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 Coca-Cola stopped printing the word "Classic" on the labels of bottles sold in parts of the southeastern United States. The change is part of a larger strategy to rejuvenate the product's image. The word "Classic" was removed from all Coca-Cola products by 2011. In November 2009, due to a dispute over wholesale prices of Coca-Cola products, Costco stopped restocking its shelves with Coke and Diet Coke for two months; a separate pouring rights deal in 2013 saw Coke products removed from Costco food courts in favor of Pepsi. Some Costco locations (such as the ones in Tucson, Arizona) additionally sell