Independent variable levels for temperature (X1), enzyme (X2), and time (X3), with tested values of the two response variables: % DH (Y1), and lipase inhibition (IC50; μg mL−1) (Y2)a.
Run | Space type | Coded levels | Independent variables | Response | |||||
---|---|---|---|---|---|---|---|---|---|
X 1 | X 2 | X 3 | X 1 | X 2 | X 3 | Y 1 | Y 2 | ||
1 | Factorial | −1 | −1 | −1 | 45.00 | 0.90 | 120.00 | 25.03 | 9.77 |
2 | Factorial | +1 | −1 | −1 | 55.00 | 0.90 | 120.00 | 30.10 | 14.33 |
3 | Factorial | −1 | +1 | −1 | 45.00 | 2.10 | 120.00 | 31.23 | 11.00 |
4 | Factorial | +1 | +1 | −1 | 55.00 | 2.10 | 120.00 | 33.91 | 6.30 |
5 | Factorial | −1 | −1 | +1 | 45.00 | 0.90 | 240.00 | 30.56 | 7.06 |
6 | Factorial | +1 | −1 | +1 | 55.00 | 0.90 | 240.00 | 31.74 | 14.69 |
7 | Factorial | −1 | +1 | +1 | 45.00 | 2.10 | 240.00 | 36.13 | 19.25 |
8 | Factorial | +1 | +1 | +1 | 55.00 | 2.10 | 240.00 | 36.47 | 19.68 |
9 | Axial | −1.68 | 0 | 0 | 41.59 | 1.50 | 180.00 | 29.34 | 15.92 |
10 | Axial | +1.68 | 0 | 0 | 58.41 | 1.50 | 180.00 | 34.64 | 18.01 |
11 | Axial | 0 | −1.68 | 0 | 50.00 | 0.50 | 180.00 | 27.83 | 9.19 |
12 | Axial | 0 | +1.68 | 0 | 50.00 | 2.50 | 180.00 | 39.79 | 12.50 |
13 | Axial | 0 | 0 | −1.68 | 50.00 | 1.50 | 79.09 | 30.15 | 7.31 |
14 | Axial | 0 | 0 | +1.68 | 50.00 | 1.50 | 280.91 | 34.93 | 12.98 |
15 | Center | 0 | 0 | 0 | 50.00 | 1.50 | 180.00 | 34.54 | 3.02 |
16 | Center | 0 | 0 | 0 | 50.00 | 1.50 | 180.00 | 35.24 | 3.83 |
17 | Center | 0 | 0 | 0 | 50.00 | 1.50 | 180.00 | 34.36 | 4.12 |
18 | Center | 0 | 0 | 0 | 50.00 | 1.50 | 180.00 | 34.51 | 3.46 |
19 | Center | 0 | 0 | 0 | 50.00 | 1.50 | 180.00 | 33.07 | 3.65 |
20 | Center | 0 | 0 | 0 | 50.00 | 1.50 | 180.00 | 34.89 | 3.89 |
All tests were performed in triplicate.