Solubilization of Steviolbioside and Steviolmonoside with γ-Cyclodextrin and Its Application to Selective Syntheses of Better Sweet Glycosides from Stevioside and Rubusoside
スポンサーリンク
概要
- 論文の詳細を見る
1,4-α-Glucosylation at the 13-O-glycosyl moiety of stevioside (S) and rubusoside (RU) results in a significant increase of sweetness. Saponification of the 19-COO-β-glucosyl linkage of S and RU yielded steviolbioside (SB) (=13-O-β-sophorosyl-steviol) and steviolmonoside (SM) (=13-O-β-glucosyl-steviol), respectively, both of which are poorly soluble in an acetate buffer. It was found that the solubilities of SM and SB in the buffer solution were remarkably increased in the presence of γ-cyclodextrin (γ-CD). SB was solubilized in the buffer solution with the aid of γ-CD, and the solution was subjected to 1,4-α-transglucosylation by using a cyclodextrin glucanotransferase-starch system to give a mixture of products which were glucosylated at the 13-O-glycosyl moiety. This mixture was acetylated, and the acetate was subjected to chemical β-glucosylation of 19-COOH followed by deacetylation to afford compounds which have superior sweetness to S. In the same way, derivatives with superior sweetness were selectively prepared from RU through SM.
- 社団法人日本薬学会の論文
- 1991-12-25
著者
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笠井 良次
Institute of Pharmaceutical Sciences, Hiroshima University, School of Medicine
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山崎 和男
Institute of Pharmaceutical Sciences, Hiroshima University School of Medicine
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田中 治
Suzugamine Women's College
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田中 治
広島大
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大谷 和弘
広島大・医
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笠井 良次
広島大・医
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大谷 和弘
Institute of Pharmaceutical Sciences, Hiroshima University
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相川 容子
Institute of Pharmaceutical Sciences, Hiroshima University School of Medicine
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藤沢 良志子
Institute of Pharmaceutical Sciences, Hiroshima University School of Medicine
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山崎 和男
Institute Of Pharmaceutical Sciences Hiroshima University School Of Medicine
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田中 治
Institute Of Pharmaceutical Sciences Hiroshima University School Of Medicine
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相川 容子
Institute Of Pharmaceutical Sciences Hiroshima University School Of Medicine
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藤沢 良志子
Institute Of Pharmaceutical Sciences Hiroshima University School Of Medicine
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