<Original>Studies on Hemicelluloses in Tension Wood : II. Structural Studies on Xylans from Tension, Opposite and Side Woods of Japanese Beech (Fagus crenata Blume)
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概要
- 論文の詳細を見る
この論文は国立情報学研究所の学術雑誌公開支援事業により電子化されました。Structural differences in three 4-0-methyl-glucuronoxylans from tension, opposite and side woods of Japanese beech (Fagus crenata Blume) were investigated. Each 4-0-methyl-glucuronoxylan was isolated from the 1 % potassium hydroxide extract and purified by gel filtration on Sepharose 4B. The weight average molecular weights of three xylans were similar and estimated to be in the range of 20,000-25,000 by gel filtration. A structural analysis by the methylation method and ^<13>C-n.m.r. spectroscopy showed that no substantial differences were detected between these three xylans. ^<13>C-N.m.r. spectroscopy was used in determination of the ring size, anomeric configuration, the position of 0-glycosidation and the purity of these xylans, suggesting the effectiveness of this technique for characterization of polysaccharides in wood.
- 京都大学の論文
- 1983-03-25
著者
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Azuma J
Kyoto Univ. Kyoto Jpn
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東 順一
京大
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東 順一
京大・農
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KOSHIJIMA Tetsuo
Research Section of Wood Chemistry, WOOD RESEARCH INSTITUTE, KYOTO UNIVERSITY
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Azuma Jun-ichi
Faculty Of Agriculture Kyoto University
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Azuma Jun-ichi
Research Section Of Wood Chemistry Wood Research Institute Kyoto University
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FUJII Machiko
Research Section of Wood Chemistry, WOOD RESEARCH INSTITUTE, KYOTO UNIVERSITY
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Fujii Machiko
Research Section Of Wood Chemistry Wood Research Institute Kyoto University
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Koshijima Tetsuo
Section Of Wood Chemistry Wood Research Institute Kyoto University
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Koshijima Tetsuo
Research Section Of Wood Chemistry Wood Research Institute Kyoto University
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Azuma J
Kyoto Univ.
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