|
Marker
|
Concentrations (μg/ml)
|
Concentration measured (μg/ml, mean (SD))
|
Recoverya (%)
|
RSD b (%)
|
|---|
|
Naringin
|
5.0
|
4.87 (0.09)
|
97.4
|
1.8
|
|
50.0
|
50.28 (1.26)
|
100.6
|
2.5
|
|
150.0
|
148.95 (1.81)
|
99.3
|
1.2
|
|
Hesperidin
|
13.9
|
13. 79 (0.38)
|
99.2
|
2.8
|
|
139.0
|
142.42 (2.26)
|
102.5
|
1.6
|
|
417.0
|
419.84 (3.32)
|
100.7
|
0.7
|
|
Aloe emodin
|
3.66
|
3.76 (0.11)
|
102.7
|
2.9
|
|
36.6
|
36.17 (1.15)
|
98.8
|
3.2
|
|
109.8
|
111.73 (3.29)
|
101.8
|
2.9
|
|
Rhein
|
3.5
|
3.41 (0.09)
|
97.4
|
2.6
|
|
35.0
|
33.47 (0.96)
|
95.6
|
2.9
|
|
105.0
|
107.68 (1.41)
|
102.6
|
1.3
|
|
Honokial
|
2.1
|
2.15 (0.07)
|
97.6
|
3.3
|
|
10.5
|
10.18 (0.23)
|
97.0
|
2.3
|
|
60.3
|
61.24 (1.32)
|
101.6
|
2.2
|
|
Magnolo
|
l 4.2
|
4.16 (0.11)
|
99.0
|
2.6
|
|
42.0
|
43.42 (1.24)
|
103.4
|
2.9
|
|
126.0
|
126.61 (1.86)
|
100.5
|
1.5
|
|
Emodin
|
2.2
|
2.24 (0.05)
|
101.8
|
2.2
|
|
22.0
|
21.54 (0.53)
|
97.9
|
2.5
|
|
66.0
|
67.28 (1.23)
|
101.9
|
1.8
|
|
Chrysophanol
|
2.06
|
2.11 (0.06)
|
102.4
|
2.8
|
|
20.6
|
20.15 (0.21)
|
97.8
|
1.0
|
|
61.8
|
63.42 (1.26)
|
102.6
|
2.0
|
- a Recovery (%) = mean of measured concentration/added concentration × 100
- b RSD (%) =(SD/mean) × 100
