Propyl gallate

Propyl gallate, or propyl 3,4,5-trihydroxybenzoate is an ester formed by the condensation of gallic acid and propanol. It is an antioxidant added to foods containing oils and fats to prevent oxidation. As a food additive, it is used under the E number E310.

Description
Propyl gallate is an anti-oxidant. It protects against oxidation by hydrogen peroxide and oxygen free radicals, in a catalytic manner similar to superoxide dismutase.

Uses
Propyl gallate is used to protect oils and fats in products from oxidation.

It is used in foods, cosmetics, hair products, adhesives, and lubricants.