Table 1 The coded levels of sucrose and reconstituted skim milk for central composite experimental design
| Factors [% (g/100 mL)] | Coded levels | ||||
|---|---|---|---|---|---|
| − alpha | Low | Center | High | + alpha | |
| Sucrose (S) | − 1.24264 | 0 | 3 | 6 | 7.24264 |
| Reconstituted skim milk (SM) | − 1.24264 | 0 | 3 | 6 | 7.24264 |