Table 3.

Statistical results of recovery of extraction of analytes in HP (n=9).

Analyte	Spiked amount (mg)	Recorded amount (mg)	RSD (%)	Calculated recovery (%)	Mean recovery (%)
Sophoricoside	0.144	0.151	0.89	104.9	100.3
	0.288	0.279	0.45	96.8
	0.432	0.428	0.21	99.1
Baicalin	0.109	0.106	0.32	97.6	100.0
	0.218	0.224	0.55	102.5
	0.327	0.327	0.04	99.9
Naringin	0.101	0.108	1.35	106.9	100.6
	0.202	0.182	0.76	90.2
	0.303	0.317	1.04	104.6
Genistein	0.006	0.005	0.67	92.7	96.1
	0.011	0.010	0.34	94.4
	0.017	0.017	0.58	101.1
Rutin	0.107	0.105	0.25	98.1	101.0
	0.214	0.216	0.49	101.0
	0.321	0.333	0.81	103.8
Quercetin	2.45×10-3	2.41×10-3	0.34	98.4	96.3
	4.90×10-3	4.80×10-3	0.28	98.0
	7.35×10-3	6.81×10-3	0.54	92.6
5-O-methylvisammioside	5.2×10-3	5.3×10-3	0.65	101.9	99.1
	10.4×10-3	10.2×10-3	0.23	98.1
	15.6×10-3	15.2×10-3	0.44	97.4