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 (its competitor Pepsi stayed out of Israel). Mecca Cola and Pepsi have been successful alternatives in the Middle East. A Coca-Cola fountain dispenser (officially a Fluids Generic Bioprocessing Apparatus or FGBA) was developed for use on the Space Shuttle as a test bed to determine if carbonated beverages can be produced from separately stored carbon dioxide, water, and flavored syrups and determine if the resulting fluids can be made available for consumption without bubble nucleation and resulting foam formation. FGBA-1 flew on STS-63 in 1995 and dispensed pre-mixed beverages, followed by FGBA-2 on STS-77 the next year. The latter mixed