Abstract
Panaxfurayne A and B, biologically novel tetrahydrofuranic polyacetylene glycosides, were founded from roots of Panax ginseng C. A. Meyer (Araliaceae). To study the contents of panaxfurynes A and B, a quantitative analysis method was developed using ultra performance liquid chromatography (UPLC) coupled with photo diode array detector. The dried (65 °C, 72 h) and powdered sample (5 g) was extracted with ethanol (15%, 100 ml) for 30 min at 50 °C and concentrate. The constituents were separated using an isocratic mobile phase consisting acetonitrile (16%) in water for 10 min on a ODS column. The contents of panaxfuraynes A and B in the roots of Panax quinquefolium, Panax japonicum, Panax notoginseng and P. ginseng were found to less than 3 and 2 ng/g approximately, respectively. The constituents were not detected from P. japonicum.
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