Table IV.

Intraday and Interday Precision of 11 Compounds

Compound	Nominal concentration (μg)	Intraday (n = 6)			Interday (n = 3)
		Found (μg)	RSD (%)	Accuracy (%)	Found (μg)	RSD (%)	Accuracy (%)
Geniposidic acid	0.100	0.098	1.0	98.0	0.098	1.1	98.0
	4.00	4.1	0.79	102.5	4.12	0.60	103.0
	8.00	7.94	0.31	99.2	7.98	0.40	99.8
Chlorogenic acid	0.200	0.203	0.80	101.5	0.203	1.1	101.5
	2.00	2.052	0.32	102.6	2.058	0.86	102.9
	3.50	3.476	0.07	99.3	3.481	0.11	99.4
Caffeic acid	0.005	0.00495	1.3	99.0	0.00506	1.3	101.2
	0.200	0.195	0.66	97.5	0.199	0.34	99.5
	0.360	0.362	0.58	100.6	0.362	0.19	100.6
Geniposide	0.010	0.0102	0.94	102	0.0104	0.95	104.0
	0.800	0.785	0.53	98.1	0.788	0.55	98.5
	1.20	1.208	0.14	100.7	1.21	0.16	100.8
Luteoloside	0.008	0.00794	1.1	99.2	0.00805	1.2	100.6
	0.300	0.306	0.86	102	0.31	0.63	103.3
	0.500	0.498	0.75	99.6	0.505	0.21	101.0
Isochlorogenic acid C	0.250	0.254	0.87	101.6	0.258	1.2	103.2
	1.00	1.012	0.76	101.2	1.02	0.60	102.0
	1.80	1.781	0.32	98.9	1.79	0.29	99.4
Baicalin	0.200	0.195	1.40	97.5	0.199	1.1	99.5
	10.0	9.87	0.90	98.7	10.05	0.36	100.5
	20.0	20.13	0.18	100.7	20.18	0.32	100.9
Luteolin	0.020	0.0205	1.04	102.5	0.0204	1.2	102.0
	0.500	0.497	0.84	99.4	0.498	1.0	99.6
	0.900	0.876	0.48	97.3	0.906	0.42	100.7
Wogonoside	0.100	0.102	0.85	102.0	0.102	1.2	102.0
	0.400	0.397	0.29	99.2	0.396	0.49	99.0
	0.600	0.593	0.05	98.8	0.598	0.06	99.7
Baicalein	0.010	0.0102	1.2	102.0	0.0102	0.61	102.0
	0.400	0.387	0.74	96.8	0.387	0.54	96.8
	0.800	0.792	0.26	99.0	0.792	0.24	99.0
Wogonin	0.004	0.00397	1.1	99.2	0.00397	0.80	99.2
	0.100	0.103	0.44	103.0	0.103	0.45	103.0
	0.200	0.207	0.26	103.5	0.207	0.30	103.5