Table 1.

Relative recovery and matrix effect of mefloquine and enpiroline extracted from mouse plasma samples by protein precipitation with methanol

Analyte	Nominal concn (ng/ml)	Relative recovery (%)	Mean ± CVa (%)	Matrix effect (%)	Mean ± CVa (%)
Mefloquine	750	78.4	76.6 ± 7.9	86.2	83.9 ± 7.1
	7,500	72.9		77.5
	30,000	78.3		88.1
Enpiroline	750	66.3	71.3 ± 12	90.7	84.3 ± 11.1
	7,500	69.8		75.2
	30,000	77.9		87.0

^an = 5 samples.