Journal of Applied Glycoscience
Online ISSN : 1880-7291
Print ISSN : 1344-7882
ISSN-L : 1344-7882
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Structural Analysis of Difructose Anhydrides (DFAs) Synthesized from Monosaccharides by Thermal Treatment
Akira Yamamori, Yusuke Takata, Eri Fukushi, Jun Kawabata, Hideki Okada, Naoki Kawazoe, Keiji Ueno, Shuichi Onodera, Norio Shiomi
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Keywords: difructose anhydride, disaccharide, oligosaccharide, thermal treatment
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2015 Volume 62 Issue 3 Pages 121-125

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Abstract

Ten difructose anhydrides (DFAs) were the predominant products formed from the thermal treatment of equal amounts of D-glucose and D-fructose under melting conditions at 150°C for 60 min. The DFAs were isolated from the reaction mixture by carbon-Celite column chromatography and preparative high-performance liquid chromatography. The structures of the saccharides were confirmed by NMR measurements. We present the complete assignments of the 1H- and 13C-NMR signals of two of these DFAs for the first time.

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© 2015 by The Japanese Society of Applied Glycoscience
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