Factors | Levels | ||||
---|---|---|---|---|---|
High (-1) | Medium (0) | Low (+1) | |||
Methanol concentration (%) | 60 | 80 | 100 | ||
Temperature (°C) | 25 | 55 | 85 | ||
Final equation in coded factors for response variables (Y) | |||||
Luteolin | TPC | TFC | ABTS | DPPH | |
β0 | +149.87 | +1,249.52 | +879.01 | +45.30 | +63.20 |
A | +34.80 | +420.10 | +418.60 | +19.29 | +18.12 |
B | +6.41 | -69.80 | -158.03 | -5.53 | -5.18 |
AB | +0.2517 | -35.53 | -66.07 | -4.08 | -2.94 |
A2 | -4.65 | +43.10 | +240.85 | +7.10 | +0.4602 |
B2 | -36.47 | -224.75 | -279.69 | -9.83 | -12.89 |