... .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,Glucosyl stevioside ... : Product Code Description Total SteviolGlycosides Reb-A STV Reb-C & DASweetness SG98RA9898% Rebaudioside-A98%~98.60%98%~98.20%0.1%~0.6%0 ...