It is most widely used and manufactured according to the national quality standard. It is white or light yellow powder or granule with lasting and cool sweetness. It has unique properties of high sweetness, low calorie and high cost performance. The sweetness of it is 250 times of cane sugar, but the calorie is 1/300 of it. It can prevent people from hypertension, diabetes mellitus, obesity, heart disease and tooth decay etc., and is a perfect sweetener instead of cane sugar.