Table 2.

Recovery studies for the determination of four flavonoids from samples with known concentration (n = 3).

Analyte	Addition (µg/mL)	Recovery (%) (mean ± SD)	RSD (%)
RU	30	99.49 ± 1.32	1.33
	60	98.14 ± 1.43	1.45
	120	96.87 ± 1.20	1.24
QU	30	98.44 ± 4.38	4.45
	60	98.71 ± 1.24	1.26
	120	97.98 ± 2.93	2.99
CA	30	97.83 ± 3.92	4.01
	60	99.04 ± 2.04	2.06
	120	98.21 ± 1.33	1.36
KA	30	98.37 ± 1.25	1.27
	60	97.66 ± 1.54	1.57
	120	100.54 ± 1.35	1.34