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Biosci Biotechnol Biochem. 1997 Dec;61(12):2015-8.

Effects of a hydrogenated isomaltooligosaccharide mixture on glucan synthesis and on caries development in rats.

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Research and Development Center, Showa Sangyo Co., Ltd., Ibaraki, Japan.


The caries inhibitory effect of the hydrogenated derivative of an isomaltooligosaccharides mixture (IMO-H) was examined in vitro and in vivo experiments. IMO-H could not be used as a substrate for the crude glucosyltransferases (GTases) of Streptococcus sobrinus 6715 to synthesize water-insoluble glucan. Moreover, it not only significantly inhibited the synthesis of water-insoluble glucan from sucrose, but also the sucrose-dependent adherence of these growing cells the glass surfaces. In the in vivo experiment, the addition of IMO-H to a sucrose-containing diet resulted in significant reduction of caries development in specific-pathogen-free (SPF) rats infected with S. sobrinus 6715.

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