... from stevia leaf. Steviosides: 80%, 90%, 95%, 98% Rebaudioside A (Reb A or RA): 40%, 60%, 80%, 90,Steviosides is extracted from ... stevia leaf. Steviosides: 80%, 90%, 95%, 98% Rebaudioside A (Reb A or ... more 200~300 times than cane sugar. Stevioside and Rebaudiana-A are main compositions of Stevia, which taste cool, refreshing ...