Studies on Fungal Polysaccharides. XX. Galactomannan of Cordyceps sinensis
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概要
- 論文の詳細を見る
Water-soluble polysaccharide from ascocarps of Cordyceps sinensis was purified by ethanol fractionation and gel filtration. Purified polysaccharide, CS-I, [α] D-45.3°(c=1,H_2O), gave D-galactose (phenylosazone, mp 185-187°) and D-mannose (phenyl-hydrazone, mp 199-200°) in a molar ratio of 1 : 1 by acid hydrolysis. From the results of periodate oxidation, Smith-type degradation, methylation analysis, partial acid hydrolysis, and ^<13>C-NMR spectrometry, it is concluded that CS-I is a highly branched galactomannan which consists of mannan core and galactosyl oligomer containing branches. The mannan core mainly contains (1→2)-α-linked-D-mannopyranosyl residues, and the branches contain (1→3), (1→5), and (1→6)-linked-D-galactofuranosyl, (1→4)-linked-D-galactopyranosyl residues. The non-reducing ends are D-galactofuranose and D-manno-pyranose, and the branching points are D-mannopyranosyl residues.
- 公益社団法人日本薬学会の論文
- 1977-12-25
著者
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宮崎 利夫
Tokyo College of Pharmacy
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山田 陽城
Oriental Medicine Research Center Of The Kitasato Institute
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宮崎 利夫
Department of Microbial Chemistry, Tokyo College of Pharmacy
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山田 陽城
Department of Microbial Chemistry, Tokyo College of Pharmacy
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及川 直子
Department of Microbial Chemistry, Tokyo College of Pharmacy
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及川 直子
Department Of Microbial Chemistry Tokyo College Of Pharmacy
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