Comparative Pharmacokinetics and Bioavailability of Three Ephedrines in Rat after Oral Administration of Unprocessed and Honey-Fried Ephedra Extract by Response Surface Experimental Design

Table 2

Linear regression data of all the analytes in rat plasma.

	Linear range; (ng/mL)	Slope	Intercept		LLOQ (ng/mL)
						RE%	RSD%
EH	8–3200	8.2 × 10^−3	1.7 × 10^−3	0.9952	8	6.3	7.2
PEH	12–3000	4.7 × 10^−4	5.0 × 10^−4	0.9932	12	−3.5	5.8
MEH	6–300	4.4 × 10^−4	2.0 × 10^−3	0.9935	6	4.9	8.3