Development of a Hepatoprotective Herbal Drug from Turnera diffusa

Figure 3

Coefficient plots of the responses obtained with the experimental design used to optimize the extraction, obtained by means of MLR. (a) Effect of the variables on recoveries. (b) Effect of the variables on hepatodamianol content. Variables under evaluation: solvent volume, time, speed, and the number of extractions.

(a)

(b)