Steviosides is extracted from stevia leaf. The specifications are as follows: 1. Stevia A. Steviosides: 90%, 95%, 98% B. Rebaudioside A(Reb A or RA): 40%, 60%, 80%, 90%, 95% C. Non-bitter stevioside(Enzyme treated stevia, Glucosyl stevioside) D. Stevia tablet E. Stevia sachet: 0.5g, 1g, etc. 2. Stevia leaf 3. Stevia leaf powder