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 4

Bile, urinary, and fecal cumulative excretion of the four analytes in rats following oral administration at a dose of 4.2 g kg−1 N. incisum extract.