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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="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">spfp</journal-id><journal-title-group><journal-title xml:lang="ru">Хранение и переработка сельхозсырья</journal-title><trans-title-group xml:lang="en"><trans-title>Storage and Processing of Farm Products</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2072-9669</issn><issn pub-type="epub">2658-767X</issn><publisher><publisher-name>РОСБИОТЕХ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.36107/spfp.2022.364</article-id><article-id custom-type="elpub" pub-id-type="custom">spfp-364</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>ИССЛЕДОВАНИЕ СВОЙСТВ ВЕЩЕСТВ И ПРОДУКЦИИ АПК</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>RESEARCH ON TRAITS OF SUBSTANCES AND AGRIBUSINESS PRODUCTS</subject></subj-group></article-categories><title-group><article-title>Исследование влияние предварительной обработки жома сахарной свёклы (Beta vulgaris L.) на молекулярную структуру лигнина</article-title><trans-title-group xml:lang="en"><trans-title>Study on the Effect of Sugar Beet Pulp Pretreatment (Beta Vulgaris L.) on the Molecular Structure of Lignin</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9621-0691</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Царёва</surname><given-names>Мария Александровна</given-names></name><name name-style="western" xml:lang="en"><surname>Tsareva</surname><given-names>Maria A.</given-names></name></name-alternatives><email xlink:type="simple">tsareva@vniitek.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/0000-0001-8923-0029</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Казанцев</surname><given-names>Егор Валерьевич</given-names></name><name name-style="western" xml:lang="en"><surname>Kazantsev</surname><given-names>Egor V.</given-names></name></name-alternatives><email xlink:type="simple">tsareva@vniitek.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/0000-0001-8567-9320</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Протункевич</surname><given-names>Ирина Валерьевна</given-names></name><name name-style="western" xml:lang="en"><surname>Protunkevich</surname><given-names>Irina V.</given-names></name></name-alternatives><email xlink:type="simple">irina.protunkevitch@yandex.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/0000-0002-7526-6503</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Горячева</surname><given-names>Елена Давидовна</given-names></name><name name-style="western" xml:lang="en"><surname>Gorjacheva</surname><given-names>Elena D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.т.н., доц., заведующий кафедрой "Пищевая безопасность" ФГБОУ ВО "МГУПП"</p></bio><email xlink:type="simple">goryachevaed@mgupp.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Всероссийский научно-исследовательский институт технологии консервирования – филиал ФГБНУ «Всероссийский научный центр пищевых систем им. В.М. Горбатова» РАН, 142703, Россия, Московская область, Ленинский городской округ, г. Видное, ул. Школьная, д. 78</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian Research Institute of Canning Technology – branch of Gorbatov Research Center for Food Systems</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Всероссийский научно-исследовательский институт кондитерской промышленности – филиал ФГБНУ «Всероссийский научный центр пищевых систем им. В.М. Горбатова» РАН, 107076, Россия, г. Москва, ул. Электрозаводская, д. 20</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian Research Institute of Confectionery Industry – branch of Gorbatov Research Center for Food Systems</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное образовательное учреждение высшего образования «Московский государственный университет пищевых производств»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Moscow State University of Food Production</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>03</day><month>10</month><year>2022</year></pub-date><volume>0</volume><issue>3</issue><fpage>67</fpage><lpage>77</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Царёва М.А., Казанцев Е.В., Протункевич И.В., Горячева Е.Д., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Царёва М.А., Казанцев Е.В., Протункевич И.В., Горячева Е.Д.</copyright-holder><copyright-holder xml:lang="en">Tsareva M.A., Kazantsev E.V., Protunkevich I.V., Gorjacheva E.D.</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.spfp-mgupp.ru/jour/article/view/364">https://www.spfp-mgupp.ru/jour/article/view/364</self-uri><abstract><p>Введение. Лигнин – сложное полифенольное соединение сетчатого строения, входит в состав матрикса клеточной стенки высших растений и придаёт ей механическую жесткость и микробиологическую резистентность. Цель: Изучить особенности химической связи лигнина сахарной свёклы (Beta vulgaris L.) с матриксом клеточной стенки. Существующие исследования молекулярных особенностей лигнина затрагивают в основном лигнин древесины различных пород и в редких случаях лигнин вторичного сырья, что делает актуальными исследования в этой области для разных видов растительного сырья. Материалы и методы. Объект исследований представлен жомом сахарной свёклы. В методику исследования входило получение препарата гидролизного лигнина и его спектров в инфракрасной области. Результаты и их обсуждение. В ходе работы было установлено, что при исключении этапа экстракции гемицеллюлозы в процессе подготовки сырья для производства лигнина качество полученных образцов не меняется. Результаты ИК-спектроскопии показали, что полученные образцы содержат пектин в сочетании с лигнином. Взаимодействие пектина и лигнина происходит с помощью остатков феруловой кислоты посредством сложноэфирных связей. Выводы. В результате проведённых исследований было установлено, что способ извлечения лигнина из растительного сырья не влияет на качество полученного препарата. В составе матрикса клеточных стенок сахарной свёклы имеет место прочное соединение лигнина  и некоторой части пектина посредством мостиков из остатков феруловой кислоты. Это потенциально может способствовать частичному проявлению препарата лигнина, выделенным из жома сахарной свёклы, дополнительных физико-химических свойств.</p></abstract><trans-abstract xml:lang="en"><sec><title>Background</title><p>Background: Lignin is a complex polyphenolic compound with a network structure, which is part of the matrix of the cell wall of higher plants and gives it mechanical rigidity and microbiological resistance. Existing studies of the molecular characteristics of lignin mainly affect the lignin of wood of various species and, in rare cases, the lignin of secondary raw materials, which makes research in this area relevant for different types of plant materials. The article presents studies of the features of the chemical bond between sugar beet lignin (Beta vulgaris L.) and the cell wall matrix. Materials and methods: The object of research is sugar beet pulp. The research methodology included obtaining a preparation of hydrolytic lignin and its spectra in the infrared region.</p></sec><sec><title>Results</title><p>Results: In the course of the work, it was found that with the exclusion of the hemicellulose extraction stage in the process of preparing raw materials for the production of lignin, the quality of the obtained samples does not change. The results of IR spectroscopy showed that the obtained samples contain pectin in combination with lignin. The interaction of pectin and lignin occurs with the help of ferulic acid residues through ester bonds.Conclusion: As a result of the research, it was found that the method of extracting lignin from plant materials does not affect the quality of the resulting preparation. In the composition of the matrix of sugar beet cell walls, there is a strong connection of lignin and some part of pectin through bridges from ferulic acid residues. This can potentially contribute to the partial manifestation of the lignin preparation isolated from sugar beet pulp, additional physical and chemical properties.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>лигнин</kwd><kwd>ИК-спектроскопия</kwd><kwd>жом сахарной свеклы</kwd><kwd>гваяцилпропановые мономеры</kwd><kwd>сирингилпропановые мономеры</kwd><kwd>гваяцил-сирингильный тип</kwd><kwd>пектин</kwd><kwd>феруловая кислота</kwd></kwd-group><kwd-group xml:lang="en"><kwd>lignin</kwd><kwd>IR spectroscopy</kwd><kwd>sugar beet pulp</kwd><kwd>guaiacyl propane monomers</kwd><kwd>syringyl propane monomers</kwd><kwd>guaiacyl syringyl type</kwd><kwd>pectin</kwd><kwd>ferulic acid</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">Sarkanen, K.V., &amp; Ludwig, C.H. (eds) (1971). Lignins: Occurrence, formation, structure and reactions. 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