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 Black Cherry Vanilla product's sale, the percentage of drinks bought from Coca-Cola and its variants that was Black Cherry Vanilla Coke was 4%, compared to 9% for Coca-Cola with Lime and 3% for Diet Black Cherry Vanilla Coke compared to 7% for Diet Coke with Lime, 13% for the Caffeine free Colas, 13.5% for Coke Cherry and Diet Coke Cherry, and 26% for Diet Coke. With low sales figures, and the return of Vanilla Coke (now Coca-Cola Vanilla) in the summer of 2007 in the United States, Black Cherry Vanilla Coke was discontinued. Coca-Cola Freestyle fountains have a variation in the form of