Panax Notoginseng Protects against Diabetes-Associated Endothelial Dysfunction: Comparison between Ethanolic Extract and Total Saponin

Figure 1

Quantitative analysis of Panax notoginseng ethanolic extract (PNE) and total saponins (PNS). Chromatograms of (a) mixed standards, (b) PNS, and (c) PNE by UPLC analysis. 1: Notogisenoside R1; 2: Ginsenoside Rb1; 3: Ginsenoside Re; 4: Ginsenoside Rg1; 5: Ginsenoside Rd. (d) Chemical structures of notoginsenoside R1, ginsenosides Rg1, Re, Rb1, and Rd. Glc, β-D-glucose; Rha, α-L-rhamnose; Xyl, β-D-xylose.

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