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  • Title: Quinquenoside F₆, a new triterpenoid saponin from the fruits of Panax quinquefolium L.
    Author: Lu D, Li P, Liu J.
    Journal: Nat Prod Res; 2012; 26(15):1395-401. PubMed ID: 22007657.
    Abstract:
    Six triterpenoid saponins, including one new compound, quinquenoside F₆(1), and five known compounds ginsenoside Re, ginsenoside Rg₁, ginsenoside Rg₂, ginsenoside Rh₁ and pseudo-ginsenoside F₁₁, were isolated from the fruits of Panax quinquefolium L., and the structure of compound 1 was elucidated as 6-O-β-d-glucopyranosyl-20-O-[α-l-arabino- furanosyl-(1-6)-β-d-glucopyranosyl]-dammar-24-ene-3β, 6α, 12β, 20S-tetraol by the combination of the analysis of spectroscopic data and chemical evidences. The complete signal assignments of the six compounds were carried out by means of 2D NMR spectral analysis.
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