Studies on Pulsed Electric Field applications for food sterilization

The present investigation studies the effects of application of repetitive micro-second duration high-voltage double-exponential shaped pulses on water samples containing E. Coli. A high-voltage repetitive pulse generator has been developed to apply these pulses. The design of chamber, operational p...

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Bibliographic Details
Published in2007 International Conference on Industrial and Information Systems pp. 497 - 502
Main Authors Kishore, N. K., Emani, Sriram Sarma, Maiti, T. K., Bisht, Gobind Singh
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.08.2007
Subjects
Biochemistry
Biomembranes
Cells (biology)
Data mining
Dielectric breakdown
Electroporation
Food industry
Food Processing
Food Sterilization
Information systems
Microorganisms
Petroleum
Pulsed Electric Field
Temperature
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Summary:The present investigation studies the effects of application of repetitive micro-second duration high-voltage double-exponential shaped pulses on water samples containing E. Coli. A high-voltage repetitive pulse generator has been developed to apply these pulses. The design of chamber, operational parameters, and their optimization for the process, the wave-shaping circuitry and the switching circuitry is given utmost importance. It is suggested that repetitive pulse application of the order of about 25-kV/cm electric field intensity be employed for the purpose. Pulsed electric field processing is nonthermal energy efficient alternative to thermal pasteurization techniques. It is applicable in many liquid food processing industries like drinking water segment, beer & beverages, fruit juices and milk.
ISBN:1424411513
9781424411511
ISSN:2164-7011
2690-3423
DOI:10.1109/ICIINFS.2007.4579228