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  • Title: Two new dammarane-type saponins from leaves of Panax quinquefolium.
    Author: Xiang Z, Lv J, Zhou Z, Li Y, Dou D, Zhao J.
    Journal: Nat Prod Res; 2013; 27(14):1271-6. PubMed ID: 23030625.
    Abstract:
    Two new saponins were isolated from the leaves of Panax quinquefolium and their structures were elucidated as 3β, 6α, 20S-trihydroxy-12β, 23R-epoxydammar-24-ene 6-O-[α-L-rhamnosyl(1 → 2)-β-D-glucopyranosyl]-20-O-β-D-glucopyranoside (1) and 3β, 20S-dihydroxy-12β, 23R-epoxydammar-24-ene 3-O-[β-D-glucopyranosyl(1 → 2)-β-D-glucopyranosyl]-20-O-β-D-glucopyranoside (2) on the basis of physicochemical evidence.
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