한국연초학회지 (Journal of the Korean Society of Tobacco Science)

한국연초학회 (The Korean Society of Tobacco Science)
권호 표지

Maltol-$\alpha$-Glucoside 및 Ethyl Maltol-$\alpha$-Glucoside의 효소적 합성

Enzymatic Synthesis of Maltol-$\alpha$-Glucoside and Ethyl Maltol-$\alpha$-Glucoside

  • 발행 : 2002.12.01
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초록

Cyclodextrin glucanotransferase from Bacillus stearothemophilus and Bacillus macerans synthesized maltol and ethyl maltol monoglucoside, with a series of its maltooligo-glucosides by transglycosylation with dextrin as a donor, and maltol or ethyl maltol as an acceptor. The monoglucoside formed from reaction mixture of maltol or ethyl maltol by the successive actions of Bacillus stearothemophilus cyclodextrin glucanotransferase and Rhizopus glucoamylase was isolated by Diaion HP-20 column and silica gel column chromatography. The structure of the isolated monoglucoside was identified as maltol-$\alpha$-D-glucoside and ethyl maltol-$\alpha$-D-glucoside, respectively, by FAB-MS, UV, $^1$H-NMR, $^{13}$ C-NMR spectra and products by hydrolysis with acid, $\alpha$ - and $\beta$ -glucosidases.

키워드

참고문헌

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