Concentration added to plasma (ng/ml) Mean measured concentration (ng/ml) Recovery (%) RSD (%)
10 8.16 ± 0.52 81.6 6.37
400 377.6 ± 7.88 94.4 2.09
1000 923.4 ± 15.11 92.3 1.64
Table 2: Recoveries of lappaconitine in rats plasma (n=6).