|
Analytes
|
Calibration curvesa
|
r
2
|
Linear range (μg/mL)
|
LOD (μg/mL)
|
LOQ (μg/mL)
|
|---|
|
Gallic acid
|
Y = 2.4 × 106X-8022.9
|
0.9999
|
148.0-1480.0
|
7.5
|
14.1
|
|
Protocatechuic acid
|
Y = 8.0 × 106X-36350
|
0.9994
|
38.4-384.0
|
8.6
|
19.2
|
|
Vanillic acid
|
Y = 2.6 × 106X-18490
|
0.9997
|
32.0-320.0
|
5.0
|
10.0
|
|
Caffeic acid
|
Y = 3.5 × 106X-25506
|
1.0000
|
35.6-356.0
|
6.5
|
13.6
|
|
Paeoniflorin
|
Y = 1.1 × 106X + 160000
|
0.9990
|
476.0-4760.0
|
24.8
|
59.6
|
|
Ferulic acid
|
Y = 1.1 × 107X-1.2 × 105
|
0.9997
|
136.0-1360.0
|
6.2
|
12.4
|
|
Senkyunolide I
|
Y = 6.5 × 106X-9533.5
|
0.9999
|
46.0-460.0
|
6.3
|
12.6
|
- a y is the logarithmic value of peak area and x is the logarithmic value of the reference compound’s concentration (μg/ml).
