemaker considers the wine ready, it is transferred to bottles and labeled.
 
ImageWhite Wine

Right after picking, white grapes are put into a crushing machine. In the process, the skins are separated from the juice, an important difference over the red wine process. Some adjustments are sometimes made to the acid or sugar levels at this stage (the addition of sugar is called “chaptalization”). The clarified juice is then ready for fermentation. Yeast is then added to the juice for fermentation.  Before long the white grape juice becomes white wine. At this point, some further tinkering is usually called for: filtering, and perhaps the addition of sweeter juice to round out the flavor. The wine is then aged by storing in oak or stainless steel containers, and after a few months, it is bottled.
 
 
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One Response to Do you know the difference between making Red and White Wine?

  1. Pingback: Elements of Wine 5: Tannin | The Rambling Epicure

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