E443 – Brominated vegetable oils

Description

Complex mixture of triglycerides that have been reacted with bromine

Risks

Notes

Brominated vegetable oil (BVO) is made by taking regular vegetable oil—usually soybean or corn oil—and chemically treating it with bromine, a naturally occurring element. This process attaches bromine atoms to the oil molecules, making the oil denser and heavier than regular vegetable oil. The bromination happens in controlled industrial settings where the oil and bromine are carefully combined under specific temperature and pressure conditions. BVO serves as both an emulsifier and a weighting agent specifically in citrus-flavored beverages like orange soda, sports drinks, and fruit punches. Its main job is to keep citrus flavoring oils evenly distributed throughout the drink rather than floating to the surface, ensuring every sip has consistent flavor. The added weight from the bromine helps the flavoring stay suspended in the liquid instead of separating. While BVO starts with plant-based oils, the chemical modification with bromine makes it a synthetic additive. It's technically suitable for vegetarian and vegan diets since it's derived from vegetable sources. However, BVO has faced regulatory scrutiny in recent years—it's been banned in several countries and some U.S. states due to health concerns about bromine accumulation in the body. Many beverage companies have voluntarily removed it from their products, replacing it with alternative emulsifiers.