Effects of Xuesaitong on the Pharmacokinetics of Losartan: An In Vivo UPLC-MS/MS Study

Table 2

Matrix effect and extraction recovery of losartan and EXP3174 in rat plasma (n = 6).

Compounds	Concentration (ng·mL^−1)	Matrix effect (%)	RSD (%)	Recovery (%)	RSD (%)
Losartan	5	92.43	8.69	85.60	6.34
	100	93.25	4.04	108.28	1.46
	1600	96.82	1.34	111.12	0.96
EXP3174	5	101.98	6.27	85.19	2.71
	100	115.74	7.75	101.25	2.38
	1600	111.36	2.59	109.79	2.51

RSD, relative standard deviation; RE, relative error.