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The simultaneous use of UV-C radiation at 640 or 900 µWcm -2 and ultrasonic energy of 13.78 W/L at 40 kHz was applied on tomatoes to study its ability to disinfect tomatoes from microbes. Total aerobic bacteria and yeast and mold population decreased with increase of UV-C dosage application from 0.72-10.76 kJ/m 2 at constant ultrasonic energy supply. At simultaneous treatment dosage of 6.46 kJ/m 2 , total aerobic bacteria were significantly (p<0.001) reduced by 2 log reductions. Yeast and molddoi:10.18178/joaat.5.3.209-214 fatcat:qczraplgonfebngm4ahmbdovb4