... new-type natural sweetener with high sweetness and low calorie .It is extracted from stevia leaves .Our products are ISO9001 , ISO22000 ... Russia , USA , Paraguay , Brazil ,Australia and so on . 3.Sweet : It is about 250 times sweeter than cane sugar . Stevioside and rebaudioside ... reaction through heat dealing . As a natural sweetener, it is conductive to restrain the growing of bacteria and prolong ...