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Erschienen in:
2016 | OriginalPaper | Buchkapitel
Fundamental and Applied Aspects of Pulsed Electric Fields for Microbial Inactivation
verfasst von : J. Raso
Erschienen in: 1st World Congress on Electroporation and Pulsed Electric Fields in Biology, Medicine and Food & Environmental Technologies
Verlag: Springer Singapore
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Pulsed electric field (PEF) is a technology that causes electroporation of the cell membranes by application of intermittent electric fields of high intensity for short periods of time (
μ
s). The local defects or pores created by the application of an external electric field may lead to the loss of the membrane integrity and uncontrolled molecular transport across microbial membranes. These events may abolish the microbial capacity to maintain the microbial homeostasis causing microbial inactivation at temperatures below those used in thermal processing. Based in this phenomenon PEF provides an excellent alternative to conventional thermal pasteurization of heat sensitive foods.