Effects of various chemical reagents on the inclusion by cyclic-oligosaccharides

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  • サイクロオリゴ糖の包接作用に対する各種修飾剤の影響
  • サイクロ オリゴトウ ノ ホウセツサヨウ ニ タイスル カクシュ シュウショクザイ ノ エイキョウ

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Among the monosaccharides and oligosaccharides, maltooligosaccharides containing 6~8 glucoses showed high reactivity when incubated with 4 types of surfactants. In the presence of cetavlon (CTAB) or sodiumborate (borax), which were known to modify the structure of sugar,guest molecules of catechin, and glucosamine (GlcNH) showed high reactivity with cyclodextrin (CD) molecules, indicated by significant spectral changes of the reaction products. TLC and HPLC analyses of the reaction products with chitosan-oligomer showed that several forms of the reaction products were detected besides the donor substrate of the CD molecules. Cyclodextran (CI) having α-1,6- linked cyclic structure of glucose molecule, showed somewhat differentreactivity with catechin, compared with the case of CD. Based on these results, reactivity ofcyclic-oligosaccharide for the inclusion reaction in the presence of various chemical reagents was discussed.

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