Journal of Korean Medicine for Obesity Research

Table. 5. Table 5

Analytical Result of Recovery Test

Sample	Peak	Spiked concentration (μg/mL)	Measured concentration (μg/mL)	SD	RSD (%)	Recovery (%)
Ephera sinica	Ephedrine	12.5	13.85	0.070	0.50	110.77
		50	52.18	0.058	0.11	104.35
		80	85.74	0.191	0.22	107.18
	Pseudoephedrine	12.5	13.78	0.107	0.78	110.21
		50	52.89	0.044	0.08	105.78
		80	87.00	0.161	0.18	108.75
Wolbigachul-tang	Ephedrine	12.5	13.14	0.083	0.63	105.09
		50	52.45	0.011	0.02	104.90
		80	84.32	0.066	0.08	105.40
	Pseudoephedrine	12.5	13.18	0.035	0.27	105.44
		50	52.97	0.024	0.05	105.94
		80	84.76	0.108	0.13	105.95

SD: standard deviation, RSD: relative standard deviation.