Term | Estimated parameters | P-value |
---|---|---|
Alkaline concentration | 2.285 | 0.3541 |
Steaming time | − 3.113 | 0.0003 |
Steaming temperature | − 3.286 | < 0.0001 |
Alkaline concentration × steaming time | 0.032 | 0.0648 |
Alkaline concentration × steaming temperature | − 0.020 | 0.1079 |
Steaming time × steaming temperature | 0.028 | 0.0001 |
Alkaline concentration × alkaline concentration | − 0.043 | 0.1573 |
Steaming time × steaming time | 0.006 | 0.2531 |
Steaming temperature × steaming temperature | 0.016 | < 0.0001 |