|
Compound
|
Linear range (μg/mL)
|
Regression equationa
|
Correlation coefficient (r
2)
|
LODb (ng/mL)
|
LOQc (ng/mL)
|
|---|
|
Gallic acid
|
1.56–100.00
|
y = 41971.92× + 834.16
|
1.0000
|
45.36
|
137.44
|
|
Albiflorin
|
1.56–100.00
|
y = 11838.31× + 1993.39
|
0.9999
|
197.61
|
598.81
|
|
Paeoniflorin
|
1.56–100.00
|
y = 14000.91× - 3078.78
|
1.0000
|
167.08
|
506.32
|
|
Liquiritin apioside
|
1.56–100.00
|
y = 16282.26× + 2703.99
|
0.9999
|
107.59
|
326.03
|
|
Liquiritin
|
1.56–100.00
|
y = 18152.25× + 2757.62
|
0.9999
|
96.51
|
292.45
|
|
Benzoic acid
|
1.56–100.00
|
y = 45334.92× + 22784.19
|
0.9997
|
51.60
|
156.37
|
|
Coumarin
|
1.56–100.00
|
y = 49833.92× + 8656.87
|
0.9999
|
35.15
|
106.53
|
|
Benzoylpaeoniflorin
|
0.31–20.00
|
y = 28757.81× + 814.63
|
0.9999
|
81.35
|
246.50
|
|
Cinnamic acid
|
0.31–20.00
|
y = 61499.33× + 3384.72
|
1.0000
|
28.49
|
86.32
|
|
Cinnamaldehyde
|
1.56–100.00
|
y = 131035.51× + 59890.08
|
0.9997
|
9.15
|
27.73
|
|
Glycyrrhizin
|
1.56–100.00
|
y = 8787.34× + 4482.00
|
1.0000
|
40.39
|
122.40
|
|
6-Gingerol
|
0.31–20.00
|
y = 5693.60× + 109.67
|
1.0000
|
258.61
|
783.66
|
-
a
y: peak area (mAU) of compounds; ×: concentration (μg/mL) of compounds
-
bLOD = 3.3 × SD / S. (SD is the standard deviation of the blanks and S is the slope of the calibration curve)
-
cLOQ = 10 × SD / S
