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
Caffeine-Free Coca-Cola Caffeine-Free Coca-Cola Caffeine-Free Coca-Cola was introduced in 1983 as a caffeine-free variant of Coca-Cola. It was introduced to compete against Pepsi Free, which is now called Caffeine-Free Pepsi. The diet variant, Caffeine-Free Diet Coke, was the first variant of Diet Coke and was introduced in 1984, one year before the regular Coke version. In 2013, Caffeine-Free Coca-Cola Zero was introduced in America. In April 1985, Caffeine-Free Coca-Cola was switched to the ill-fated New Coke formula and did not switch back to the Coca-Cola Classic formula until 1989. The word "Classic" was removed from the label in spring 2011 in the