Gallic acid is a naturally occurring organic compound found in various plants, particularly in the bark and leaves of oak trees. It is a type of phenolic acid and is known for its antioxidant properties, which help protect cells from damage caused by free radicals. Gallic acid is often used in traditional medicine and is also a key ingredient in some food products and beverages. In addition to its health benefits, gallic acid is utilized in various industrial applications, including the production of dyes and inks. It can also be used in laboratory settings for chemical analysis and as a reagent in certain biochemical reactions.