Simultaneous Determination of Three Compounds in Rat Plasma by UHPLC-QQQ-MS/MS and Its Application to Pharmacokinetics of Banxia Baizhu Tianma Tang

Figure 2

Typical MRM chromatograms of blank plasma (a), a blank sample spiked with the three compounds and I.S. (b), and plasma sample after intragastric administration in a single dose (c) (peak I: ephedrine; peak II: gastrodin; peak III: liquiritin; peak IV: I.S.).

(a)

(b)

(c)