Ethyl gallate is a food additive with E number E313. It is the ethyl ester of gallic acid. Ethyl gallate is added to food as an antioxidant. Though found naturally in a variety of plant sources including walnuts. Terminalia myriocarpa or chebulic myrobolan (Terminalia chebula), ethyl gallate is produced from gallic acid and ethanol. It can be found in wine.