• Microbiology and Biotechnology Letters
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• v.21 no.5
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• pp.461-467
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• 1993

Transglycosylation reaction of cyclodextrin glucanotransferase (CGTase) was analyzed in the attrition coupled heterogeneous reaction system using raw starch as a donor` and mono-, di-saccharide, and glycoside as acceptors. For transglycosylation reaction of stevioside, the transglycosylation rate was similar and the transglycosylation yield was increased compare with conventional process using liquefied starch as the donor. Also the accumulation of maltooligosaccharides in reaction mixture was minimized.