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An ester formed by the condensation of gallic acid and propanol.
Propyl gallate (PG), chemically known as propyl-3,4,5-trihydroxybenzoate, is widely present in processed food and cosmetics, hair products, and lubricants.
PG alone demonstrated antioxidative and cytoprotective properties against cellular damage and gained a pro-oxidative property in combination with copper (II). It was reported that PG was one of the most active compounds capable of generating H2O2 in DMEM media