... or powderSpecification: ST-1 Rebaudioside A 80%, 95%, 97%, 99% HPLC JECFA ST-2 Rebaudioside A 60% / Steviol Glycosides 90%, 95 ... ST-3 Stevioside 85%, 90%, 95% HPLC JECFA ST-4 Steviol Glycosides 85%, 90%, 95% HPLC JECFA Structural Formula: Description:1. Stevia ... process the pure glycosides can be extracted from the Stevia leaves and turned into an intensely sweet powder that is 300 ...