... purity. These single compounts usually refer to Rebaudioside A(RA), Rebaudioside C(RC), Stevioside(STV), Dulcoside A(DA), ... of stevia products, for example, higher content of RA or STV, lower content or get rid of ... RC, DA and STVB. With higher content of RA or STV, the aftertaste of Stevia Extract will ... 90%, 95%, 98% B. Rebaudioside A(Reb A or RA): 40%, 60%, 80%, 90%, 95% C. Non-bitter stevioside( ...