Table 7.

Recovery and matrix effect of the three analytes in rat plasma samples.

Analytes	Concentration (ng·mL−1)	Mean (%)		RSD (%)
		Matrix effect	Extraction recovery	Matrix effect	Extraction recovery
Euphorbia factor L1	25	104.42	101.17	3.61	3.81
	100	89.15	99.84	1.26	4.09
	400	95.97	100.79	1.94	2.83
Euphorbia factor L2	25	110.35	105.83	1.88	5.45
	100	99.24	101.85	1.80	5.10
	400	109.95	98.89	0.85	1.46
Euphorbia factor L3	25	92.64	114.14	1.83	1.33
	100	84.72	111.71	1.45	4.00
	400	94.07	112.72	1.24	0.80