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Validation of optimum conditions with predicted and experimental values of gallic acid.
| Optimum conditions | Extraction yield | ||||
|---|---|---|---|---|---|
| pH | Solid‐to‐liquid ratio (mL/g) | Extraction temperature (°C) | Extraction time (min) | Experimental (mg/g) | Predicted (mg/g) |
| 3.9 | 36.25 | 39.40 | 21.3 | 5.76 ± 0.41 | 5.78 ± 0.21 |
