Simultaneous Quantitative Determination of Polyphenolic Compounds in Blumea balsamifera (Ai-Na-Xiang, Sembung) by High-Performance Liquid Chromatography with Photodiode Array Detector

Table 3

Recovery of the targets (n = 3).

No.	Original (mg)	Spiked (mg)	Found (mg)	Recovery (%)^a	RSD (%)^b
1	0.36	0.23	0.59	100.95 ± 3.95	3.91
	0.30	0.29	0.61	104.00 ± 2.67	2.56
	0.24	0.35	0.59	102.15 ± 3.37	3.30
2	0.33	0.21	0.55	102.84 ± 4.08	3.97
	0.28	0.26	0.56	104.51 ± 2.94	2.81
	0.22	0.32	0.54	102.64 ± 2.41	2.34
3	0.32	0.20	0.52	103.76 ± 3.67	3.54
	0.27	0.24	0.53	105.68 ± 3.02	2.86
	0.21	0.29	0.51	103.49 ± 2.38	2.30
4	2.40	1.67	4.02	96.90 ± 4.18	4.31
	2.04	2.09	4.12	99.95 ± 2.63	2.63
	1.60	2.50	4.09	99.53 ± 2.31	2.32
5	0.54	0.33	0.88	100.70 ± 4.80	4.76
	0.46	0.41	0.89	103.53 ± 3.67	3.55
	0.36	0.50	0.87	102.48 ± 3.64	3.56
6	0.11	0.06	0.17	103.95 ± 4.36	4.19
	0.10	0.07	0.17	106.42 ± 0.32	0.30
	0.08	0.09	0.17	109.92 ± 0.51	0.46
7	0.74	0.44	1.21	104.71 ± 1.64	1.57
	0.63	0.55	1.17	96.69 ± 3.77	3.89
	0.50	0.67	1.13	95.37 ± 2.22	2.32
8	0.10	0.05	0.16	108.99 ± 3.63	3.33
	0.09	0.06	0.16	108.76 ± 0.88	0.81
	0.07	0.08	0.15	107.31 ± 1.03	0.96
9	0.03	0.03	0.05	103.56 ± 2.84	2.74
	0.02	0.03	0.06	109.35 ± 0.45	0.41
	0.02	0.04	0.06	104.19 ± 0.37	0.36
10	0.05	0.03	0.08	101.56 ± 3.61	3.56
	0.04	0.04	0.08	108.86 ± 1.50	1.38
	0.03	0.04	0.08	107.88 ± 0.30	0.27
11	0.10	0.07	0.17	102.90 ± 4.55	4.42
	0.09	0.09	0.18	104.61 ± 3.51	3.36
	0.07	0.10	0.18	103.53 ± 2.47	2.39
12	0.84	0.53	1.39	102.48 ± 4.30	4.20
	0.72	0.67	1.41	104.43 ± 3.43	3.28
	0.56	0.80	1.39	103.05 ± 2.48	2.41
13	0.67	0.45	1.13	102.81 ± 4.19	4.08
	0.57	0.56	1.16	104.67 ± 3.05	2.91
	0.45	0.67	1.14	103.34 ± 2.43	2.36
14	0.24	0.13	0.36	97.59 ± 3.55	3.64
	0.20	0.16	0.36	102.75 ± 1.42	1.39
	0.16	0.19	0.36	106.26 ± 0.52	0.49
15	0.02	0.02	0.04	103.40 ± 4.19	4.05
	0.02	0.02	0.04	104.65 ± 3.03	2.90
	0.01	0.02	0.04	100.95 ± 2.78	2.76
16	0.19	0.12	0.31	95.85 ± 2.17	2.26
	0.16	0.16	0.31	95.64 ± 2.64	2.76
	0.13	0.19	0.31	95.03 ± 2.21	2.33
17	0.01	0.02	0.03	105.40 ± 0.99	0.93
	0.01	0.02	0.03	107.31 ± 0.15	0.14
	0.01	0.03	0.03	109.30 ± 0.52	0.47
18	0.03	0.02	0.05	104.16 ± 4.70	4.52
	0.03	0.03	0.05	105.74 ± 3.09	2.93
	0.02	0.03	0.05	105.15 ± 2.54	2.42

^aRecovery% = [(found amount−original amount)/spiked amount] × 100%. ^bRSD% = (SD/mean) × 100%.