IJERT-EMS
IJERT-EMS

High Intensity Pulsed Electric Field Procesiing of Foods - A Review


High Intensity Pulsed Electric Field Procesiing of Foods - A Review
Authors : SK. Gouse Masthan, V. Ravi Chandra, D. Naga Raju, K. Yashwanth Kumar , K. Murali Naik
Publication Date: 09-08-2017

Authors

Author(s):  SK. Gouse Masthan, V. Ravi Chandra, D. Naga Raju, K. Yashwanth Kumar , K. Murali Naik

Published in:   International Journal of Engineering Research & Technology

License:  This work is licensed under a Creative Commons Attribution 4.0 International License.

Website: www.ijert.org

Volume/Issue:   Volume. 6 - Issue. 08 , August - 2017

e-ISSN:   2278-0181

 DOI:  http://dx.doi.org/10.17577/IJERTV6IS080062

Abstract

Use of pulsed electric fields (PEFs) for inactivation of microorganisms is one of the more promising nonthermal processing methods. Inactivation of microorganisms exposed to high-voltage PEFs is related to the electromechanical instability of the cell membrane. Electric field strength and treatment time are the two most important factors involved in PEF processing. Encouraging results are reported at the laboratory level, but scaling up to the industrial level escalates the cost of the command charging power supply and of the high-speed electrical switch. In this paper, we critically review the results of earlier experimental studies on PEFs and we suggest the future work that is required in this field. Inactivation tests in viscous foods and in liquid food containing particulates must be conducted. A successful continuous PEF processing system for industrial applications has yet to be designed. The high initial cost of setting up the PEF processing system is the major obstacle confronting those who would encourage the system's industrial application. Innovative developments in high-voltage pulse technology will reduce the cost of pulse generation and will make PEF processing competitive with thermal-processing methods. Aim of the present paper is to summarize the numerical studies done so far on the PEF process.

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