Table 3: Intra-/inter-day precision and accuracy for the determination of the components in rat plasma.

AnalytesSpiked Concentration
(ng/mL)
Precision (%)Accuracy (%, Mean ± SD)
Intra-dayInter-dayIntra-dayInter-day

Baicalin2.16.542.9685.12 ± 5.8290.10 ± 9.84
25.05.8210.8790.73 ± 7.8087.45 ± 4.95
262510.7611.7191.19 ± 8.3794.14 ± 7.30
Baicalein2.06.605.4195.19 ± 8.9592.61 ± 7.28
25.011.727.9896.46 ± 8.1798.19 ± 6.89
5756.864.24100.15 ± 9.36105.85 ± 7.94
Wogonoside2.03.4514.3187.12 ± 5.84102.19 ± 9.78
25.07.857.5490.73 ± 7.9185.96 ± 5.85
18757.190.77101.14 ± 5.3898.89 ± 7.23
Wogonin2.02.915.9796.45 ± 5.8988.77 ± 4.93
25.74.5314.1192.76 ± 6.8994.75 ± 5.73
136.72.069.9295.71 ± 8.7890.50 ± 3.35
Berberine0.253.9213.2888.19 ± 6.5988.14 ± 5.05
2.509.482.9999.45 ± 8.8485.79 ± 8.78
25.01.2912.25100.89 ± 8.7391.16 ± 4.38
Palmatine0.253.7510.5485.12 ± 5.8195.19 ± 8.95
2.507.369.6690.89 ± 7.93106.49 ± 8.19
25.06.280.78108.78 ± 4.73110.14 ± 9.24
Jatrorrhizine0.253.5513.06104.12 ± 7.4687.02 ± 6.24
2.507.186.5792.57 ± 6.6590.64 ± 5.93
25.04.380.8698.10 ± 4.3596.18 ± 4.97