Research Article

Multicomponent Analysis of Liuwei Dihuang Pills by a Single Marker Quantification Method and Chemometric Discrimination of Fingerprints

Table 2

Results of recovery test.

ComponentContent (mg)Added (mg)Determined (mg)Recovery (%)Average recovery (%) (n = 9)RSD (%) (n = 9)

Gallic acid2.3761.8474.267102.4102.20.51
2.3711.8474.246101.5
2.3701.8474.245101.5
2.3712.3094.731102.3
2.3692.3094.721101.9
2.3762.3094.738102.3
2.3812.7715.238103.1
2.3652.7715.209102.7
2.3722.7715.207102.3

5-HMF1.7521.4253.228103.6100.91.3
1.7481.4253.203102.1
1.7471.4253.192101.4
1.7481.7813.543100.8
1.7471.7813.52599.9
1.7521.7813.52299.4
1.7562.1373.895100.1
1.7442.1373.890100.4
1.7492.1373.894100.4

Morroniside2.1851.8014.041103.1101.60.91
2.1801.8014.017102.0
2.1791.8014.016102.0
2.1802.2514.475101.9
2.1782.2514.443100.6
2.1852.2514.43399.8
2.1902.7014.927101.3
2.1752.7014.929102.0
2.1822.7014.926101.6

Sweroside0.2400.1660.40397.999.11.2
0.2390.1660.40398.3
0.2390.1660.40498.8
0.2390.2080.44598.9
0.2390.2080.44398.2
0.2400.2080.44498.3
0.2400.2500.48798.9
0.2390.2500.491101.2
0.2390.2500.491100.9

Loganin1.7841.5623.351100.3101.91.5
1.7801.5623.347100.4
1.7791.5623.344100.2
1.7801.9523.753101.1
1.7781.9523.772102.1
1.7841.9523.780102.2
1.7882.3434.210103.4
1.7762.3434.211104.0
1.7812.3434.207103.6

Paeoniflorin0.7360.5491.28099.1100.81.7
0.7340.5491.27498.3
0.7340.5491.283100.0
0.7340.6861.423100.4
0.7340.6861.424100.6
0.7360.6861.423100.1
0.7380.8241.583102.7
0.7330.8241.584103.4
0.7350.8241.577102.2

Cornuside0.1970.1210.319100.6100.00.67
0.1970.1210.318100.0
0.1970.1210.317100.0
0.1970.1510.349100.8
0.1960.1510.348100.1
0.1970.1510.34698.4
0.1970.1810.379100.0
0.1960.1810.378100.4
0.1970.1810.37899.9

Paeonol2.9522.1545.141101.6102.10.82
2.9462.1545.155102.6
2.9452.1545.175103.5
2.9462.6925.703102.4
2.9442.6925.718103.1
2.9532.6925.678101.2
2.9593.2306.228101.2
2.9393.2306.231101.9
2.9483.2306.226101.5

5-HMF: 5-hydroxymethylfurfural.