Table 2.
Central composite design and responses on dependent variables for manufacturing of the capsule typefish roe analogs
| Run order | Coded levels
| Response
|
| X1 | X2 | X3 | X4 | Y |
|
| Factorial portion | | | | | |
| 1 | -1 | -1 | -1 | -1 | 97.3 |
| 2 | 1 | -1 | -1 | -1 | 97.8 |
| 3 | -1 | 1 | -1 | -1 | 98.6 |
| 4 | 1 | 1 | -1 | -1 | 98.0 |
| 5 | -1 | -1 | -1 | -1 | 97.6 |
| 6 | 1 | -1 | 1 | -1 | 95.7 |
| 7 | -1 | 1 | 1 | -1 | 98.4 |
| 8 | 1 | 1 | 1 | -1 | 96.8 |
| 9 | -1 | -1 | -1 | 1 | 98.5 |
| 10 | 1 | -1 | -1 | 1 | 96.9 |
| 11 | -1 | 1 | -1 | 1 | 98.7 |
| 12 | 1 | 1 | -1 | 1 | 97.7 |
| 13 | -1 | -1 | 1 | 1 | 97.9 |
| 14 | 1 | -1 | 1 | 1 | 96.0 |
| 15 | -1 | 1 | 1 | 1 | 98.8 |
| 16 | 1 | 1 | 1 | 1 | 98.1 |
| Axial portion | | | | | |
| 17 | -2 | 0 | 0 | 0 | 98.3 |
| 18 | 2 | 0 | 0 | 0 | 96.1 |
| 19 | 0 | -2 | 0 | 0 | 98.2 |
| 20 | 0 | 2 | 0 | 0 | 98.9 |
| 21 | 0 | 0 | -2 | 0 | 98.2 |
| 22 | 0 | 0 | 2 | 0 | 96.0 |
| 23 | 0 | 0 | 0 | -2 | 98.2 |
| 24 | 0 | 0 | 0 | 2 | 98.7 |
| Center portion | | | | | |
| 25 | 0 | 0 | 0 | 0 | 99.3 |
| 26 | 0 | 0 | 0 | 0 | 99.2 |
| 27 | 0 | 0 | 0 | 0 | 99.1 |
Y, sphericitiy (%); X1, sodium alginate concentration (%,w/v); X2, calcium chloride concentration (%, w/v); X3, agitation speed of calcium chloride solution (rpm); X4, dropping height (cm).