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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">tinro</journal-id><journal-title-group><journal-title xml:lang="ru">Известия ТИНРО</journal-title><trans-title-group xml:lang="en"><trans-title>Izvestiya TINRO</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1606-9919</issn><issn pub-type="epub">2658-5510</issn><publisher><publisher-name>ТИНРО</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.26428/1606-9919-2022-202-946-956</article-id><article-id custom-type="elpub" pub-id-type="custom">tinro-791</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>ТЕХНОЛОГИЯ ОБРАБОТКИ ГИДРОБИОНТОВ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>TECHNOLOGY FOR PROCESSING OF AQUATIC ORGANISMS,</subject></subj-group></article-categories><title-group><article-title>Характеристика сульфатированных гликозаминогликанов хрящевой ткани скатов и осетров</article-title><trans-title-group xml:lang="en"><trans-title>Characteristics of sulfated glycosaminoglycans in the cartilage tissue of skate and sturgeon</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5643-3601</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чепкасова</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Chepkasova</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Чепкасова Анна Ивановна, кандидат технических наук, ведущий специалист</p><p>690091, г. Владивосток, пер. Шевченко, 4</p></bio><bio xml:lang="en"><p>Anna I. Chepkasova - Ph.D., leading specialist</p><p>690091, Vladivostok, Shevchenko Alley, 4</p></bio><email xlink:type="simple">chepkasova@tinro-center.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/0000-0002-3228-3047</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Слуцкая</surname><given-names>Т. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Slutskaya</surname><given-names>T. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Слуцкая Татьяна Ноевна, доктор технических наук, профессор, главный научный сотрудник</p><p>690091, г. Владивосток, пер. Шевченко, 4</p></bio><bio xml:lang="en"><p>Tatiana N. Slutskaya - D.Tech., professor, principal researcher</p><p>690091, Vladivostok, Shevchenko Alley, 4</p></bio><email xlink:type="simple">slutskaya@tinro-center.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/0000-0001-8508-9603</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Караулова</surname><given-names>Е. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Karaulova</surname><given-names>E. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Караулова Екатерина Павловна, кандидат технических наук, ведущий научный сотрудник</p><p>690091, г. Владивосток, пер. Шевченко, 4</p></bio><bio xml:lang="en"><p>Ekaterina P. Karaulova - Ph.D., leading researcher</p><p>690091, Vladivostok, Shevchenko Alley, 4</p></bio><email xlink:type="simple">karaulova2002@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Тихоокеанский филиал ВНИРО (ТИНРО)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Pacific branch of VNIRO (TINRO)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>31</day><month>12</month><year>2022</year></pub-date><volume>202</volume><issue>4</issue><fpage>946</fpage><lpage>956</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Чепкасова А.И., Слуцкая Т.Н., Караулова Е.П., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Чепкасова А.И., Слуцкая Т.Н., Караулова Е.П.</copyright-holder><copyright-holder xml:lang="en">Chepkasova A.I., Slutskaya T.N., Karaulova E.P.</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://izvestiya.tinro-center.ru/jour/article/view/791">https://izvestiya.tinro-center.ru/jour/article/view/791</self-uri><abstract><p>Из хрящевой ткани ската и осетра (калуги) получены сульфатированные гликозаминогликаны (ГАГ) — хондроитинсульфаты — при следующих условиях: гидротермическая обработка сырья при 50 оС; гидролиз протеолитическим ферментом (гидромодуль 1 : 1; температура 45 оС; длительность 4 ч), последовательное осаждение ГАГ спиртом (2–3 объемами этилового спирта (96о) с высаливанием 2 %-ным раствором хлорида натрия. В полученных образцах определено содержание гексозаминов и сульфатированных ГАГ: установлено, что ГАГ из ската и калуги отличаются высоким содержанием сульфатированных форм, сравнимым с коммерческим препаратом, что открывает перспективы разработки технологии получения из отходов при разделке этих объектов монокомпонентных биологически активных добавок хондропротекторного действия.</p></abstract><trans-abstract xml:lang="en"><p>Sulfated glycosaminoglycans (GAGs) or chondroitin sulfates were obtained from the cartilage tissue of skate (indefinite species) and sturgeon (kaluga) under the processes of hydrothermal treatment of raw materials at 50 оC, then hydrolysis with proteolytic enzyme in 4 hours under temperature 45 оC (hydromodulus 1 : 1), then sequential precipitation of GAGs in 2–3 volumes of 96о  ethyl alcohol and salting out with 2 % sodium chloride solution. The content of hexosamines and sulfated GAGs was determined in the extracted samples. GAGs of both skate and sturgeon have a high content of sulfated forms, comparable to commercial preparations, that opens up prospects for development of technology for production of monocomponent biologically active additives of chondroprotective action from the wastes of skates and sturgeons processing.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>скат</kwd><kwd>калуга</kwd><kwd>хрящевая ткань</kwd><kwd>хондроининсульфат</kwd><kwd>гликозаминогилканы</kwd><kwd>сульфатированные гликозаминогликаны</kwd><kwd>гексозамины</kwd><kwd>хондропротекторы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>skate</kwd><kwd>kaluga</kwd><kwd>cartilage tissue</kwd><kwd>chondroitin sulfate</kwd><kwd>glycosaminoglycans</kwd><kwd>sulfated glycosaminoglycans</kwd><kwd>hexosamines</kwd><kwd>chondroprotector</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Коллектив авторов выражает глубокую благодарность сотрудникам Лучегорской НИС (ТИНРО), предоставившим образцы калуги для исследования.</funding-statement><funding-statement xml:lang="en">The authors are deeply grateful to the staff of Luchegorsk research station of TINRO for the samples of kaluga tissues for the investigation.</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">Гармашов С.Ю. 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