Abstract
This review article revises the sustainable practices and applications to valorize valuable components recovered from cereal processing by-products. After introducing cereal processing by-products, their healthy compounds, and corresponding functional properties, the article explores reutilization opportunities of by-products emphasizing specific sources (e.g., oat and wheat bran, distillers’ dried grains, etc.) and the biorefinery approach. Proteins and soluble dietary fibers such as arabinoxylans are of particular interest due to their content in the cereal processing by-products and their easy extraction based on conventional technologies such as enzyme-assisted extraction and membrane filtration. Non-thermal technologies have also been suggested to improve sustainability recovery approaches. Finally, the article discusses the different applications for the recovered high-added value compounds that span across biotechnology, foods, and bakery products.
Highlights
In order to increase selectivity, many researchers suggested the application of sequential ultrafiltration for the valorization of rice, by-products derived different cereal processing systems by-products
The conventional utilization of cereal processing by-products for livestock feed and composting is a low added-value solution for the cereal sector that seeks more sustainable solutions within the stressing post-pandemic era and bioeconomy frame of our times. These by-products have considerable potential to be used as substrates for the production of different products for biotechnology, food, and pharmaceutical applications
Most of the research and market implementation studies conducted in the field deal with the valorization of wheat bran by-products and dried grains with solubles (DDGS)
Summary
Citation: Galanakis, C.M. SustainableApplications for the Valorization of Cereal Processing By-Products. Foods2022, 11, 241. https://doi.org/10.3390/foods11020241Received: 2 December 2021Accepted: 10 January 2022Published: 17 January 2022Publisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations.Copyright: Licensee MDPI, Basel, Switzerland.Attribution (CC BY) license (https://creativecommons.org/licenses/by/
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