Figure 3From: Validated method to measure yakuchinone A in plasma by LC-MS/MS and its application to a pharmacokinetic study in rats LC-MS/MS chromatograms for a typical blank rat plasma sample (panel A), the same blank plasma sample spiked with yakuchinone B (IS, panel B), a mixture of standard yakuchinone A and IS (panel C), and an IS-spiked plasma sample obtained from a rat 5 min after receiving a single oral dose of Suoquan capsules at 5.7 g/kg (panel D). Back to article page