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Calibration curves of three analytes using HPLC-DAD
| No. | Components | Linear range (μg/mL) | Regression Equation a) | Correlation coefficient (R2) b) |
|---|---|---|---|---|
| 1 | Chlorogenic acid | 25.00–400.00 | y = 0.2428x + 1.9062 | 0.9997 |
| 2 | 3,5-Di-caffeoylquinic acid | 25.00–400.00 | y = 0.2843x - 1.6878 | 0.9999 |
| 3 | Luteolin | 1.25–20.00 | y = 0.3257x + 0.0543 | 0.9999 |
a) y: peak area, x: concentration (μg/mL)
b) Regression coefficient (n = 3)
