Brominated Vegetable Oil Pros/Cons Brominated vegetable oil is a complex mixture of plant derived triglycerides that have been reacted to contain atoms of the element bromine. Brominated vegetable oil, called BVO for short, is made by adding bromine across the double bonds of certain fatty acids in vegetable oil, usually soybean oil. It is used primarily to help emulsify citrus-flavored soft drinks, preventing them from separating during distribution. Like plain vegetable oil, brominated vegetable