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Predicted values of response variables at a given conditiona within the range of optimum extraction conditions
| Response variables | Predicted values | Experimental values |
|---|---|---|
| Total polyphenol content (mg GAE/g) | 4.58 | 4.52 |
| Total anthocyanin content (mg C3GE/100 g) | 42.28 | 43.02 |
| Extraction yield (%) | 5.76 | 5.87 |
aGiven conditions: 40 °C extraction temperature, 8 h extraction time, 33 % in solid-liquid ratio, and 1:15 in solvent volume in conditions
