Ingredient · E319

With TBHQ To Preserve Freshness

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Source
Not animal-derived
Allergen
No
Role in food
TBHQ is added to foods to prevent oils and fats from spoiling, which helps …

What it is

TBHQ, or tert-Butylhydroquinone, is a synthetic antioxidant. It is a type of phenol, often produced from hydroquinone.

Why it's used

TBHQ is added to foods to prevent oils and fats from spoiling, which helps keep products fresh for longer. It is commonly found in foods with high fat content, such as baked goods, fried snacks, and processed meats.

Health notes

In the US, TBHQ is permitted as a food additive. The FDA has evaluated TBHQ and allows its use in certain foods. EFSA has also evaluated TBHQ. Some studies in animals have raised questions about potential health effects at very high doses, but these findings have not been consistently replicated, and regulatory bodies consider it safe at permitted levels in food.

Allergen info

Not a major allergen.

Products containing With TBHQ To Preserve Freshness

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Last updated: September 28, 2026

Note: This site presents label data from USDA FoodData Central for general information. It is not medical advice. Check the package label; formulations change.