Research Article

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

Figure 6

Typical UPLC-MS chromatograms of rat brain. (a) Blank brain sample, (b) a brain sample spiked with standard compounds, and (c) a brain 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.