Table 2.
Second order polynomial equations relating response variables to test variables for apricot pomace. T is the temperature and EC is the ethanol concentration. R2, the coefficients of regression, are shown for each equation.
| Regression equations |
|---|
| TPC = 1.05235 + 0.175454EC + 0.0757036T − 0.000922654EC2 − 0.000711745ECT − 0.000183165T2 (R2 = 97.88%) |
| FC = 0.903618 + 0.10434EC + 0.0485053T − 0.00072002EC2 + 0.000269516ECT + 0.0000189965∗T2 (R2 = 95.28%) |
| TC = 0.356553 + 0.0598738EC − 0.00786006∗T − 0.000465EC2 + 0.000385754ECT + 0.000283606T2 (R2 = 98.55%) |
| AA = −3.45552 + 1.07978EC + 0.544727T − 0.010899EC2 − 0.00336666ECT − 0.00169337T2 (R2 = 94.49%) |