Coca-Cola formula version of Coca-Cola syrup contains kola nut extract; originally included for its caffeine content, modern Coca-Cola uses caffeine citrate produced by the decaffeination of coffee. The primary taste of Coca-Cola is thought to come from vanilla and cinnamon, with trace amounts of essential oils, and spices such as nutmeg. A 2015 study identified and measured 58 aroma compounds in common colas, confirming significant amounts of compounds corresponding to cinnamon, vanilla, nutmeg, orange and lemon essential oils in Coca Cola. During the 1980s, most U.S. Coca-Cola bottlers switched their primary sweetening ingredient from cane sugar (sucrose) to the cheaper high-fructose corn
Coca-Cola 2014, Coca-Cola said it is working to remove a controversial ingredient, brominated vegetable oil, from all of its drinks. The exact formula of Coca-Cola's natural flavorings (but not its other ingredients, which are listed on the side of the bottle or can) is a trade secret. The original copy of the formula was held in SunTrust Bank's main vault in Atlanta for 86 years. Its predecessor, the Trust Company, was the underwriter for the Coca-Cola Company's initial public offering in 1919. On December 8, 2011, the original secret formula was moved from the vault at SunTrust Banks to a new