Table 5 Regression coefficients of selected responses representing technological properties of a perilla-canola oil (o/w) emulsion according to central composite design
| Model term | Storage modulus (G’) | Cooking loss | Hardness |
| Coefficient | p value | Coefficient | p-value | Coefficient | p-value |
| Constant | 1.36 | 0.47 | 6.66 | <0.001 | 1.56 | <0.001 |
| Linear effect |
| SPI | 0.94 | 0.46 | –0.22 | 0.03 | 0.07 | 0.17 |
| CR | 0.56 | 0.65 | –0.12 | 0.21 | 0.14 | <0.01 |
| IN | 2.49 | 0.07 | –0.03 | 0.72 | 0.16 | <0.01 |
| Quadratic effect |
| SPI | –1.22 | 0.32 | –0.29 | <0.01 | 0.19 | <0.01 |
| CR | 4.30 | <0.01 | –0.07 | 0.47 | –0.09 | 0.07 |
| IN | 0.48 | 0.69 | –0.23 | 0.03 | 0.15 | <0.01 |
| Interaction effect |
| SPI.CR | 0.41 | 0.80 | 0.43 | <0.01 | –0.01 | 0.81 |
| SPI.IN | 1.27 | 0.44 | –0.34 | 0.02 | 0.06 | 0.31 |
| CR.IN | –0.16 | 0.92 | –0.40 | <0.01 | 0.12 | 0.07 |
SPI: soy protein isolate; CR: carrageenan; IN: inulin.