Freshness Preserved With TBHQ And Citric Acid

TBHQ (tert-Butylhydroquinone) is a synthetic antioxidant. It is a white or slightly colored crystalline powder. Citric acid is a weak organic acid found naturally in citrus fruits.

TBHQ is added to foods to prevent fats and oils from spoiling, which helps preserve freshness. Citric acid is often used to add a sour taste or to boost the effectiveness of TBHQ. They are commonly found in processed foods containing fats and oils, such as popcorn, snack foods, and baked goods.

TBHQ is an FDA-approved food additive. The FDA has established conditions for its use, and it is generally recognized as safe (GRAS) when used within these limits. JECFA and EFSA have also evaluated TBHQ. Some studies have raised questions about TBHQ's effects at very high doses, but regulatory bodies consider it safe at levels typically found in food. Citric acid is also considered safe for consumption.