Application of Pulsed Power Technology in Nonthermal Food Processing and System Optimization
OHIO STATE UNIV COLUMBUS
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A pilot plant scale pulsed electric field PEF continuous processing system was integrated with an aseptic packaging machine to test and demonstrate the efficacy of PEF technology as a non-thermal food processing method. Major components includes a 40,000 V17 MWsub-p high voltage pulse generator and a set of multiple stages co-field PEF treatment chambers. Fluid foods could be processed at 50 - 150 I..At flow rate and packed aseptically into 200 ml plastic cup containers. System design was discussed and the microbial inactivation effect of this integrated PEF system was validated by microbially-enhanced orange juice MEOJ tests. The studies on PEF treated, aseptically packaged fresh orange juice indicated that this technology has the potential to extend the product shelf life.
- Food, Food Service and Nutrition
- Electricity and Magnetism