Eugene Vorobiev - Processing of Foods and Biomass Feedstocks by Pulsed Electric Energy

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The practical applications of electricity for heating of the foods and for killing of microbes in liquid foods have more the hundred years history. Starting from the middle of the twentieth-century application of pulsed electric energy (PEE) for treatment of foods and biomass feedstocks has attracted great interest. For recent decades, many important effects and mechanisms related with impact of PEE on bio-, food or agricultural products were discovered and elucidated. The purpose of this work is a presentation of primary research and original investigations in the field of application of PEE for processing of foods and biomass feedstocks.

The book is divided into the 3 parts and 12 chapters.

Part I (Chaps.presents laboratory and pilot-scale treatment chambers and pulsed electric field (PEF) generators and gives the useful information about PEF equipment producers.

Part II (Chaps.includes information and discussion about PEE-assisted cooling, freezing, thawing and crystallisation. Physical aspects of food materials freezing using innovative and alternative techniques (ultrasound, microwaves and radiofrequencies, high pressure and vacuum) are discussed. The effects of electric fields (DC, alternative and PEF) on nucleation and crystallisation processes are considered.

Part III (Chaps.discussed potential applications of PEE on biorefineries. Numerous examples of PEE application for the recovery of valuable extractives (proteins, pigments, lipids, phenolics) from oilseed and lignocellulosic biomass feedstocks (leafs, stems, wood barks) are presented. PEE application for the delignification of lignocellulosic biomass is also demonstrated. Current results and detailed review of PEE applications useful for microalgae biorefineries (recovery of carbohydrates, chlorophylls, proteins, and lipids, better growth of microalgae strains) are also presented. The advantages and disadvantages of PEE-assisted techniques in terms of efficiency, the selectivity of extraction, maintenance and operation costs, energy consumption, processing time, degradation of compounds and possibility of scaling up to industrial scale are discussed.

The book may be of interest to engineers, academicals, undergraduate and graduate students in related disciplines and professionals employed in other disciplines who would want to further explore this subject in depth.

Many results presented in this book were obtained during the last 20 years in the University of Technology of Compiegne (UTC), France, in the research group headed by Prof. Eugene Vorobiev and where Prof. Nikolai Lebovka stayed each year, at least during several months, as a visiting scientist. We are grateful to our colleagues, current and former PhD students, and postdocs for their fruitful collaboration and outstanding work, which inspired us to wright this book. We especially acknowledge the people who worked with us in UTC in the field of electroporation and PEF: Nadia Boussetta, Nabil Grimi, Jean-Louis Lanoisell, Olivier Bals, Maurice Nonus, Maksim Loginov, Houcine Mhemdi, Mohammad Turk, Mohamed Koubaa, Francisco J. Barba, Luc Marchal, Oleksii Parniakov, Mykola Shynkaryk, Samo Mahnic-Kalamiza, Iurie Praporscic, Kamal El-Belghiti, Hazem Bouzrara, Maksym Bazhal, Henri El Zakhem, Ccile Gros, Cristele Delsart, Ksenia Loginova, Nada El Darra, Hiba Rajha, Sally El Kantar, Zhenzhou Zhu, Jessy Mattar, Silne Brianceau, Pierre Adda, Dan Liu, Fouad Almohammed, Lucie Drvillon, Marva Brahim, Meriem Bouras, Ezzeddine Amami, Jihene ben Ammar, Hind Allali, Liu Dan, Caiyun Liu, Lu Wang, Xiaoxi Yu, Rui Zhang, and others.