1. Introduction: Stevioside is a new typed natural sweetener extracted from the composite herbage ---stevia. Stevioside is a kind of good sweetener instead of cane sugar that can treat diabetes, hypertension partly and can also treat adiposity, cardiovascular disease, gastritis and acid stomach as an auxiliary method. The stevioside is a stable and non fermented substance with fresh status for a long term and no metabolism, cumulation and poison in the body, so its safety was passed inspection of international organization FAO and WHO. The stevioside is used widely in Japan, Korea and European and American developed nations and regions and is renowned as the third sugar resource in the world. A3 glucoside is the main ingredient of stevioside ,its appearance is white, petty yellow incompact powder or crystal with the feature of high sweet, low hot energy .Its sweet degree is 200-300 times as much as cane sugar and the calorie is 1/300 of cane sugar. The stevioside can reduce bitterness and unsafe factors made by the saccharin and other chemosynthesis sweeteners. 2. Details: Product Name: stevia extract/stevia leaf extract Botanical Name: Stevia Rebaudiana Bertonl Chinese Name: Tian Yeju, Tian Jutang Synonym: Stevia extract stevia leaf extract stevia leaf extract powder stevia leaf powder extract stevia leaf p.e. stevia leaf powder Specification Total Steviol Glycosides 90%, 95%, 98% Rebaudioside A /Reb A 40%,60%, 80%, 90%, 95%, 98% Stevioside 80%, 90%, 95% 4:1, 5:1, 10:1, 20:1, 50:1 Testing Method: HPLC, JECFA standard Part of Plant Used: Leaf Appearance: White Fine Powder Odor: Characteristic 3. Function 1)Helps maintain a healthy cardiovascular system 2)Assists in maintaining weight loss 3)Helps maintain a healthy oral system 4)Helps maintain healthy blood sugar levels 5)Promote metabolism 6)Prevent decayed tooth