Pilot Scale Cavitational Reactors and Other Enabling Technologies to Design the Industrial Recovery of Polyphenols from Agro-Food By-Products, a Technical and Economical Overview

We herein provide an overview of the most recent multidisciplinary process advances that have occurred in the food industry as a result of changes in consumer lifestyle and expectations. The demand for fresher and more natural foods is driving the development of new technologies that may efficiently operate at room temperature. Moreover, the huge amount of material discarded by the agro-food production chain lays down a significant challenge for emerging technologies that can provide new opportunities by recovering valuable by-products and creating new applications. Aiming to design industrial processes, there is a need for pilot scale plants such as the ‘green technologies development platform’, which was established by the authors. The platform is made up of a series of multifunctional laboratories that are equipped with non-conventional pilot reactors, developed in direct collaboration with partner companies, in order to bridge the enormous gap between academia and industry via the large-scale exploitation of relevant research achievements. Selected key, enabling technologies for process intensification make this scale-up feasible. We make use of two selected examples, the grape and olive production chains, to show how cavitational reactors, which are based on high-intensity ultrasound and rotational hydrodynamic units, can assist food processing and the sustainable recovery of waste, to produce valuable nutraceuticals as well as colouring and food–beverage additives.

[1]  F. Chemat,et al.  Solvent-free microwave extraction of essential oil from aromatic herbs: from laboratory to pilot and industrial scale. , 2014, Food chemistry.

[2]  R. Carle,et al.  Pilot-scale resin adsorption as a means to recover and fractionate apple polyphenols. , 2010, Journal of agricultural and food chemistry.

[3]  F. Barba,et al.  Negative pressure cavitation extraction: A novel method for extraction of food bioactive compounds from plant materials , 2016 .

[4]  Joong-Ho Kwon,et al.  Green Extraction Methods for Polyphenols from Plant Matrices and Their Byproducts: A Review. , 2017, Comprehensive reviews in food science and food safety.

[5]  John Shi,et al.  Polyphenolics in grape seeds-biochemistry and functionality. , 2003, Journal of medicinal food.

[6]  Parag R. Gogate,et al.  Hydrodynamic Cavitation for Food and Water Processing , 2011 .

[7]  I. Volf,et al.  A Comparative Analysis of the ‘Green’ Techniques Applied for Polyphenols Extraction from Bioresources , 2015, Chemistry & biodiversity.

[8]  Rossana Punzi,et al.  Enrichment of fresh pasta with antioxidant extracts obtained from artichoke canning by‐products by ultrasound‐assisted technology and quality characterisation of the end product , 2017 .

[9]  A. Baiano,et al.  Antioxidant Compounds from Vegetable Matrices: Biosynthesis, Occurrence, and Extraction Systems , 2016, Critical reviews in food science and nutrition.

[10]  Stefano Mantegna,et al.  Process intensification in food industry: hydrodynamic and acoustic cavitation for fresh milk treatment , 2014 .

[11]  Giancarlo Cravotto,et al.  A new pilot flow reactor for high-intensity ultrasound irradiation. Application to the synthesis of biodiesel. , 2010, Ultrasonics sonochemistry.

[12]  S. Ghanbarzadeh,et al.  Optimization of the Ultrasonic-Assisted Extraction of Phenolic Compounds, Ferric Reducing Activity and Antioxidant Activity of the Beta vulgaris Using Response Surface Methodology , 2015 .

[13]  T. H. Roberts,et al.  Techniques for Analysis of Plant Phenolic Compounds , 2013, Molecules.

[14]  M. V. Dael,et al.  Concentration of phenolic compounds from apple pomace extracts by nanofiltration at lab and pilot scale with a techno-economic assessment , 2018 .

[15]  Farid Chemat,et al.  Green Extraction of Natural Products: Concept and Principles , 2012, International journal of molecular sciences.

[16]  C. Vera,et al.  Coupling Solvent Extraction Units to Cyclic Adsorption Units , 2018 .

[17]  Gustavo V. Barbosa-Cánovas,et al.  Ultrasound Technologies for Food and Bioprocessing , 2011 .

[18]  C. Abdelly,et al.  Ultrasound-Assisted Extraction: Effect of Extraction Time and Solvent Power on the Levels of Polyphenols and Antioxidant Activity of Mesembryanthemum edule L. Aizoaceae Shoots , 2012 .

[19]  E. Ibáñez,et al.  Sub- and supercritical fluid extraction of functional ingredients from different natural sources: Plants, food-by-products, algae and microalgae: A review , 2006 .

[20]  D. Pastore,et al.  Antioxidant/Oxidant Balance as a novel approach to evaluate the effect on serum of long-term intake of plant antioxidant-rich foods , 2018 .

[21]  J. V. García-Pérez,et al.  Ultrasound in Food Processing: Recent Advances , 2017 .

[22]  G. Cravotto,et al.  An improved sonochemical reactor. , 2005, Ultrasonics sonochemistry.

[23]  L. F. Cabeza,et al.  Processing of leather waste: pilot scale studies on chrome shavings. Isolation of potentially valuable protein products and chromium , 1998 .

[24]  Mandar P. Badve,et al.  Hydrodynamic cavitation: an emerging technology for the intensification of various chemical and physical processes in a chemical process industry , 2017 .

[25]  F. Barba,et al.  Recent insights for the green recovery of inulin from plant food materials using non-conventional extraction technologies: A review , 2016 .

[26]  Giancarlo Cravotto,et al.  Power ultrasound in organic synthesis: moving cavitational chemistry from academia to innovative and large-scale applications. , 2006, Chemical Society reviews.

[27]  B. Širok,et al.  A novel rotation generator of hydrodynamic cavitation for waste-activated sludge disintegration. , 2015, Ultrasonics sonochemistry.

[28]  H. E. Gharras.  Polyphenols: food sources, properties and applications – a review , 2009 .

[29]  G. Piro,et al.  Functional, textural and sensory properties of dry pasta supplemented with lyophilized tomato matrix or with durum wheat bran extracts produced by supercritical carbon dioxide or ultrasound. , 2016, Food chemistry.

[30]  K. Muthukumarappan,et al.  Application of hydrodynamic cavitation to improve antioxidant activity in sorghum flour and apple pomace , 2016 .

[31]  Farid Chemat,et al.  Ultrasound-assisted extraction of clove buds using batch- and flow-reactors: A comparative study on a pilot scale , 2013 .

[32]  G. Cravotto,et al.  Oxidative polymerization of waste cooking oil with air under hydrodynamic cavitation , 2017 .

[33]  Md. Mokhlesur Rahman,et al.  Techniques for extraction of bioactive compounds from plant materials: A review , 2013 .

[34]  D. Lewis,et al.  Disruption of microalgal cells for the extraction of lipids for biofuels: Processes and specific energy requirements , 2012 .

[35]  F. Barba,et al.  Recovery of Oil with Unsaturated Fatty Acids and Polyphenols from Chaenomelessinensis (Thouin) Koehne: Process Optimization of Pilot-Scale Subcritical Fluid Assisted Extraction , 2017, Molecules.

[36]  Priscilla C. Veggi,et al.  Extraction Methods for Obtaining Carotenoids from Vegetables - Review , 2013 .

[37]  S. N. El,et al.  Olive tree (Olea europaea) leaves: potential beneficial effects on human health. , 2009, Nutrition reviews.

[38]  Rosaria Ciriminna,et al.  Beer-brewing powered by controlled hydrodynamic cavitation: Theory and real-scale experiments , 2016, 1609.06629.

[39]  Matevž Dular,et al.  Hydrodynamic cavitation damage in water at elevated temperatures , 2016 .

[40]  A. Khelfa,et al.  Potential of Novel Technologies for Aqueous Extraction of Plant Bioactives: Chapter 15 , 2017 .

[41]  F. Meneguzzo,et al.  Olive Biophenols as New Antioxidant Additives in Food and Beverage , 2017 .

[42]  Farid Chemat,et al.  Applications of ultrasound in food technology: Processing, preservation and extraction. , 2011, Ultrasonics sonochemistry.

[43]  G. Cravotto,et al.  Extraction of flavourings from natural sources. , 2007 .