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Partial Structure of Panaxan A, A Hypoglycaemic Glycan of<i>Panax ginseng</i>Roots<sup>1</sup>
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1984
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GlycoproteomicsProtein GlycosylationPanax GinsengBiochemistryNatural SciencesMedicineGlycobiologyMolecular WeightPolysaccharidePartial StructureChemical BiologyPharmacologyHemicelluloseCarbohydrate-protein InteractionHypoglycaemic ConstituentGlycosylation
A hypoglycaemic constituent, panaxan A, isolated from the roots of Panax ginseng, was revealed to be a glycan with molecular weight of ca. 14000. Spectroscopic and degradative studies demonstrated that panaxan A is mainly composed of α - 1 →; 6 linked D-glucopyranose residues having branching at the C-3 position, the ratio of terminals, branching positions and intermediate units being ca. 1:1:2.