Aspartame: 
 ① Appearance: white crystalline powder, odorless, has a strong sweet; its very similar to sweet and sugar, and a cool feeling, and no bitter or metallic taste. Unstable in aqueous solution, easy to break down and lose sweetness. Uses: Non-nutritive sweeteners, flavoring agent. Limits: All kinds of food (except for canned food), are limited to 高标准. Sweets 0.3%; plastic female candy 1.0%; beverages 0.1%; breakfast cereals by 0.5% Assay: 98% -102% 
 ② In the food sector, good stability, taste adaptation, is the best soft drink sweetener production, also can be used for baked products, cakes, solid beverage, candy, jams, chewing gum, instant coffee, dairy products, fruit jelly, pudding and table sweeteners and so on. In medicine, for syrup preparations, sugar coated tablets, hard drug masking agent. In cosmetics, can be used lipstick, lip balm, toothpaste and mouthwash and so on.