Simultaneous Determination of Four Active Ingredients in Sargentodoxa cuneata by HPLC Coupled with Evaporative Light Scattering Detection

Table 2

Recoveries of spiked analytes.

Analytes	Original (mg)	Spiked (mg)	Found (mg)	Recovery (%)	Mean (%)	RSD (%)
3,4-Dihydroxyphenylethyl alcohol glycoside	1.297		1.875 ± 0.0078	100.59 ± 0.93
	1.302	1.040	1.905 ± 0.0049	103.71 ± 0.59	98.12	2.38
	1.296		1.898 ± 0.0191	103.45 ± 2.29
	1.299		2.078 ± 0.0035	99.84 ± 0.34
	1.292	1.300	2.049 ± 0.0198	97.63 ± 1.90	102.58	1.69
	1.294		2.017 ± 0.0071	94.40 ± 0.68
	1.310		2.336 ± 0.0057	100.35 ± 0.45
	1.320	1.560	2.337 ± 0.0057	101.15 ± 0.45	102.55	0.69
	1.297		2.308 ± 0.0184	104.26 ± 1.47
Salidroside	1.039		1.494 ± 0.0057	102.21 ± 0.97
	1.043	0.800	1.492 ± 0.0035	100.00 ± 1.41	103.62	0.94
	1.038		1.500 ± 0.0085	96.30 ± 0.71
	1.041		1.651 ± 0.0078	103.56 ± 0.88
	1.035	1.000	1.628 ± 0.0113	102.67 ± 0.55	99.50	3.00
	1.037		1.600 ± 0.0057	104.63 ± 1.33
	1.049		1.855 ± 0.0134	105.76 ± 1.40
	1.057	1.200	1.823 ± 0.0141	101.81 ± 1.47	104.64	2.35
	1.039		1.852 ± 0.0014	106.33 ± 0.15
Chlorogenic acid	1.348		1.985 ± 0.0212	104.93 ± 2.46
	1.354	1.080	1.997 ± 0.0198	105.76 ± 2.29	103.64	2.88
	1.347		1.944 ± 0.0078	100.22 ± 0.90
	1.351		2.179 ± 0.0021	101.64 ± 0.20
	1.343	1.350	2.133 ± 0.0064	97.97 ± 0.59	100.68	2.36
	1.346		2.183 ± 0.0057	102.43 ± 0.52
	1.362		2.469 ± 0.0099	106.44 ± 0.76
	1.373	1.620	2.438 ± 0.0163	103.33 ± 1.25	104.36	1.72
	1.348		2.418 ± 0.0233	103.33 ± 1.80
Liriodendrin	0.886		1.255 ± 0.0071	100.40 ± 1.30
	0.890	0.680	1.263 ± 0.0028	101.35 ± 0.52	101.61	1.34
	0.885		1.269 ± 0.0057	103.08 ± 1.04
	0.888		1.363 ± 0.0007	95.92 ± 0.10
	0.882	0.850	1.368 ± 0.0035	97.28 ± 0.52	96.39	0.80
	0.884		1.360 ± 0.0042	95.97 ± 0.62
	0.895		1.539 ± 0.0007	100.81 ± 0.09
	0.902	1.020	1.531 ± 0.0085	99.20 ± 1.04	99.23	1.57
	0.886		1.506 ± 0.0057	97.70 ± 0.69