Research Article

Tissue Distribution Comparison of Six Active Ingredients from an Eucommiae Cortex Extract between Normal and Spontaneously Hypertensive Rats

Figure 4

Typical UPLC-MS chromatograms of rat lung. (a) Blank lung sample, (b) a lung sample spiked with standard compounds, and (c) a lung sample obtained from a rat after oral administration of EC extract. (1) GA, (2) NCA, (3) PCA, (4) CA, (5) IS, (6) PDG, and (7) PG.