Table 2.

Intraday (n = 6) and interday precision (n = 5) and accuracy of analytes from biological samples.

Analytes	Added (μg/mL)	Precision (RSD, %)		Accuracy (RE, %)
		Intraday	Interday	Intraday	Interday
Methyl eugenol	0.025	5.18	8.10	5.15	3.65
	0.250	6.69	7.68	−7.62	−2.15
	2.500	4.11	4.74	−3.54	−4.34
β-Asarone	0.025	4.84	6.20	2.89	2.93
	0.250	6.34	3.75	−6.03	−3.22
	2.500	4.99	6.01	−4.88	−5.76
α-Asarone	0.025	7.08	4.80	−0.77	−4.53
	0.250	3.24	4.42	−4.74	4.04
	2.500	4.85	7.99	0.71	−4.01