Table 3. Effect of temperature, solute/solvent ratio, and amplitude on response variables during the extraction process.
| Total phenolic content (mg GAE/g) | Total flavonoid content (mg QE/g) | OH−IC50 (mg/mL) | DPPH•IC50 (µg/mL) | ABTS•+IC50 (µg/mL) | |
|---|---|---|---|---|---|
| Temperature | |||||
| 30 °C | 32.86C | 23.28C | 3.32A | 425.95A | 42.58A |
| 50 °C | 60.37B | 71.05A | 1.65C | 130.65B | 22.59C |
| 75 °C | 68.99A | 61.01B | 1.98B | 107.95B | 24.46B |
| Solute/solvent Ratio | |||||
| 1/5 | 50.22B | 44.01C | 2.43B | 175.85B | 38.40A |
| 1/10 | 58.61A | 47.22B | 1.75C | 163.78B | 24.80C |
| 1/15 | 53.37B | 64.12A | 2.79A | 324.93A | 26.43B |
| Amplitude | |||||
| 20 | 48.28C | 48.23B | 3.25A | 362.17A | 38.23A |
| 25 | 60.29A | 47.31B | 1.69C | 151.36B | 25.44B |
| 35 | 53.64B | 59.80A | 2.01B | 151.02B | 25.97B |
Notes.
Different letters in the same column for each parameter (temperature, solute/solvent ratio, and amplitude) indicate significant differences between treatments (p < 0.05).