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Rebaudioside E, one of the minor components of steviol glycosides, was first isolated and identified from Stevia rebaudiana in 1977. It is a high-intensity sweetener that tastes about 150-200 times sweeter than sucrose and is also a precursor for biosynthesis of rebaudioside D and rebaudioside M, the next-generation Stevia sweeteners.
Rebaudioside E was isolated from Stevia rebaudiana leaves. Steviol glycosides are typically 200-350 times sweeter than sucrose, therefore Rebaudioside E (stevia sweetner) can potentially be used in the production of low and no-calorie products.

Rebaudioside E is a rebaudioside that is stevioside in which the hydroxy group at position 2 of the glucosyl ester moiety has been converted into the corresponding beta-D-glucoside. It is a tetracyclic diterpenoid, a rebaudioside and a sophoroside. It derives from a stevioside.