Table 2.

The intra- and interday precision and accuracy of quercetin, luteolin, and apigenin in rat plasma (n = 6).

Compounds	Spiked conc. (μg/ml)	Intraday			Interday
		Found conc. (μg/ml)	Precision (RSD%)	Accuracy (%)	Found conc. (μg/ml)	Precision (RSD%)	Accuracy (%)
Quercetin	0.57	0.58 ± 0.04	7.31	102.38	0.58 ± 0.01	2.20	102.39
	2.84	2.57 ± 0.11	4.22	90.53	2.81 ± 0.25	8.81	99.05
	9.09	8.79 ± 0.61	6.99	96.67	8.66 ± 0.11	1.31	95.31
Luteolin	0.56	0.60 ± 0.02	2.79	107.74	0.61 ± 0.01	1.06	109.02
	2.80	2.81 ± 0.20	7.13	100.32	2.90 ± 0.08	2.89	103.68
	8.96	8.98 ± 0.53	5.90	100.21	8.92 ± 0.05	0.54	99.61
Apigenin	0.53	0.50 ± 0.04	8.32	94.59	0.49 ± 0.01	2.64	93.17
	2.65	2.77 ± 0.15	5.50	104.57	2.71 ± 0.05	1.88	102.36
	8.48	8.46 ± 0.52	6.12	99.72	8.41 ± 0.04	0.47	99.23