Table 1.

Linear relationship of the three analytes in rat plasma samples.

Analytes	Standard curve	r	Linear range (ng·mL−1)	LOQ (ng·mL−1)
Euphorbia factor L1	Y = 0.0205841X + 0.0190221	0.9990	1.002–801.6	1.002
Euphorbia factor L2	Y = 0.234217X + 0.133849	0.9955	1.010–808.0	1.010
Euphorbia factor L3	Y = 0.192309X + 0.188019	0.9977	1.002–801.6	1.002