Affiliation:
1. Federal Research Centre of Nutrition and Biotechnology, 109240 Moscow, Russia
Abstract
Special attention is being paid to the study of amaranth proteins. They are characterized by a high biological value that significantly exceeds those of grain crops. The production of protein concentrate from amaranth flour includes preliminary enzymatic hydrolysis, extraction of the resulting mixture, protein precipitation, microfiltration, and freeze-drying. In our study, the obtained amaranth protein concentrate was limited by valine, with an amino acid score of 74%. The true digestibility of the amaranth protein concentrate determined in vivo was 97.6 ± 0.3%, which was significantly lower than that of casein (99.3 ± 0.2%). The protein digestibility-corrected amino acid score value of the concentrate was 72.2%. The obtained concentrate was a rich source of selenium, copper, magnesium, manganese, and iron. Ferulic acid was the only polyphenolic compound found in the amaranth protein concentrate, but its content was significantly greater compared to the original flour. Saponins were not removed completely during the process of obtaining the amaranth protein concentrate. We identified 15 saponins in the concentrate, mainly of the bidesmoside type, the sapogenins of which are related derivatives of oleanolic acid. Thus, the developed amaranth protein concentrate can be used as an ingredient in functional food products, with a high biological value.
Funder
Russian Science Foundation
Subject
Plant Science,Health Professions (miscellaneous),Health (social science),Microbiology,Food Science
Reference35 articles.
1. Stem Morphology and Anatomy in Amaranthus L. (Amaranthaceae), Taxonomic Significance;Costea;J. Torrey Bot. Soc.,2001
2. Prospects of Application of Diet Supplements Based on Amaranth in the Practice of Training Athletes;Gunina;Ukr. Žurnal Med. Bìol. Sport,2018
3. (2007). Protein and Amino Acid Requirements in Human Nutrition: Report of a Joint FAO/WHO/UNU Expert Consultation, WHO Technical Report Series.
4. Balakrishnan, G., and Schneider, R.G. (2022). The Role of Amaranth, Quinoa, and Millets for the Development of Healthy, Sustainable Food Products—A Concise Review. Foods, 11.
5. Aguilar-Padilla, J., Centeno-Leija, S., Bojórquez-Velázquez, E., Elizalde-Contreras, J.M., Ruiz-May, E., Serrano-Posada, H., and Osuna-Castro, J.A. (2023). Characterization of the Technofunctional Properties and Three-Dimensional Structure Prediction of 11S Globulins from Amaranth (Amaranthus hypochondriacus L.). Seeds. Foods, 12.
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