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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">meat</journal-id><journal-title-group><journal-title xml:lang="en">Theory and practice of meat processing</journal-title><trans-title-group xml:lang="ru"><trans-title>Теория и практика переработки мяса</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2414-438X</issn><issn pub-type="epub">2414-441X</issn><publisher><publisher-name>ФГБНУ «Федеральный научный центр пищевых систем им. В.М. Горбатова» РАН</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21323/2414-438X-2022-7-1-58-65</article-id><article-id custom-type="elpub" pub-id-type="custom">meat-210</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>Статьи</subject></subj-group></article-categories><title-group><article-title>Certain features of using modified collagen-containing raw materials with prolonged shelf life in food technology</article-title><trans-title-group xml:lang="ru"><trans-title>Certain features of using modified collagen-containing raw materials with prolonged shelf life in food technology</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Litvinova</surname><given-names>E. V.</given-names></name><name name-style="western" xml:lang="en"><surname>Litvinova</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Moscow</p></bio><bio xml:lang="en"><p>Elena V. Litvinova, Candidate of technical sciences, docent, Technology and Biotechnology of Meat and Meat Products Department</p><p>Talalikhina St., 33, 109396, Moscow</p><p>Tel.: +7–962–952–28–28</p></bio><email xlink:type="simple">litvinovaev@mgupp.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1821-7761</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Titov</surname><given-names>E. I.</given-names></name><name name-style="western" xml:lang="en"><surname>Titov</surname><given-names>E. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Moscow</p></bio><bio xml:lang="en"><p>Evgeny I. Titov, Doctor of technical sciences, professor, Academician of the Russian Academy of Sciences, Technology and Biotechnology of Meat and Meat Products Department</p><p>Talalikhina St., 33, 109396, Moscow</p><p>Tel.: +7–985–761–71–27</p></bio><email xlink:type="simple">titov@mgupp.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4089-2475</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Kidyaev</surname><given-names>S. N.</given-names></name><name name-style="western" xml:lang="en"><surname>Kidyaev</surname><given-names>S. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Moscow</p></bio><bio xml:lang="en"><p>Sergey N. Kidyaev, Candidate of technical sciences, docent, Technology and Biotechnology of Meat and Meat Products Department</p><p>Talalikhina St., 33, 109396, Moscow</p><p>Tel.: +7–985–150–81–91</p></bio><email xlink:type="simple">kidaevsn@mgupp.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7684-0557</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Sokolov</surname><given-names>A. Yu.</given-names></name><name name-style="western" xml:lang="en"><surname>Sokolov</surname><given-names>A. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Moscow</p></bio><bio xml:lang="en"><p>Alexander Yu. Sokolov, Candidate of technical sciences, docent, Department of Restaurant Business</p><p>Stremyanny lane, 36, Moscow, 117997 </p><p>Tel.: +7–985–150–81–91</p></bio><email xlink:type="simple">Sokolov.AY@rea.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6749-7806</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Lapshina</surname><given-names>V. L.</given-names></name><name name-style="western" xml:lang="en"><surname>Lapshina</surname><given-names>V. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Moscow</p></bio><bio xml:lang="en"><p>Victoria L. Lapshina, assistant, Technology and Biotechnology of Meat and Meat Products Department</p><p>Talalikhina St., 33, 109396, Moscow</p><p>Tel.: +7–926–333–89–29</p></bio><email xlink:type="simple">vic.toria.lapshina@inbox.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Moscow State University of Food Production</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Moscow State University of Food Production</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Plekhanov Russian University of Economics</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Plekhanov Russian University of Economics</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>12</day><month>04</month><year>2022</year></pub-date><volume>7</volume><issue>1</issue><fpage>58</fpage><lpage>65</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Litvinova E.V., Titov E.I., Kidyaev S.N., Sokolov A.Y., Lapshina V.L., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Litvinova E.V., Titov E.I., Kidyaev S.N., Sokolov A.Y., Lapshina V.L.</copyright-holder><copyright-holder xml:lang="en">Litvinova E.V., Titov E.I., Kidyaev S.N., Sokolov A.Y., Lapshina V.L.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.meatjournal.ru/jour/article/view/210">https://www.meatjournal.ru/jour/article/view/210</self-uri><abstract><p>In the current circumstances, trends in nutrition of a person striving to lead a healthy life-style require intake of meat products with the reduced energy value, minimal amounts of fat, increased protein mass fraction, presence of substances improving homeostasis of the body. The synergism of the modern nutrition science and meat industry enables creating food products that satisfy consumers’ demand. Today, in the Russian Federation, a theoretical and practical base of the technology development has been collected to the full extent in the field of rational processing of secondary raw materials in the food industry, optimal use of animal secondary raw materials, study of the protein ingredients of animal and plant origin and their deep scientifically substantiated processing, improvement of technological processes and equipment, and correspondently, product range extension. The paper broadens the information about the modified collagen-containing raw materials (cattle rumen), examines physico-chemical characteristics of the collagen-containing raw material and its changes in the process of freeze-drying with a special attention paid to the study of changes in the histological structure. The presence of the relatively uniform fibrillar structure was determined, which facilitated discovering the functional potential of proteinoids that form the fibrillar matrix in the composition of products from different groups. Analysis of IR-spectra revealed several significant absorption bands linked with the state of peptide bonds. The character of bands is linked with the complex of valence and deformation vibrations of the N- and С- types. It is believed that IR-spectra reflect conformations in the protein secondary structure, which suggests preserving properties of the tropocollagen particle or collagen molecule. Freeze-dried modified collagen-containing cattle rumen was tested by the example of jellies. The obtained databank broadens information about physico-chemical properties of modified collagen-containing raw materials (cattle rumen).</p></abstract><trans-abstract xml:lang="ru"><p>In the current circumstances, trends in nutrition of a person striving to lead a healthy life-style require intake of meat products with the reduced energy value, minimal amounts of fat, increased protein mass fraction, presence of substances improving homeostasis of the body. The synergism of the modern nutrition science and meat industry enables creating food products that satisfy consumers’ demand. Today, in the Russian Federation, a theoretical and practical base of the technology development has been collected to the full extent in the field of rational processing of secondary raw materials in the food industry, optimal use of animal secondary raw materials, study of the protein ingredients of animal and plant origin and their deep scientifically substantiated processing, improvement of technological processes and equipment, and correspondently, product range extension. The paper broadens the information about the modified collagen-containing raw materials (cattle rumen), examines physico-chemical characteristics of the collagen-containing raw material and its changes in the process of freeze-drying with a special attention paid to the study of changes in the histological structure. The presence of the relatively uniform fibrillar structure was determined, which facilitated discovering the functional potential of proteinoids that form the fibrillar matrix in the composition of products from different groups. Analysis of IR-spectra revealed several significant absorption bands linked with the state of peptide bonds. The character of bands is linked with the complex of valence and deformation vibrations of the N- and С- types. It is believed that IR-spectra reflect conformations in the protein secondary structure, which suggests preserving properties of the tropocollagen particle or collagen molecule. Freeze-dried modified collagen-containing cattle rumen was tested by the example of jellies. The obtained databank broadens information about physico-chemical properties of modified collagen-containing raw materials (cattle rumen).</p></trans-abstract><kwd-group xml:lang="ru"><kwd>collagen</kwd><kwd>modified collagen</kwd><kwd>cattle rumen</kwd><kwd>freeze-drying</kwd><kwd>proteinoids</kwd><kwd>microstructure</kwd><kwd>rheological properties</kwd></kwd-group><kwd-group xml:lang="en"><kwd>collagen</kwd><kwd>modified collagen</kwd><kwd>cattle rumen</kwd><kwd>freeze-drying</kwd><kwd>proteinoids</kwd><kwd>microstructure</kwd><kwd>rheological properties</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Kodentsova, V.M., Vrzhesinskaya, O.A., Risnik, D.V., Nikityuk, D.B., Tutelyan, V.A. (2017). Micronutrient status of population of the Russian Federation and possibility of its correction. State of the problem. 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