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

Table 2

Incurred sample reanalysis data of ephedrine.

Subject no.	Sampling point (min)	Original concentration (ng/mL)	Incurred sample concentration (ng/mL)	Mean (ng/mL)	RE (%)
1	30	1.16	1.28	1.22	9.8
1	180	0.401	0.432	0.417	7.4
2	30	1.33	1.49	1.41	11.3
2	180	0.337	0.327	0.332	−3.0
3	30	2.38	2.65	2.52	10.7
3	180	0.730	0.746	0.738	2.2
4	30	1.02	1.12	1.07	9.3
4	180	0.301	0.345	0.323	13.6
5	30	1.58	1.47	1.53	−7.2
5	180	0.426	0.478	0.452	11.5
6	30	1.69	1.81	1.75	6.9
6	180	0.432	0.444	0.438	2.7