Abstract
Electro-activation of aqueous solutions is a branch of the applied electrochemistry. It consists in modifying the reactivity of solutions following adequate treatment with an electric field. In this chapter, fundamentals of the electro-activation technology are highlighted. The main electrochemical reactions occurring at the anode-solution and cathode-solution interfaces are discussed. The possibility of exploiting these reactions to produce aqueous solutions having acidic or alkaline characteristics is highlighted and the possibility of using them as extracting agents is justified. Moreover, the present analysis of the fundamentals of electro-activation technology reveals its high potential to be used as an eco-friendly technology because of the unique possibilities it offers to use electro-activated solutions instead of chemical alkaline solutions which need special handling conditions. Finally, some practical uses of electro-activated solutions for the extraction of proteins and protein-rich extracts from plant materials are discussed. Electro-activated solutions having alkaline properties were successfully used for proteins and protein-rich extracts from canola and soybean meals. The plant extracts obtained by using electro-activated solutions showed the high potential of the electro-activation technology for proteins extraction from plant-based materials such as canola (rapeseed), soybean meals. The use of the electro-activation technology for plant proteins extraction can also be extended to other plant materials recognized as high source of valuable proteins such as different pulses and grains.
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Aider, M. (2023). Electro-Activation as Emerging Technology for Proteins Extraction from Plant Materials: Theory and Applications. In: Hernández-Álvarez, A.J., Mondor, M., Nosworthy, M.G. (eds) Green Protein Processing Technologies from Plants. Springer, Cham. https://doi.org/10.1007/978-3-031-16968-7_4
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