HCR Update from Mark Sanna: Coca-Cola is moving to eliminate an ingredient used in many of its citrus-flavored productsafter consumers expressed concerns. A 17-year-old high school junior, Sarah Kavanagh, in Hattiesburg, Miss garnered tens of thousands of signatures on petitions to eliminate the ingredient. The company said on Monday that it was replacing brominated vegetable oil, which contains bromine, an element found in flame retardants, in products that contain it. It did not list the products, but they include Powerade, Fresca and some varieties of Fanta, as well as some fountain drinks.