An Acidic Polysaccharide Having Activity on the Reticuloendothelial System from the Bark of Eucommia ulmoides
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概要
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An acidic polysaccharide, named eucomman A, was isolated from the dried bark of Eucommia ulmoides OLIV. It was homogeneous on electrophoresis and gel chromatography, and showed significant reticuloendothelial system-potentiating activity in a carbon clearance test. It is composed of L-arabinose : D-galactose : D-glucose : L-rhamnose : D-galacturonic acid in the molar ratio of 8 : 6 : 4 : 5 : 8 in addition to small amounts of peptide moiety. Its molecular mass was estimated to be 6.0×10^4. Methylation analysis, carbon-13 nuclear magnetic resonance and periodate oxidation studies enabled elucidation of its structural features.
- 1990-07-25
著者
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清水 訓子
Kyoritsu College Of Pharmacy
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友田 正司
Kyoritsu College of Pharmacy
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権田 良子
Kyoritsu College of Pharmacy
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金成 美枝子
Kyoritsu College of Pharmacy
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