Figure 2

2D response contour map (left hand) and 3D surface (right hand) of DES assisted extraction. (a) Time–temperature, (b) Time-ratio and (c) Temperature-ratio interactions.

2D response contour map (left hand) and 3D surface (right hand) of DES assisted extraction. (a) Time–temperature, (b) Time-ratio and (c) Temperature-ratio interactions.