Evaluation of the Cariogenic Potential of the Intense Natural Sweeteners Stevioside and Rebaudioside A

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Abstract
Stevioside and rebaudioside A, two intense natural sweeteners, that are constituents of the South American plant Stevia rebaudiana, were tested for cariogenicity in albino Sprague-Dawley rats. Sixty rat pups colonized with Streptococcus sobrinus were divided into four groups and fed stevioside, rebaudioside A or sucrose added to basal diet 2000 as follows: group 1,30% sucrose; group 2, 0.5% stevioside; group 3, 0.5% rebaudioside A, and group 4, no addition. All four groups were sacrificed after 5 weeks. S. sobrinus counts were made and caries was evaluated according to Keyes’ technique. There were no differences in food and water intake and weight gains between the four groups. There were significant differences in sulcal caries scores (p S. sobrinus counts (p

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