Abstract
A new dammarane-type saponin named quinquenoside L3 (1) together with vina-ginsenoside R3 (2) were isolated from the leaves and stems of Panax quinquefolium L. collected in Canada. On the basis of physicochemical and spectral evidences, 1 was established as 3-O-beta-D-glucopyranosyl-20-O-[beta-D-xylopyranosyl-(1-->6)-beta-D -glucopyranosyl] 20(S)-dammar-23-ene-3 beta, 12 beta,20,25-tetryol.
MeSH terms
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Carbohydrate Conformation
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Magnetic Resonance Spectroscopy
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Oligosaccharides / chemistry
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Oligosaccharides / isolation & purification*
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Panax / chemistry*
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Plant Leaves / chemistry
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Plant Stems / chemistry
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Plants, Medicinal*
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Saponins / chemistry
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Saponins / isolation & purification*
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Triterpenes*
Substances
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3-O-glucopyranosyl-20-O-(xylopyranosyl-(1-6)-glucopyranosyl)20-dammar-23-ene-3,12,20,25-tetryol
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Oligosaccharides
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Saponins
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Triterpenes