Sweetening
Multiple artificial sweeteners can be used to give diet soda a sweet taste without the sugar. Sometimes two sweeteners are used in the same beverage. Opinion is mixed as to the taste of these beverages: some think they lack the taste of their sugar-sweetened counterparts, while others think the taste is similar. Some also note an unusual non-sugary aftertaste. Some feel the opposite—that diet soda has no aftertaste and that soda sweetened by high fructose corn syrup has a gritty, over-sweet aftertaste.
Read more about this topic: Diet Soda