Controlling pathogens in milk with pulsed electric fields (PEF)

25 June 2015

Microbial density control is a major challenge for food preservation especially in the low-income countries. Researchers at Tel Aviv University in Israel studied non-thermal, chemical-free microbial cell density control by intermittently delivered pulsed electric fields (IDPEF).
They show that IDPEF allows for precise control of L. monocytogenes density in contaminated milk. The energy required for IDPEF storage of milk in the low-income countries could be generated by a small-scale 2kW solar energy system operating 5.5 hours per day in combination with a small-scale energy storage system. An article about the research is published on www.worldscientific.com.
Click here for the article (519 kB).

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