Table 1.
FFD experimental matrix of ultrasonic-assisted extraction of sugars from Alig and Kentichi date varieties.
| Runs | X1 | X2 | X3 | Y (Alig) | Y (Kentichi) |
|---|---|---|---|---|---|
| 1 | 75 (+1) | 20 (−1) | 10 (+1) | 533 | 519.69 |
| 2 | 40(−1) | 60 (+1) | 10 (+1) | 512 | 521.22 |
| 3 | 75 (+1) | 60 (+1) | 6 (−1) | 478 | 500.1 |
| 4 | 75 (+1) | 20 (−1) | 6 (−1) | 521 | 490 |
| 5 | 40 (−1) | 20 (−1) | 6 (−1) | 519 | 511.2 |
| 6 | 40 (−1) | 20 (−1) | 10 (+1) | 540 | 539.14 |
| 7 | 40 (−1) | 60 (+1) | 6 (−1) | 521 | 500 |
| 8 | 75 (+1) | 60 (+1) | 10 (+1) | 475 | 524.28 |
X1: temperature (°C), X2: time (min), X3: L/S ratio (mL/g), Y: glucose (mg/g of DP).