Effects of Flos carthami on CYP2D6 and on the Pharmacokinetics of Metoprolol in Rats

Figure 1

HPLC chromatograms of urine of rats in vivo. (a) Blank group, (b) Flos carthami-treated group. DX: dextrophan (metabolite of dextromethorphan); DB: buprenorphine (internal standard); DM: dextromethorphan.

(a)

(b)