Table 3.
Box-Behnken design and resultant responses.
| Run | A: Power (W) | B: Concentration (%) | C: Temperature (℃) | D: Time (h) | Y: Yield（mg/g) |
|---|---|---|---|---|---|
| 1 | −1 | −1 | 0 | 0 | 128.95 |
| 2 | 1 | −1 | 0 | 0 | 131.12 |
| 3 | −1 | 1 | 0 | 0 | 114.12 |
| 4 | 1 | 1 | 0 | 0 | 117.95 |
| 5 | 0 | 0 | −1 | −1 | 128.62 |
| 6 | 0 | 0 | 1 | −1 | 116.78 |
| 7 | 0 | 0 | −1 | 1 | 133.78 |
| 8 | 0 | 0 | 1 | 1 | 123.62 |
| 9 | −1 | 0 | 0 | −1 | 120.12 |
| 10 | 1 | 0 | 0 | −1 | 120.62 |
| 11 | −1 | 0 | 0 | 1 | 125.62 |
| 12 | 1 | 0 | 0 | 1 | 130.45 |
| 13 | 0 | −1 | −1 | 0 | 138.12 |
| 14 | 0 | 1 | −1 | 0 | 128.95 |
| 15 | 0 | −1 | 1 | 0 | 129.12 |
| 16 | 0 | 1 | 1 | 0 | 118.45 |
| 17 | −1 | 0 | −1 | 0 | 125.12 |
| 18 | 1 | 0 | −1 | 0 | 139.78 |
| 19 | −1 | 0 | 1 | 0 | 124.45 |
| 20 | 1 | 0 | 1 | 0 | 127.12 |
| 21 | 0 | −1 | 0 | −1 | 129.12 |
| 22 | 0 | 1 | 0 | −1 | 115.95 |
| 23 | 0 | −1 | 0 | 1 | 134.62 |
| 24 | 0 | 1 | 0 | 1 | 120.28 |
| 25 | 0 | 0 | 0 | 0 | 135.28 |
| 26 | 0 | 0 | 0 | 0 | 133.95 |
| 27 | 0 | 0 | 0 | 0 | 135.95 |
| 28 | 0 | 0 | 0 | 0 | 137.45 |
| 29 | 0 | 0 | 0 | 0 | 137.95 |