Development of Simultaneous Analysis of Thirteen Bioactive Compounds in So-Cheong-Ryong-Tang Using UPLC-DAD

Table 3

Determination of recoveries of the 13 compounds (1–13) in SCRT.

Compounds	Spiked amount	Measured amount	Recovery (%)	RSD (%)
Ephedrine	25	25.20 ± 0.19	100.78	0.73
	50	51.86 ± 0.78	103.72	1.50
	100	100.23 ± 0.59	100.23	0.59
Methyl gallate	5	4.47 ± 0.01	89.33	0.30
	12.5	10.94 ± 0.04	87.53	0.33
	50	45.63 ± 0.03	91.26	0.07
Catechin	5	4.98 ± 0.02	99.53	0.40
	12.5	11.42 ± 0.09	91.39	0.76
	50	45.53 ± 0.30	91.05	0.65
Albiflorin	5	5.15 ± 0.02	103.09	0.36
	25	25.90 ± 0.11	103.59	0.42
	100	98.23 ± 1.06	98.23	1.08
Paeoniflorin	10	10.05 ± 0.02	100.54	0.21
	25	24.64 ± 0.08	98.55	0.34
	100	100.97 ± 0.35	100.97	0.35
Benzoic acid	25	24.43 ± 0.09	97.70	0.39
	50	47.29 ± 0.17	94.59	0.37
	100	97.28 ± 0.10	97.28	0.10
Liquiritin	5	5.05 ± 0.05	100.93	0.91
	12.5	12.54 ± 0.12	100.31	0.97
	50	42.98 ± 0.22	85.96	0.52
Liquiritin apioside	5	4.94 ± 0.04	98.79	0.79
	12.5	12.55 ± 0.03	100.43	0.27
	50	48.99 ± 0.45	97.98	0.93
1,2,3,4,6-Pentagalloyl glucose	10	10.00 ± 0.13	99.98	1.30
	50	46.89 ± 0.25	93.77	0.53
	100	99.17 ± 0.56	99.17	0.56
Cinnamic acid	12.5	12.61 ± 0.06	100.88	0.49
	25	24.70 ± 0.02	98.81	0.09
	50	52.28 ± 0.22	104.57	0.42
Glycyrrhizin	25	24.13 ± 0.16	96.54	0.66
	50	50.36 ± 0.14	100.72	0.27
	100	102.79 ± 0.52	102.79	0.50
Schisandrin	1	0.98 ± 0.01	97.78	0.87
	5	4.65 ± 0.04	92.93	0.77
	20	17.98 ± 0.03	89.90	0.18
6-Shogaol	20	15.22 ± 0.02	76.08	0.14
	100	85.23 ± 0.05	85.23	0.06
	200	177.66 ± 0.05	88.83	0.03