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Zare F, Ghasemi N, Bansal N, Hosano H. Advances in pulsed electric stimuli as a physical method for treating liquid foods. Phys Life Rev 2023; 44:207-266. [PMID: 36791571 DOI: 10.1016/j.plrev.2023.01.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Accepted: 01/28/2023] [Indexed: 02/05/2023]
Abstract
There is a need for alternative technologies that can deliver safe and nutritious foods at lower costs as compared to conventional processes. Pulsed electric field (PEF) technology has been utilised for a plethora of different applications in the life and physical sciences, such as gene/drug delivery in medicine and extraction of bioactive compounds in food science and technology. PEF technology for treating liquid foods involves engineering principles to develop the equipment, and quantitative biochemistry and microbiology techniques to validate the process. There are numerous challenges to address for its application in liquid foods such as the 5-log pathogen reduction target in food safety, maintaining the food quality, and scale up of this physical approach for industrial integration. Here, we present the engineering principles associated with pulsed electric fields, related inactivation models of microorganisms, electroporation and electropermeabilization theory, to increase the quality and safety of liquid foods; including water, milk, beer, wine, fruit juices, cider, and liquid eggs. Ultimately, we discuss the outlook of the field and emphasise research gaps.
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Affiliation(s)
- Farzan Zare
- School of Information Technology and Electrical Engineering, The University of Queensland, Brisbane, St Lucia QLD 4072, Australia; School of Agriculture and Food Sciences, The University of Queensland, St Lucia QLD 4072, Australia
| | - Negareh Ghasemi
- School of Information Technology and Electrical Engineering, The University of Queensland, Brisbane, St Lucia QLD 4072, Australia
| | - Nidhi Bansal
- School of Agriculture and Food Sciences, The University of Queensland, St Lucia QLD 4072, Australia
| | - Hamid Hosano
- Biomaterials and Bioelectrics Department, Institute of Industrial Nanomaterials, Kumamoto University, Kumamoto 860-8555, Japan.
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Gentès M, Caron A, Champagne CP. Potential applications of pulsed electric field in cheesemaking. INT J DAIRY TECHNOL 2022. [DOI: 10.1111/1471-0307.12854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Marie‐Claude Gentès
- Saint‐Hyacinthe Development and Research Centre Agriculture and Agri‐Food Canada 3600 Casavant Boulevard West Saint‐Hyacinthe Quebec J2S 8E3 Canada
| | - Annie Caron
- Saint‐Hyacinthe Development and Research Centre Agriculture and Agri‐Food Canada 3600 Casavant Boulevard West Saint‐Hyacinthe Quebec J2S 8E3 Canada
| | - Claude P Champagne
- Saint‐Hyacinthe Development and Research Centre Agriculture and Agri‐Food Canada 3600 Casavant Boulevard West Saint‐Hyacinthe Quebec J2S 8E3 Canada
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SHIRAI AKIHIRO, YASUTOMO YUKO, KANNO YUKA. Effects of Violet-Blue Light-Emitting Diode on Controlling Bacterial Contamination in Boiled Young Sardine. Biocontrol Sci 2022; 27:9-19. [DOI: 10.4265/bio.27.9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Affiliation(s)
- AKIHIRO SHIRAI
- Department of Bioscience and Bioindustry, Graduate School of Technology, Industrial and Social Sciences, Tokushima University
| | - YU-KO YASUTOMO
- Department of Bioscience and Bioindustry, Graduate School of Technology, Industrial and Social Sciences, Tokushima University
| | - YUKA KANNO
- Department of Bioscience and Bioindustry, Graduate School of Technology, Industrial and Social Sciences, Tokushima University
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Schottroff F, Kastenhofer J, Spadiut O, Jaeger H, Wurm DJ. Selective Release of Recombinant Periplasmic Protein From E. coli Using Continuous Pulsed Electric Field Treatment. Front Bioeng Biotechnol 2021; 8:586833. [PMID: 33634078 PMCID: PMC7900513 DOI: 10.3389/fbioe.2020.586833] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Accepted: 12/29/2020] [Indexed: 11/13/2022] Open
Abstract
To date, high-pressure homogenization is the standard method for cell disintegration before the extraction of cytosolic and periplasmic protein from E. coli. Its main drawback, however, is low selectivity and a resulting high load of host cell impurities. Pulsed electric field (PEF) treatment may be used for selective permeabilization of the outer membrane. PEF is a process which is able to generate pores within cell membranes, the so-called electroporation. It can be readily applied to the culture broth in continuous mode, no additional chemicals are needed, heat generation is relatively low, and it is already implemented at industrial scale in the food sector. Yet, studies about PEF-assisted extraction of recombinant protein from bacteria are scarce. In the present study, continuous electroporation was employed to selectively extract recombinant Protein A from the periplasm of E. coli. For this purpose, a specifically designed flow-through PEF treatment chamber was deployed, operated at 1.5 kg/h, using rectangular pulses of 3 μs at specific energy input levels between 10.3 and 241.9 kJ/kg. Energy input was controlled by variation of the electric field strength (28.4-44.8 kV/cm) and pulse repetition frequency (50-1,000 Hz). The effects of the process parameters on cell viability, product release, and host cell protein (HCP), DNA, as well as endotoxin (ET) loads were investigated. It was found that a maximum product release of 89% was achieved with increasing energy input levels. Cell death also gradually increased, with a maximum inactivation of -0.9 log at 241.9 kJ/kg. The conditions resulting in high release efficiencies while keeping impurities low were electric field strengths ≤ 30 kV/cm and frequencies ≥ 825 Hz. In comparison with high-pressure homogenization, PEF treatment resulted in 40% less HCP load, 96% less DNA load, and 43% less ET load. Therefore, PEF treatment can be an efficient alternative to the cell disintegration processes commonly used in downstream processing.
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Affiliation(s)
- Felix Schottroff
- Institute of Food Technology, University of Natural Resources and Life Sciences (BOKU), Vienna, Austria
- BOKU Core Facility Food & Bio Processing, Vienna, Austria
| | - Jens Kastenhofer
- Research Division Biochemical Engineering, Integrated Bioprocess Development, Institute of Chemical, Environmental and Bioscience Engineering, TU Wien, Vienna, Austria
| | - Oliver Spadiut
- Research Division Biochemical Engineering, Integrated Bioprocess Development, Institute of Chemical, Environmental and Bioscience Engineering, TU Wien, Vienna, Austria
| | - Henry Jaeger
- Institute of Food Technology, University of Natural Resources and Life Sciences (BOKU), Vienna, Austria
| | - David J Wurm
- Research Division Biochemical Engineering, Integrated Bioprocess Development, Institute of Chemical, Environmental and Bioscience Engineering, TU Wien, Vienna, Austria
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Novickij V, Stanevičienė R, Gruškienė R, Badokas K, Lukša J, Sereikaitė J, Mažeika K, Višniakov N, Novickij J, Servienė E. Inactivation of Bacteria Using Bioactive Nanoparticles and Alternating Magnetic Fields. NANOMATERIALS 2021; 11:nano11020342. [PMID: 33573001 PMCID: PMC7911490 DOI: 10.3390/nano11020342] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 01/18/2021] [Accepted: 01/26/2021] [Indexed: 12/19/2022]
Abstract
Foodborne pathogens are frequently associated with risks and outbreaks of many diseases; therefore, food safety and processing remain a priority to control and minimize these risks. In this work, nisin-loaded magnetic nanoparticles were used and activated by alternating 10 and 125 mT (peak to peak) magnetic fields (AMFs) for biocontrol of bacteria Listeria innocua, a suitable model to study the inactivation of common foodborne pathogen L. monocytogenes. It was shown that L. innocua features high resistance to nisin-based bioactive nanoparticles, however, application of AMFs (15 and 30 min exposure) significantly potentiates the treatment resulting in considerable log reduction of viable cells. The morphological changes and the resulting cellular damage, which was induced by the synergistic treatment, was confirmed using scanning electron microscopy. The thermal effects were also estimated in the study. The results are useful for the development of new methods for treatment of the drug-resistant foodborne pathogens to minimize the risks of invasive infections. The proposed methodology is a contactless alternative to the currently established pulsed-electric field-based treatment in food processing.
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Affiliation(s)
- Vitalij Novickij
- Faculty of Electronics, Vilnius Gediminas Technical University, 03227 Vilnius, Lithuania;
- Correspondence: (V.N.); (E.S.)
| | - Ramunė Stanevičienė
- Laboratory of Genetics, Nature Research Centre, 08412 Vilnius, Lithuania; (R.S.); (J.L.)
| | - Rūta Gruškienė
- Faculty of Fundamental Sciences, Vilnius Gediminas Technical University, 10223 Vilnius, Lithuania; (R.G.); (J.S.)
| | - Kazimieras Badokas
- Institute of Photonics and Nanotechnology, Vilnius University, 10257 Vilnius, Lithuania;
| | - Juliana Lukša
- Laboratory of Genetics, Nature Research Centre, 08412 Vilnius, Lithuania; (R.S.); (J.L.)
| | - Jolanta Sereikaitė
- Faculty of Fundamental Sciences, Vilnius Gediminas Technical University, 10223 Vilnius, Lithuania; (R.G.); (J.S.)
| | - Kęstutis Mažeika
- Center for Physical Sciences and Technology, 02300 Vilnius, Lithuania;
| | - Nikolaj Višniakov
- Faculty of Mechanics, Vilnius Gediminas Technical University, 03224 Vilnius, Lithuania;
| | - Jurij Novickij
- Faculty of Electronics, Vilnius Gediminas Technical University, 03227 Vilnius, Lithuania;
| | - Elena Servienė
- Laboratory of Genetics, Nature Research Centre, 08412 Vilnius, Lithuania; (R.S.); (J.L.)
- Faculty of Fundamental Sciences, Vilnius Gediminas Technical University, 10223 Vilnius, Lithuania; (R.G.); (J.S.)
- Correspondence: (V.N.); (E.S.)
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Soltanzadeh M, Peighambardoust SH, Gullon P, Hesari J, Gullón B, Alirezalu K, Lorenzo J. Quality aspects and safety of pulsed electric field (PEF) processing on dairy products: a comprehensive review. FOOD REVIEWS INTERNATIONAL 2020. [DOI: 10.1080/87559129.2020.1849273] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Maral Soltanzadeh
- Department of Food Science, College of Agriculture, University of Tabriz, Tabriz, I.R. Iran
| | | | - Patricia Gullon
- Department of Chemical Engineering, Faculty of Science, University of Vigo (Campus Ourense), Ourense, Spain
| | - Javad Hesari
- Department of Chemical Engineering, Faculty of Science, University of Vigo (Campus Ourense), Ourense, Spain
| | - Beatriz Gullón
- Department of Chemical Engineering, Faculty of Science, University of Vigo (Campus Ourense), Ourense, Spain
| | - Kazem Alirezalu
- Department of Food Science and Technology, Ahar Faculty of Agriculture and Natural Resources, University of Tabriz, Tabriz, I.R. Iran
| | - Jose Lorenzo
- Centro Tecnológico de la Carne de Galicia, Rúa Galicia No. 4, Parque Tecnológico de Galicia, San Cibrao das Viñas, Ourense, Spain
- Área de Tecnología de los Alimentos, Facultad de Ciencias de Ourense, Universidad de Vigo, Ourense, Spain
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Schottroff F, Knappert J, Eppmann P, Krottenthaler A, Horneber T, McHardy C, Rauh C, Jaeger H. Development of a Continuous Pulsed Electric Field (PEF) Vortex-Flow Chamber for Improved Treatment Homogeneity Based on Hydrodynamic Optimization. Front Bioeng Biotechnol 2020; 8:340. [PMID: 32426339 PMCID: PMC7203427 DOI: 10.3389/fbioe.2020.00340] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Accepted: 03/27/2020] [Indexed: 11/13/2022] Open
Abstract
Pulsed electric fields (PEF) treatment is an effective process for preservation of liquid products in food and biotechnology at reduced temperatures, by causing electroporation. It may contribute to increase retention of heat-labile constituents with similar or enhanced levels of microbial inactivation, compared to thermal processes. However, especially continuous PEF treatments suffer from inhomogeneous treatment conditions. Typically, electric field intensities are highest at the inner wall of the chamber, where the flow velocity of the treated product is lowest. Therefore, inhomogeneities of the electric field within the treatment chamber and associated inhomogeneous temperature fields emerge. For this reason, a specific treatment chamber was designed to obtain more homogeneous flow properties inside the treatment chamber and to reduce local temperature peaks, therefore increasing treatment homogeneity. This was accomplished by a divided inlet into the chamber, consequently generating a swirling flow (vortex). The influence of inlet angles on treatment homogeneity was studied (final values: radial angle α = 61°; axial angle β = 98°), using computational fluid dynamics (CFD). For the final design, the vorticity, i.e., the intensity of the fluid rotation, was the lowest of the investigated values in the first treatment zone (1002.55 1/s), but could be maintained for the longest distance, therefore providing an increased mixing and most homogeneous treatment conditions. The new design was experimentally compared to a conventional co-linear setup, taking into account inactivation efficacy of Microbacterium lacticum as well as retention of heat-sensitive alkaline phosphatase (ALP). Results showed an increase in M. lacticum inactivation (maximum Δlog of 1.8 at pH 7 and 1.1 at pH 4) by the vortex configuration and more homogeneous treatment conditions, as visible by the simulated temperature fields. Therefore, the new setup can contribute to optimize PEF treatment conditions and to further extend PEF applications to currently challenging products.
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Affiliation(s)
- Felix Schottroff
- Institute of Food Technology, Department of Food Science and Technology, University of Natural Resources and Life Sciences (BOKU), Vienna, Austria
| | - Justus Knappert
- Institute of Food Technology and Food Chemistry, Department of Food Biotechnology and Food Process Engineering, Technische Universität Berlin, Berlin, Germany
| | - Pauline Eppmann
- Institute of Food Technology and Food Chemistry, Department of Food Biotechnology and Food Process Engineering, Technische Universität Berlin, Berlin, Germany
| | - Anna Krottenthaler
- Institute of Food Technology, Department of Food Science and Technology, University of Natural Resources and Life Sciences (BOKU), Vienna, Austria
| | - Tobias Horneber
- Institute of Food Technology and Food Chemistry, Department of Food Biotechnology and Food Process Engineering, Technische Universität Berlin, Berlin, Germany
| | - Christopher McHardy
- Institute of Food Technology and Food Chemistry, Department of Food Biotechnology and Food Process Engineering, Technische Universität Berlin, Berlin, Germany
| | - Cornelia Rauh
- Institute of Food Technology and Food Chemistry, Department of Food Biotechnology and Food Process Engineering, Technische Universität Berlin, Berlin, Germany
| | - Henry Jaeger
- Institute of Food Technology, Department of Food Science and Technology, University of Natural Resources and Life Sciences (BOKU), Vienna, Austria
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