Pulsed electric field technology for the food industry. Perhaps this obstacle would become a thing of the past and more food processors would adopt uvc into food safety practices if a term such as light treatment replaced irradiation. It is one of the most appealing technology due to short treatment time typically below 1 second. Secondary effects of electrochemical reactions and temperature increase became less relevant. Research of pulsed electric fields technology is ongoing around the world. Overview of pulsed electric fields processing for food. Pef technology is an emerging nonthermal food processing technology which involves the application of short duration of electric field pulses of high intensity to. Primary objective quick food preparation using electric pulses and a slight increase in product temperature working principle pef pulsed electric fields requires short bursts of electric power on the food placed between electrodes 2. Pulsed electric fields pef is a nonthermal preservation method mainly used in liquid foods to inactivate microorganisms and enzymes, retaining volatile compounds and nutrients in foods improving the food quality of milk and dairy products with pef processing may be a. Recent highprofile foodborne illness outbreaks associated with readytoeat rte foods, particularly fresh and freshcut produce, and the case of peanut butter contamination by an uncommon strain of salmonella, have renewed collaborative efforts by industry. Innovative nonthermal food processing technologies used by. This technology has the major advantage to provide highquality foods to the consumers. Pulsed electric field processing in food technology. The second edition of emerging technologies in food processing presents essential, authoritative, and complete literature and research data from the past ten years.
These include ohmic heating, microwave heating 46, low electric field stimulation 7,8, highvoltage arc discharge 912, and highintensity pulsed electric field pef application 15. By development of equipment based on state of the semiconductor. This volume in the food preservation technology series includes 17 contributions by leading research groups, covering both fundamental and applied aspects of pulsed electric fields. Unlike electrical stimulation, pulsed electric fields pef is not a technology originally developed to address a meat industry need and has no current commercial application on this field. Electricity usually meets about 15% ofthe food industrys energy needs. Preservation of foods with pulsed electric fields discusses the basics of high voltage pef as a low temperature food processing method, and the application of this technology in food preservation. Pulse electric field technology could revolutionise the way we process food saving time, resources and nutrients. The pulsed electric field pef technology is a mild food processing technology, suitable for preserving liquid and semiliquid food products. Advantages of using pef technology in food processing. Effects of pulsed electric fields processing strategies on. New products and processing techniques are continuously being developed within the food industry. Under the influence of an external electric field, the number and size of the pores in the cell membrane change joshi et al.
Jun, 2017 in the food industry, technology is changing the way we look at food from growth to consumption to the meaning food has to the consumer. Intelligently grown food using big data, iot, and artificial intelligence. Applications of pulsed electric fields technology for the food industry. So, when an electrical field is applied, electrical current flows into the liquid food and is transferred to each point in the liquid because of the charged molecules present. The principles of pulsed electric field the basic principle of the pef technology is the application of short pulses of high electric fields with duration of microseconds micro to milliseconds and intensity in the order of. Thermal inputs for food preservation generally dominate the food processing industry. Application of pulsed electric fields in meat and fish processing. Among all emerging nonthermal technologies, high intensity pulsed electric fields pef is one of the most appealing due to its short treatment times and reduced heating effects. Among all emerging nonthermal technologies, high intensity pulsed electric fields pef is one of the most appealing due to its short treatment. Pulsed electric fields for food processing technology, structure and function of food engineering, prof.
Pulsed electric fields humberto vegamercado, olga martinbelloso, bailin qin, fu jung chang, m. Chapter one of this book provides inactivation kinetic models for pef treatment. Food industry applications for pulsed electric fields. Pulsed electric fields technology for the food industry fundamentals and applications edited by javier raso. This technology is attracting a great deal of interest around the world because it is more cost effective than conventional systems due to the. In electrical stimulation of meat, an electric field of 510vcm is applied as alternating current ac pulses to the sample through electrodes fixed at opposite ends of the long axis of the muscle 7.
Presence of moisture or water causes dielectric heating due to dipolar nature of water. Pulsed electric fields pef is an emerging technology that has been extensively studied for nonthermal food processing. Pulsed electric fields technology is the application of very short pulses micro to milliseconds, at electric field intensities ranging from 1080 kvcm, applied to a food product held between two electrodes inside a chamber, usually at room temperature. Pulsed electric field technology gives new potential for new. High hydrostatic pressure, pulsed electric fields, ultrasound, and cold plasma are emerging technologies that have already found application in the food industry. The food industry was the fifth largest energy consumer in the manufacturing sector in 19949 food manufacturers are important utility customers because they have large utility loads. John khouryieh, daniel jackson, brent askins department of architectural and manufacturing sciences western kentucky university. For the fundamentals and applications of pef in the food industry. In this video, we explain the features of one of the novel food processing technologies treated by i3 food project, the so called pulsed electric field preservation, or pef.
The latest research report by technavio on the global food industry pulsed electric field systems market predicts a cagr of close to 27% until 2022. But, since we had no other option, we were compelled to continue the procedure for food preservation. But technology and innovative ideas are finally catching up with. Pulsed electric field pef is among the electricalbased processing. From earlier experiences with gene modification and irradiation, we have learnt that advantages that new processing technologies offer do. Apple and orange juices are among the foods most often treated in pef studies. When an oscillating electric field is incident on the water molecules, the permanently polarized dipolar molecules try to realign in the direction of the electric field.
The pulsed electric field induces poration of cell. Microwave heating of food materials mainly occurs due to dipolar and ionic mechanisms. Request permission export citation add to favorites track citation. Pef has been suggested as a technology of choice to obtain safe and highquality plantbased foods with a shelflife similar to the attained with mild heat pasteurization treatments. Pulsed electric field technology gives new potential for. Theoretical studies have shown that a nanosecond duration pulse can create smaller pores, but in a larger numbers, than a millisecond duration pulse does. The food industry is a complex, global collective of diverse businesses that supplies most of the food consumed by the worlds population. Pulsed electric fields pef is a method used in nonthermal food preservation.
Pef presents a number of advantages including minimal changes to fresh foods, inactivation of a wide range of. Some of these emerging technologies have become alternative means of developing new foods or improving the safety and quality of existing ones while reducing energy consumption for the food industry. Pulsed electric fields pef is an emerging nonthermal food processing technology which involves the application of short duration electric field pulses to foods located between two electrodes. Hipef processing could be an appropriate technology to preserve the color properties and.
Innovative nonthermal food processing technologies used by the food industry in united states harlin kaur saroya august 2017 87 pages directed by. New sensors for food industry corrado di natale 1, ed jones 2, gustavo alcuri 3 1 university of rome tor vergata, italy. Pef has been suggested as a technology of choice to obtain safe and highquality plantbased foods with a shelflife similar to the attained with mild. Pulsed electric fields pef involves the application of highvoltage energy 0. Jul 17, 2019 pulsed electric fields in food processing. Chapter seven examines further potential of pef treatments for the food industry. Pulsed electric field technology in food preservation. The method of high intensity pulse electric field used to inactivate microorganisms has been under. Pef processing has been studied by a number of researchers across a wide range of liquid foods.
Pulsed electric fields technology for the food industry. Pulsed electric field food cooking food tech innovation portal. Pulsed power systems for application of pulsed electric fields in the food industry. Overview of pulsed electric field processing for food. Cover story aprilmay 2007 innovations in technology. The report has been prepared based on an indepth market analysis with. Global food industry pulsed electric field pef systems. Various applications have been identified such as improvement of mass transfer during extraction or drying as well as gentle food preservation. Chapter two discusses pef in the winemaking process. At high electric fields 20 kvcm, it can constitute an alternative to. Pulsed electric field processing and electroporation are both used to describe the same technique.
The current chapter gives an historical overview on the research works and applications of electricity and specifically pulsed electric fields in food processing. Food quality and safety can be improved through pulsed electrical fields, according to dr ingrid aguiloaguayo. New technology juices up the food industry youtube. Pulsed electric fields pef for permeabilization of cell membranes in food and bioprocessing applications, process and equipment design and cost analysis, phd. Pulsemaster pulsed electric field pef processing systems. Pulsed electric field pef applications can be utilised to achieve disintegration of biological tissues or microbes. Pulsed electric field pef treatment is an innovative and promising method for nonthermal processing of foodstuff. Insights into elea what pulsed electric field does for food is just astonishing duration. Pulsed electric field pef processing is a well known nonthermal food preservation technique, but did you know it can also be used to improve product quality and food production processes. In an attempt to improve, or replace, existing food processing methods, several novel technologies have been investigated. Global food industry pulsed electric field pef systems market to grow at a cagr of 26. In response to consumer preferences for high quality foods that are close as possible to fresh products, nonthermal technologies are being developed to obtain products with high levels of organoleptic and nutritional quality but free of any health. Fundamental aspects and applications presents wideranging research and the latest developments in this emerging technology. Most ofthe processes that use electricity cannot substitute other forms ofenergy.
Jan 23, 2016 the food industry is one that is lagging behind others, plagued by archaic practices and an increasingly angry consumer base. Its called pulsed electric field also known as pef technology. In the last decades, pulsed electric fields pef have been proposed as alternative or complementary to traditional food processing technologies in order to improve the competitiveness of the food industry. Depending on the process intensity, the process affects cell membrane permeability due to localised structural changes. Technology, role in food science and emerging applications food science and technology. Pulsed electric fields pef is a nonthermal method of food preservation that uses short pulses of electricity for microbial inactivation and causes minimal. Pulsed electric fields pef is an emerging nonthermal food processing technology which involves the application of short duration electric field pulses to. Pulsed electric fields pef is one of the nonthermal processing approaches that is receiving considerable attention by scientists, government and the food industry as a potential technique to be fully adopted to process foods at the industrial level. Feb 02, 2015 present status of pulsed electric field technology the extent of improvement in a food processing company achieved by an emerging technology generally reflects the interest in that technology by the food industry. Top 5 disruptive food tech trends in 2017 disruptor daily. Global food industry pulsed electric field systems market.
Prominent vendors in food industry pulsed electric field pef systems market we provide a detailed analysis of around 25 vendors operating in the food industry pulsed electric field pef systems market, including some of the vendors such as coolwave processing b. Pulsed electric fields for food processing technology 279 3. Chapter eight discusses network simulation of the electrical response to pef of ionexchange membranes in electrodialysis. Experiments conducted by doevenspeck 1960, 1961, 1984 revealed that pulsed electric fields can be applied for disruption of cells in food material and were further developed and expanded to the inactivation of microorganisms and wastewater treatment. Activity of different national groups on implementations of electricity and specifically pulsed electric field in food industry in the period between 1940th and 1990th. Pulsed electric fields pef technology consists on an electrical treatment of short time from several nanoseconds to several milliseconds with pulse electric field strength from 100 to 300 vcm to 2080 kvcm fincan and dejmek, 2002, koubaa et al. Pulsed electric fields technology for the food industry presents the information accumulated on pulsed electric fields during the last 15 years by experienced microbiologists, biochemists, food technologists, and electrical and food engineers. The practical applications of the continuous dc or alternating ac electric currents for heating of the foods and for killing of microbes in liquid foods have more than one hundred. The impulse generation system transforms the electric power from a low utility level voltage to pulsed high intensity electric fields. The most important industrial food processing technology in 25 years. Kostaropoulos, handbook offood processing equipment 2002 jorge e. Preservation of foods with pulsed electric fields 1st. It can be used to preserve liquid bulk products such as fruit juice, milk, yoghurt and soup. Pulsed electric field technology food physics pef solutions, innovations and applications.
A simplified circuit for generation of exponential decay pulses is shown in figure 4. Pulsed electric fields for food processing technology. Mar, 2018 pulseelectric field technology a futuristic alternative to thermal processing heat treatment has long been proven to reduce the nutritional value of foods, whether fruits or vegetables. Technology brings a new age in food safety and analysis. Innovative food science, food science, food technology, food processing high pressure processing hpp will be the most commercially important food processing technology for european industry in the next ten years, according to new data. The principles of pulsed electric field the basic principle of the pef technology is the application of short pulses of high electric fields with duration of microseconds micro to milliseconds and intensity in the order of 1080 kvcm. It is a complete resource offering the latest technological innovations in food processing today, and includes vital information in research and development for the food processing industry. Applications of pulse electric field in food processing. These pulses induce poration of plant, animal and microbial cells, leading to cell disintegration and microbial inactivation.
There are many different ways of applying electric energy for food pasteurization. Current applications and new opportunities for the use of. Several studies have demonstrated the feasibility of pulsed electric fields pef for different applications in food industry. Pulsed electric field for food processing technology. Pdf pulsed electric fields for food processing technology. Javier raso and volker heinz, pulsed electric fields technology for the food industry 2006 m. Emerging technologies for food processing 2nd edition. Pef technology is therefore a valuable tool that can improve functionality, extractability, and recovery of nutritionally valuable compounds as well as the bioavailability of micronutrients and components in a diverse variety of foods. This novel preservation method opens new perspectives for the food industry. Pef technology is an emerging nonthermal food processing technology which involves the application of short duration of electric field pulses of high intensity to materials located between two. Pulsed electric field pef processing is making its way from the lab to market implementation. Pulsed electric field preservation of liquid food products. There is an innovative technology to process food and it has some great advantages. Food physics pulsed electric field technology food.
Low electric field stimulation has been explored as a method of bacterial control of meat. Applications of pulsed electric fields technology for the. Pulsed electric field pef technology is a nonthermal food preservation method that involves the use of short electricity pulses for microbial inactivation while imposing minimal detrimental influence on food quality. Jan 09, 2017 protecting consumers has long been a priority for the food industry, but modern times have changed the specific challenges producers and regulators face when it comes to food safety. Pulsed electric field pef processing is a nonthermal food processing technology that applies brief. Applications of electricity and specifically pulsed. This technology is attracting a great deal of interest around the world because it is more cost effective than conventional systems due to the conservative nature of. The technology produces no safety hazards to food and beverage products, there are no after or byproduct when food is treated with uvc. Innovative nonthermal food processing technologies used. Here are the top five food technology trends in 2017. The first commercial applications of the technique have been achieved. Pulsed electric fields in food production the dairy site.
Pulsed electric field processing of foods new food magazine. The very active implementation of electricity for treatment of different food tissues was started in the 1940s1950s in germany, ukraine and later on in moldova. Request pdf on jan 1, 2006, javier raso and others published pulsed electric fields technology for the food industry find, read and cite all the research you need on researchgate. Navigationsuche boku universitat fur bodenkultur wien. Preservation of foods with pulsed electric fields 1st edition. All pef systems used by industry to make french fries and crisps, built according to marx solidstate typology and running succesfully in potato industry in germany, us, canada, the netherlands, belgium, austria, australia, india and china, technically originate from the work of pulsemasters highly qualified team of german engineering experts. Pulsed electric field pef processing is an efficient nonthermal food processing technique using short, high voltage pulses. Apr 15, 2018 the latest research report by technavio on the global food industry pulsed electric field systems market predicts a cagr of close to 27% until 2022. Pulsed electric field pef the potential in food processing.