Isolation and Structural Features of Two Glucans from the Rhizomes of Crinum latifolium

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概要

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• Two water-soluble glucans (A and B) were isolated from the rhizomes of Crinum latifolium. The final preparations were each homogeneous as determined by glass-fiber electrophoresis, gel chromatography, and thin-layer chromatography. Glucan A was composed of 12 glucose units, while glucan B had about 110 glucose residues. Methylation, periodate oxidation, nuclear magnetic resonance, and enzymic degradation studies showed that both glucans are mainly composed of α-1→4 linked D-glucopyranose residues having branches linked through position 6. Glucan A had one side chain composed of a hexasaccharide. The average length of the unit chain in glucan B was about 11,and glucan B had various polymerized side chains. O-Acetyl groups were identified in glucan A, and they were located at positions 2 and 3 of a glucose unit.

• 1985-01-25

著者

• 清水 訓子

  Kyoritsu College Of Pharmacy

• 友田 正司

  Kyoritsu College of Pharmacy

• 嶋田 和代

  Kyoritsu College Of Pharmacy

• 須賀 美恵

  Kyoritsu College of Pharmacy

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