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.