Simultaneous Determination and Pharmacokinetic Study of Quercetin, Luteolin, and Apigenin in Rat Plasma after Oral Administration of Matricaria chamomilla L. Extract by HPLC-UV

Table 2

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

Compounds	Spiked conc. (μg/ml)	Intraday			Interday
		Found conc. (μg/ml)	Precision (RSD%)	Accuracy (%)	Found conc. (μg/ml)	Precision (RSD%)	Accuracy (%)
Quercetin	0.57					2.20	102.39
	2.84					8.81	99.05
	9.09					1.31	95.31
Luteolin	0.56					1.06	109.02
	2.80					2.89	103.68
	8.96					0.54	99.61
Apigenin	0.53					2.64	93.17
	2.65					1.88	102.36
	8.48					0.47	99.23