Aspartame sweet taste of pure sucrose with very similar fresh and sweet, no bitter after taste and metallic taste, is by far the closest to the successful development of the sweet sugar sweetener. Aspartame 200 times sweeter than sucrose, only a small amount in the application can achieve the desired sweetness, so use in food and beverage sugar substitute aspartame, can significantly reduce the heat and will not cause tooth decay
http://www.chinafooding.com/Aspartame
PR