Steviosides are the sweet ingredients in Stevia,and are distributed in the leaves,stems,roots and other parts of Stevia,but the highest content is in the leaves,and its content changes with the growth process,reaching the highest at the budding stage.Its non-toxic,safe,low-calorie and other characteristics are favored,and it is known as the third sugar source in the world.The biological activity and product development research of stevia has aroused the interest of many scholars at home and abroad.Hande Bio provides High Purity Stevioside Organic Stevia Extract Sweeteners Stevioside Powder CAS 57817-89-7 Food Additive.For more details,please contact us online.