Table 3 ANOVA of the regression model for responses
Source | Oven cooked nuggets | Steam cooked nuggets | Microwave cooked nuggets |
OAA | Firmness | Toughness | OAA | Firmness | Toughness | OAA | Firmness | Toughness |
β0 | 6.636 | 12.532 | 75.522 | 7.266 | 10.824 | 70.158 | 6.566 | 9.414 | 64.246 |
β1 | 0.25*** | –0.086 ns | –2.064 ns | 0.208*** | –0.581** | –5.174** | 0.208*** | –0.398*** | –5.29*** |
β2 | 0.186*** | –0.219 ns | –5.025*** | 0.229*** | –0.546** | –3.804* | 0.124** | –0.216** | –0.724 ns |
β3 | –0.604*** | 1.79*** | 6.961*** | –0.539*** | 2*** | 13.645 *** | –0.624*** | 1.561*** | 9.131*** |
β12 | 0.128** | –0.008 ns | 0.55 ns | –0.063 ns | 0.653** | 0.633 ns | –0.085 ns | 0.083 ns | –4.418** |
β13 | –0.043 ns | 0.05 ns | –0.073 ns | 0.063 ns | –0.105 ns | –1.285 ns | 0.000 ns | –0.043 ns | 3.278** |
β23 | 0.165** | –0.14 ns | –4.86** | 0.105 ns | 0.035 ns | –0.64 ns | –0.003 ns | –0.245** | –2.185 ns |
β11 | –0.026 ns | –0.627** | –1.987 ns | –0.143** | –0.581** | 0.160 ns | –0.034 ns | –0.447*** | 2.577* |
β22 | –0.068 ns | –0.032 ns | 4.425** | –0.101 ns | –0.336 ns | 1.945 ns | –0.032 ns | 0.041 ns | 2.995* |
β33 | 0.097* | –0.830** | 2.238 ns | –0.186** | –0.263 ns | –1.918 ns | –0.032 ns | 0.906*** | 6.955*** |
r2 | 0.982 | 0.941 | 0.909 | 0.974 | 0.963 | 0.900 | 0.966 | 0.992 | 0.964 |
Adjusted r2 | 0.959 | 0.866 | 0.792 | 0.940 | 0.916 | 0.771 | 0.922 | 0.981 | 0.917 |
Adeq. precision | 24.483 | 11.596 | 12.138 | 17.304 | 14.404 | 9.022 | 15.980 | 32.647 | 14.702 |
Model F-value | 42.97 | 12.499 | 7.78 | 28.77 | 20.43 | 6.982 | 21.88 | 90.87 | 20.63 |
Lack of fit F-value | 2.77 | 1.429 | 4.76 | 2.73 | 1.19 | 1.016 | 0.64 | 3.74 | 4.03 |
* p<0.1,
** p<0.05,
*** p<0.01.
ns, non significant; OAA, overall acceptability.