Dirty Dozen™ Food Chemicals: Propyl Gallate

EWG’s recommendation

Avoid or limit foods containing propyl gallate.

Propyl gallate is a preservative that has been linked to oxidative stress, which is when reactive molecules build up and damage cells. Laboratory studies have connected propyl gallate and its breakdown products to liver and kidney damage, as well as potential reproductive harm.

What is propyl gallate?

Propyl gallate is a preservative that prevents oxidation, extending the shelf life of fats and oils in packaged foods. It’s also used as a preservative in cosmetic products.

Which foods contain propyl gallate?

Propyl gallate is most commonly found in processed meat like hot dogs and sausages. It’s also a common ingredient in candy and a range of frozen products, including pizza and other frozen meals.

Look for propyl gallate in product ingredient lists, usually below or next to the Nutrition Facts panel, on the back of the package. Propyl gallate may also be added to food packaging, which companies are not required to disclose.