TBHQ And Calcium Disodium EDTA

TBHQ (tertiary butylhydroquinone) is a synthetic antioxidant. It is made from hydroquinone and isobutylene. Calcium disodium EDTA (ethylenediaminetetraacetic acid) is a synthetic chelating agent, meaning it can bind to metal ions.

TBHQ is added to foods to prevent fats and oils from becoming rancid, extending shelf life. Calcium disodium EDTA also acts as a preservative by binding to metal ions that can cause oxidation and spoilage. They are often used together in vegetable oils, shortenings, and baked goods.

TBHQ is permitted by the FDA as a food additive. JECFA has evaluated TBHQ and established an acceptable daily intake. EFSA has also evaluated TBHQ. Some studies in animals have raised questions about its effects at very high doses, but regulatory bodies consider it safe at levels typically found in food. Calcium disodium EDTA is also permitted by the FDA. JECFA has evaluated it and established an acceptable daily intake.