Vinegar can be made from almost any food containing natural sugars, and acetic acid is what gives vinegar a definite taste. Natural vinegar also contains a small amount of tartrick acid, citric acid and other plant acids.
Vinegar has been used since ancient times and is one of the most important cooking ingredients in the world. There are dozens of vinegar in the world. The most used vinegar used in kitchens is white vinegar, apple cider vinegar and vinegar.
Usually vinegar made in different countries represent common products in the country. In Iran, grape vinegar and apples are the most popular vinegar on the market.