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Studies on the structural features and anticoagulant activity of the polysaccharide from Aeodes orbitosa / 中国海洋药物
Chinese Journal of Marine Drugs ; (6)1994.
Article in Chinese | WPRIM | ID: wpr-589594
ABSTRACT
Objective To study the structural features and anticoagulant activity of the polysaccharide isolated from Aeodes orbitosa.Methods Sugar composition analysis,methylation analysis and IR were used to characterize the structural features.The anticoagulant activity of the polysaccharide was evaluated by cutting tail and capillary methods.Results The polysaccharide was composed of 3,6-anhydrous-galactose,6-methyl-galactose,2-methyl-galactose,galactose,xylose and glucose in the molar ratios of 6.4∶0.9∶5.8∶1.6∶84.1∶1.2.The content of Sulfate group was 37.5%. The main linkage model of the polysaccharide were 1,3 and 1,4 linkages,branch point located at O-2 and 6 of galactose residues.Sulfate group located at 2 and 6 position of 1,4 linked galactose residue and 2 position of 1,3 linked galactose residue.The polysaccharide showed significant activities to extend bleeding time and coagulation time in mice.Conclusion The polysaccharide from Aeodes orbitosa was a sulfate galactan with strong anticoagulant activity.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Marine Drugs Year: 1994 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Marine Drugs Year: 1994 Type: Article