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
Double Cola summer of 1960, Double Cola used a Chinese name as "(得寶可樂)", a locally made super king size with much more carbon dioxide for only 40 Hong Kong cents for a 16 fluid ounce (473 ml) bottle which could serve three then-typical beverage cups. In 2010 Diet Double-Cola was reformulated with Splenda to make it taste more like regular Double-Cola. Two years later the Double Cola was given new branding and packaging though the ingredients stayed exactly the same. In 2013 The Double Cola Company expanded its product line outside of that of just soft drinks. Quad Energy was released in