Steviol Glycosides



Steviol glycosides are purified extracts of Stevia rebaudiana Bertoni, known as a natural sweetener with high sweetness and no calories. There are four main glycosides: Stevioside, Rebaudioside A, Rebaudioside C, and Dulcoside A. Stevioside and Rebaudioside A are the dominant components and the ratio of these two is the major determinant of taste quality. Where stevioside is more than 50% of the total glycosides, the taste is common or traditional and with a liquorice after-taste. Where Rebaudioside A makes up more than 50%, the taste is improved with a reduced aftertaste. Other minor glycosides present generally make up less than 5% of the total and include Rebaudioside B,D,E and F, Steviolbioside and Dulcoside B.



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