Table 5.
Standard analytes used for elaborating the calibration curves with the range used, equations, R2, LOD, and LOQ of each compound.
| Standards | Calibration Ranges (µg/mL) | Calibration Curves (µg/mL) | R 2 | LOD (µg/mL) | LOQ (µg/mL) |
|---|---|---|---|---|---|
| Vanillic acid | 3.7–236.67 | y = 21.069x + 197.15 | 0.9979 | 0.47 | 1.57 |
| Chlorogenic acid | 3.85–246.67 | y = 58.665x − 289.54 | 0.9984 | 0.17 | 0.56 |
| Ferulic acid | 3.54–226.67 | y = 37.071x + 155.61 | 0.9983 | 0.27 | 0.89 |
| Quercetin | 3.54–226.67 | y = 154.26x + 1309.1 | 0.9988 | 0.06 | 0.21 |
| Rutin | 3.44–220 | y = 239.6x + 690.3 | 0.9954 | 0.04 | 0.14 |