... A98%) stevia is extracted from stevia leaf. Steviosides: 80%,90%, 95%, 98% Specifications* 80-98% Stevioside White Powder UV * Origanic certificated *For Sweeteners * ... in producing stevia products.Our specification is as follow. Stevioside: 80%,90%, 95%, 98% Rebaudioside A (Reb A or RA): 40%, 60 ... %, 80% ,90%,95%,96%,97%,98%,99%,etc.Non-bitter stevioside (Enzyme treated stevia, ...