Research Article

Simultaneous Determination of Bergapten, Imperatorin, Notopterol, and Isoimperatorin in Rat Plasma by High Performance Liquid Chromatography with Fluorescence Detection and Its Application to Pharmacokinetic and Excretion Study after Oral Administration of Notopterygium incisum Extract

Figure 2

Representative chromatogram of (a) blank rat plasma, (b) blank rat plasma spiked with standard compounds, and (c) real sample after oral administration of N. incisum. 1: bergapten, 2: imperatorin, 3: notopterol, 4: osthole, and 5: isoimperatorin.
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