Tissue Distribution of Total Flavonoids Extracts of Drynariae Rhizoma in Young and Old Rats by UPLC–MS/MS Determination

Table 7

Interday and intraday precision and accuracy data for assays of eriodictyol in different tissues (n = 6).

Tissues	Spiked (ng/mL)	Interday			Intraday
		Mean ± SD	Precision (RSD, %)	Relative error (RE, %)	Mean ± SD	Precision (RSD, %)	Relative error (RE, %)
Liver	8.10	8.90 ± 1.28	14.38	9.88	8.58 ± 1.25	14.57	5.93
	40.50	38.20 ± 4.04	10.58	−5.68	36.81 ± 3.60	9.78	−9.11
	81.00	84.30 ± 10.68	12.67	4.07	86.45 ± 11.11	12.85	6.73
Spleen	5.05	4.90 ± 0.55	11.22	−2.97	4.75 ± 0.65	13.68	−5.94
	10.10	11.50 ± 0.98	8.52	13.86	11.61 ± 1.12	9.65	14.95
	25.25	22.66 ± 2.81	12.40	−10.26	22.78 ± 2.62	11.50	−9.78
Lung	8.10	8.59 ± 0.90	10.48	6.05	9.11 ± 0.49	5.38	12.47
	40.50	41.34 ± 5.82	14.08	2.07	43.80 ± 5.67	12.95	8.15
	81.00	81.34 ± 10.47	12.87	0.42	78.13 ± 9.28	11.88	−3.54
Stomach	8.10	9.14 ± 1.31	14.33	12.84	9.21 ± 1.18	12.81	13.70
	81.00	81.91 ± 7.07	8.63	1.12	80.93 ± 7.10	8.77	−0.09
	162.00	159.83 ± 23.14	14.48	−1.34	166.06 ± 24.72	14.89	2.51
Uterus	5.05	5.24 ± 0.74	14.12	3.76	5.43 ± 0.63	11.60	7.52
	10.10	10.16 ± 1.38	13.58	0.59	10.34 ± 1.39	13.44	2.38
	25.25	22.68 ± 2.90	12.79	−10.18	22.85 ± 3.59	13.09	−9.50
Ovary	8.10	8.91 ± 1.06	11.90	10.00	8.55 ± 1.08	12.63	5.56
	40.50	38.38 ± 5.30	13.81	−5.23	39.78 ± 4.77	11.99	−1.78
	81.00	87.31 ± 7.86	9.00	7.79	91.95 ± 4.08	4.44	13.52
Intestine	8.10	8.83 ± 1.18	13.36	9.01	8.92 ± 1.01	11.32	10.12
	81.00	80.17 ± 9.98	12.45	−1.02	80.27 ± 10.22	12.73	−0.90
	162.00	175.52 ± 20.24	11.53	8.35	176.33 ± 21.61	12.26	8.85