Table 1.
Regression data, LODs, LOQs, and recovery for studied compounds.
| Phenolic Acid | Regression Equation | R2 | Linear Range (μg/mL) | LOD (μg/mL) | LOQ (μg/mL) | Recovery (%) |
|---|---|---|---|---|---|---|
| gallic | y = 88,398x − 53,935 | 0.9999 | 5–40 | 0.45 | 1.34 | 71.74 ± 0.02 |
| protocatechuic | y = 104,765x − 45,841 | 0.9999 | 5–40 | 0.25 | 0.75 | 90.03 ± 0.05 |
| chlorogenic | y = 79,806x − 60,132 | 0.9998 | 5–40 | 0.74 | 2.22 | 83.63 ± 0.01 |
| 4-hydroxybenzoic | y = 184,507x − 6297 | 0.9994 | 5–40 | 0.75 | 2.24 | 90.61 ± 0.07 |
| caffeic | y = 145,745x − 104,383 | 0.9995 | 5–40 | 0.63 | 1.89 | 84.42 ± 0.05 |
| isovanilic | y = 112,849x − 67,266 | 0.9999 | 5–40 | 0.25 | 0.76 | 90.39 ± 0.06 |