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
Afri-Cola again listed as an ingredient on the label. This mixture was also not sufficiently successful and on April 1, 2006, the company finally changed back to the original recipe, with caffeine content of 250 mg/L. Since then, Afri-Cola has slightly regained market share. In the mid-1990s, Real Soda LLC, a U.S. company, started importing Afri-Cola into the United States, largely in the Seattle area. At the time, it was marketed as "highest caffeine content allowed by law" and positioned to compete with such high-caffeine colas as Jolt Cola and Fukola Cola. In the late 1990s, it was widely available at