Figure 2From: Simultaneous determination of three major bioactive saponins of Panax notoginseng using liquid chromatography-tandem mass spectrometry and a pharmacokinetic studyHPLC chromatograms of (a) notoginsenoside R 1 ; (b) ginsenoside Rg 1 ; (c) ginsenoside Rb 1 ; and (d) internal standard (glipizide).Back to article page