... ISO certified 4. 10g Free sample available Stevia Leaf Extract / Herb extract Plant Origin: Stevia rebaudianaUsed Part: LeafActive Ingredient: Steviol ... powderSpecification: ST-1 Rebaudioside A 80%, 95%, 97%, 99% HPLC JECFA ST-2 Rebaudioside A 60% / Steviol Glycosides 90%, ... 3 Stevioside 85%, 90%, 95% HPLC JECFA ST-4 Steviol Glycosides 85%, 90%, 95% HPLC JECFA Structural Formula: Description:1. ...