a crystalline substance 500 times sweeter than sugar; used as a calorie-free sweetener. TESTSTANDARDRESULTAppearanceWhite or slightly yellow crystals or crystalline powder, reducing suger.White crystals, reducing sugarAssay97.0~102.0% (HPLC, dry basis)99.0%Loss on Drying≤3.0% (in vacuum, 60°C, 3hours)0.20%Residue on ignition (Sulfated)≤0.20%0.06%Specific Rotation-18.0°~-22.0°-20.1°State of ...