Table 5 Predicted values for optimum condition of maximized responses to variables by ridge analysis of their response surface

Responses Extraction condition
X1 X2 X3 Estimated responses Morphlogy
Yield (g) 90 51.82 7 8.11 Maximum
WAI 101 60 17 0.58 Saddle point
Total phenolic compounds (μg/mL) 90 43.33 17 298.02 Maximum