The main roles of sweeteners in food are as follows:
(1) Taste: Sweetness is one of the indicators of many foods, in order to make food, beverages have a sense of palatability, need to add a certain amount of sweetener.
(2) The adjustment and enhancement of flavor, in the pastry generally need sweet taste; in the beverage, the flavor adjustment has "glycolic acid ratio" one item.
Sweeteners allow the product to get a good flavor, but also to retain a fresh taste.
(3) The formation of flavor, sweetness and the flavor of many foods are complementary to each other, the taste of many products is produced by the combination of flavor substances and sweeteners, so many foods are added to the sweetener.