The main ingredient used to create wine is fermented grapes. Wine production begins with the harvesting of various grape varieties, which undergo crushing to release their juice. This juice is then fermented with the help of yeast, converting the sugars present in the grape juice into alcohol and carbon dioxide. Different grape varieties, along with factors such as soil type, climate, and winemaking techniques, all influence the flavor, aroma, and overall characteristics of the resulting wine. Wine has been produced for thousands of years, and different regions around the world have developed unique traditions and styles of winemaking.