what is red wine made of

Red wine is made from dark-colored grape varieties. The color of the wine can range from intense violet, typical of young wines, to brick red for mature wines and brown for older red wines. The process of making red wine involves fermenting the grape skins and juice together in a tank or vat. This allows color, flavor, and textural compounds to be integrated into the juice, while the yeast converts sugar to alcohol. The skins contain most of the compounds that give red wine its color, flavor, and aroma. The main ingredients in red wine are grapes, yeast, and sulfur dioxide as a preservative. The process of making red wine involves several steps, including harvesting the grapes, crushing them, fermenting them with the skins, pressing them, aging them, and bottling them. Red wine is usually aged for some period before bottling, which can vary from a few days to 18 months or more, depending on the type of wine. The aging process can take place in stainless-steel or concrete tanks, or in small or large oak barrels, which impart some flavor to the wine as a function of their age and size.