Abstract:  The antioxidative activities of gallic acid esters and the synergeshc action of the mixture of gallic acid with other substance upon edible oil and fat were investigated. The resultS showed that effective antioxigenation was found with the octyl gallate (OG) for lard and the docecyl gallate (DG) for Peanut oil. The citric acid has been found possessing good synergestic effect for OG and DC. In this paper a new compound food additive was examined preliminarily.

Key words:  , Gallic acid esters Antioxiative activity Synergism；