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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">vir-nw</journal-id><journal-title-group><journal-title xml:lang="ru">Труды по прикладной ботанике, генетике и селекции</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings on applied botany, genetics and breeding</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2227-8834</issn><issn pub-type="epub">2619-0982</issn><publisher><publisher-name>N.I. Vavilov All-Russian Institute of Plant Genetic Resources</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.30901/2227-8834-2023-4-45-52</article-id><article-id custom-type="elpub" pub-id-type="custom">vir-nw-1728</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>ИЗУЧЕНИЕ И ИСПОЛЬЗОВАНИЕ ГЕНЕТИЧЕСКИХ РЕСУРСОВ РАСТЕНИЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>STUDYING AND UTILIZATION OF PLANT GENETIC RESOURCES</subject></subj-group></article-categories><title-group><article-title>Весовой метод определения растворимых β-глюканов в зерне ячменя</article-title><trans-title-group xml:lang="en"><trans-title>Weight method for determination of soluble β-glucans in barley grain</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3274-7662</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Попов</surname><given-names>В. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Popov</surname><given-names>V. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Виталий Сергеевич Попов, кандидат технических наук, старший научный сотрудник </p><p>190000, Санкт-Петербург, ул. Б. Морская, 42, 44 </p></bio><bio xml:lang="en"><p>Vitaliy S. Popov, Cand. Sci. (Engineering), Senior Researcher </p><p>42, 44 Bolshaya Morskaya Street, St. Petersburg 190000 </p></bio><email xlink:type="simple">v.popov@vir.nw.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/0000-0003-2938-1014</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Конарев</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Konarev</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Алексей Васильевич Конарев, доктор биологических наук, главный научный сотрудник </p><p>190000, Санкт-Петербург, ул. Б. Морская, 42, 44</p></bio><bio xml:lang="en"><p>Alexey V. Konarev, Dr. Sci. (Biology), Chief Researcher </p><p>42, 44 Bolshaya Morskaya Street, St. Petersburg 190000 </p></bio><email xlink:type="simple">a.konarev@vir.nw.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/0000-0002-3990-6526</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ковалева</surname><given-names>О. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Kovaleva</surname><given-names>O. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ольга Николаевна Ковалева, кандидат биологических наук, ведущий научный сотрудник </p><p>190000, Санкт-Петербург, ул. Б. Морская, 42, 44</p><p> </p></bio><bio xml:lang="en"><p>Olga N. Kovaleva, Cand. Sci. (Biology), Leading Researcher </p><p>42, 44 Bolshaya Morskaya Street, St. Petersburg 190000 </p></bio><email xlink:type="simple">o.kovaleva@vir.nw.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/0000-0002-4920-3904</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Конькова</surname><given-names>Н. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Konkova</surname><given-names>N. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нина Григорьевна Конькова, научный сотрудник </p><p>190000, Санкт-Петербург, ул. Б. Морская, 42, 44</p><p> </p></bio><bio xml:lang="en"><p>Nina G. Konkova, Researcher </p><p>42, 44 Bolshaya Morskaya Street, St. Petersburg 190000 </p></bio><email xlink:type="simple">ninakonkova.1@mail.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/0000-0003-2762-2777</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хорева</surname><given-names>В. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Khoreva</surname><given-names>V. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Валентина Ивановна Хорева, кандидат биологических наук, ведущий научный сотрудник </p><p>190000, Санкт-Петербург, ул. Б. Морская, 42, 44</p></bio><bio xml:lang="en"><p>Valentina I. Khoreva, Cand. Sci. (Biology), Leading Researcher </p><p>42, 44 Bolshaya Morskaya Street, St. Petersburg 190000 </p></bio><email xlink:type="simple">horeva43@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральный исследовательский центр Всероссийский институт генетических ресурсов растений имени Н.И. Вавилова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>N. I. Vavilov All-Russian Institute of Plant Genetic Resources</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>10</day><month>01</month><year>2024</year></pub-date><volume>184</volume><issue>4</issue><fpage>45</fpage><lpage>52</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Попов В.С., Конарев А.В., Ковалева О.Н., Конькова Н.Г., Хорева В.И., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Попов В.С., Конарев А.В., Ковалева О.Н., Конькова Н.Г., Хорева В.И.</copyright-holder><copyright-holder xml:lang="en">Popov V.S., Konarev A.V., Kovaleva O.N., Konkova N.G., Khoreva V.I.</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://elpub.vir.nw.ru/jour/article/view/1728">https://elpub.vir.nw.ru/jour/article/view/1728</self-uri><abstract><sec><title>Актуальность</title><p>Актуальность. Ячмень (Hordeum vulgare L.) является важным источником питательных веществ, таких как крахмал, белок и различные пищевые волокна. β-Глюканы представляют собой растворимые волокна, в большом количестве присутствующие в зерновках овса и ячменя; они вызывают все больший интерес благодаря своим функциональным и биологически активным свойствам. В связи с повышенным интересом к β-глюканам как к биологически активной добавке и функциональному компоненту пищи существует потребность в удобном, недорогом и доступном методе количественного определения данных веществ.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. В статье приводится обзор существующих методов определения и способов выделения β-глюканов из зерновых культур: ИК-спектроскопия, ферментативный , колориметрический , щелочно-ферментативный . Показаны их достоинства и недостатки. Среди недостатков рассмотренных методов необходимо отметить высокую стоимость реактивов и оборудования, длительность выполнения, трудоемкость.</p></sec><sec><title>Результаты</title><p>Результаты. В данном исследовании приводится разработка весового метода для выделения и количественного определения β-глюканов в зерне пленчатого и голозерного ячменя. За основу взят модифицированный и адаптированный для ячменя щелочной метод, разработанный нами ранее для овсяного зерна. Количество β-глюканов в зерне исследованных образцов ячменя составило от 4,12 ± 0,23% до 5,34 ± 0,31% для голозерных сортов и от 3,57 ± 0,18% до 4,29 ± 0,32 % для пленчатых.</p></sec><sec><title>Заключение</title><p>Заключение. На основе проведенного исследования подобраны оптимальные условия выделения и количественного определения β-глюканов в зерне ячменя: установлены режимы центрифугирования, температура и соотношение экстрагирующих веществ, их концентрация, порядок осаждения и сушки. Основным преимуществом описанного метода является его доступность и практичность при проведении массового анализа, в том числе при изучении коллекции зерновых культур.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Background</title><p>Background. Barley (Hordeum vulgare L.) is an important source of nutrients, such as starch, protein, and various dietary fibers. β-Glucans are soluble fibers found in high amounts in oat and barley grain, so they are becoming increasingly interesting due to their numerous functional and bioactive properties. The increased interest in β-glucans as a dietary supplement and a functional component of food calls for a convenient, inexpensive and affordable method for quantitative determination of these compounds.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. An overview is given on the existing techniques for determining and isolating β-glucans in cereals: IR spectroscopy, enzymatic, colorimetric, and alkaline-enzymatic methods. Their advantages and disadvantages are shown. The disadvantages of the methods considered include high costs of reagents and equipment, duration of performance, and labor intensity.</p></sec><sec><title>Results</title><p>Results. This study promotes the weight method for isolation and quantitative determination of β-glucans in the grain of covered and naked barley. It is based on the modified alkaline method adapted to barley; we developed it earlier for oat grain. The amount of β-glucans in the grain of the studied barley accessions ranged from 4.12±0.23% to 5.34 ± 0.31% for naked cultivars, and from 3.57 ± 0.18% to 4.29 ± 0.32% for covered ones.</p></sec><sec><title>Conclusion</title><p>Conclusion. Based on the conducted research, optimal conditions for the isolation and quantitative determination of β-glucans from barley grain were selected: centrifugation modes, temperature and extraction ratio, concentration of compounds, precipitation and drying procedures. The main advantage of the described method is its accessibility and practical applicability when conducting mass analysis, including studying a collection of cereal crops.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>β-глюканы</kwd><kwd>Hordeum vulgare  L.</kwd><kwd>некрахмальные полисахариды</kwd><kwd>голозерный ячмень</kwd><kwd>пленчатый ячмень</kwd><kwd>щелочной метод</kwd></kwd-group><kwd-group xml:lang="en"><kwd>β-glucans</kwd><kwd>Hordeum vulgare L.</kwd><kwd>nonstarch polysaccharides</kwd><kwd>naked barley</kwd><kwd>covered barley</kwd><kwd>alkaline method</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Статья подготовлена при поддержке Министерства науки и высшего образования РФ в соответствии с соглашением № 075-15-2020-911 от 16.11.2020 о предоставлении гранта в виде субсидий из федерального бюджета РФ. Грант предоставлен для государственной поддержки создания и развития Научного центра мирового уровня «Агротехнологии будущего». Авторы благодарят рецензентов за их вклад в экспертную оценку этой работы.</funding-statement><funding-statement xml:lang="en">The study was supported by the Ministry of Science and Higher Education of the Russian Federation under Agreement No. 075-15-2020-911 dated November 16, 2020, on providing a grant in the form of subsidies from the Federal Budget of the Russian Federation. The grant was provided as governmental support for the establishment and development of the World-Class Scientific Center “Agrotechnologies for the Future”. The authors thank the reviewers for their contribution to the peer review of this work.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Bechtel D.B., Abecassis J., Shewry P.R, Evers A.D. Development, structure, and mechanical properties of the wheat grain. In: P.R. Shewry, K. Khan (eds). 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