Functions of Food Additives 4. Flavors – Complement, magnify or modify the taste of aroma of a food Aspartame Corn Syrup Ethyl Vanillin Mannitol Monosodium GlutamateFunctions of Food Additives 4. Flavors – Complement, magnify or modify the taste of aroma of a food Aspartame Corn Syrup Ethyl Vanillin Mannitol Monosodium Glutamate