Figure 1
Structures of the investigated saponins in P. notoginseng. glc, β-D-glucose; glc', α-D-glucosexyl, β-D-xylose; rha, α-L-rhamnose; araf, α-L-arabinose (furanose). Notoginsenoside I *, H is instead of OH (C12) in 20S-form. SC1 **, 6-O-β-D-xylopyranosyl -20-β-D-xylopyranosyl-(1→6)-β-D-glucopyranosyl dammar-24-ene-3β, 6α, 12β, 20(S)tetraol.