Table 2.

Analytical results of intra and interday test

Components	Concentration (μg/ml)	Intraday (n=5)		Interday (n=5)
		Mean±SD (μg/ml)	RSD (%)	Mean±SD (μg/ml)	RSD (%)
Paeoniflorin	4.00	4.84 ± 0.004	0.08	4.64 ± 0.11	2.31
	2.00	1.68 ± 0.04	2.08	1.51 ± 0.06	4.16
	0.20	0.13 ± 0.004	3.01	0.11 ± 0.01	2.48
6-Gingerol	4.00	4.81 ± 0.09	1.89	4.70 ± 0.07	1.49
	2.00	1.56 ± 0.02	1.25	2.10 ± 0.12	5.73
	0.20	0.20 ± 0.01	3.67	0.37 ± 0.01	3.92
Decursin	7.00	6.10 ± 0.05	0.74	5.80 ± 0.23	3.93
	3.50	3.29 ± 0.02	0.75	2.80 ± 0.10	3.41
	0.35	0.35 ± 0.01	2.23	0.25 ± 0.005	1.83
Glycyrrhizin	10.00	12.13 ± 0.25	2.03	11.64 ± 0.31	2.68
	5.00	4.05 ± 0.02	0.38	4.64 ± 0.08	1.67
	0.50	0.54 ± 0.01	1.16	0.64 ± 0.03	4.43
Cinnamic acid	2.00	2.31 ± 0.01	0.23	2.24 ± 0.06	2.52
	1.00	0.96 ± 0.01	0.63	0.92 ± 0.01	1.24
	0.10	0.15 ± 0.003	1.84	0.15 ± 0.01	4.86