Table 3. Extracted recovery and matrix effects of aconitine and digoxin.

components	Added (ng/mL)	Matrix effect (%)	Extracted recovery (%)
aconitine	14504	99.36±8.421	100.7±9.285
	1133	88.69±4.950	98.13±1.949
	226.6	101.7±3.763	102.7±1.004
digoxin	16000	90.77±3.157	89.38±4.530
	3200	101.2±3.921	97.56±9.564
	128	93.56±3.386	86.97±4.436