For this study, the maximum economy evaluation was conventional method at 8.66 Baht and the minimum economy evaluation wass ohmic extraction at electrical field strengths 200 V/cm at 1.66 Baht. Ohmic extraction increased percent of solid in extraction process by compare with the conventional extraction from 0.3071% to 0.5787-1.9759%. Pre-extraction by using ultrasound-assisted increased percent of solid from 0.5787% to 2.2435%. Each treatment, percent yield was varying significantly that shown in figure 3.