Table 2.
Range, regression equation, R2, RSD Intradie and Interdie, limits of detection (LOD), and limits of quantification (LOQ) of standard compounds from high performance liquid chromatography-diode array detector (HPLC-DAD) analysis.
| Standard | Range | Regression Equation | R2 | RSD * Intra-Day |
RSD * Inter-Day |
LOD | LOQ | |
|---|---|---|---|---|---|---|---|---|
| Slope | Intercept | |||||||
| μg/mL | % | % | μg/mL | μg/mL | ||||
| Tyrosol | 7.31–29.24 | 1.88E + 06 | −9.18E + 05 | 0.9993 | 1.12 | 4.98 | 1.51 | 4.82 |
| Kaempferol-3-O-Glu a | 14.80–59.00 | 6.06E + 06 | 7.29E + 06 | 0.9998 | 1.13 | 3.57 | 0.71 | 2.10 |
| Chlorogenic acid | 1.50–117.20 | 3.38E + 06 | −5.20E + 05 | 0.9996 | 0.98 | 3.71 | 0.68 | 2.17 |
| p-Coumaric acid | 1.78–7.10 | 1.89E + 07 | 1.58E + 06 | 0.9999 | 0.79 | 4.80 | 0.06 | 0.19 |
| Ferulic acid | 1.86–7.45 | 1.68E + 07 | 1.20E + 06 | 0.9997 | 1.72 | 4.55 | 0.64 | 2.05 |
| Rutin | 11.10–44.30 | 5.51E + 06 | −1.24E + 06 | 0.9997 | 1.32 | 4.13 | 1.68 | 5.34 |
* Relative standard deviation (RSD) (n = 4); a kaempferol-3-O-glucoside.