Abstract
A new triterpenoid saponin named gylongiposide I was isolated from the aerial parts of Gynostemma longipes C.Y. Wu. On the basis of chemical evidence and spectral data the structure of gylongiposide I was elucidated as 19-oxo-3 beta, 20(S), 21-trihydroxydammar-24-ene-3-O-([alpha-L-rhamnopyranosy(1-->2)] [beta-D-xylpyranosyl(1-->3)]) alpha-L-arabinopyranoside (G). The known compounds were identified as gypenoside XLIX(F) and ginsenoside Rb1(A).
MeSH terms
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Drugs, Chinese Herbal / chemistry*
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Ginsenosides
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Gynostemma / chemistry*
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Molecular Structure
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Plants, Medicinal / chemistry*
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Saponins / chemistry
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Saponins / isolation & purification*
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Saponins / pharmacology
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Triterpenes / chemistry
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Triterpenes / isolation & purification*
Substances
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3-((O-6-deoxymannopyranosyl-1-2-O-(xylopyranosyl-1-3)arabinopyranosyl)oxy)-21-glucopyranosyloxy-20-hydroxydammar-24-en-19-al
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Drugs, Chinese Herbal
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Ginsenosides
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Saponins
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Triterpenes
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gylongiposide I