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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">foodsyst</journal-id><journal-title-group><journal-title xml:lang="en">Food systems</journal-title><trans-title-group xml:lang="ru"><trans-title>Пищевые системы</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2618-9771</issn><issn pub-type="epub">2618-7272</issn><publisher><publisher-name>Федеральный научный центр пищевых систем им. В.М. Горбатова РАН</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21323/2618-9771-2020-4-2-97-105</article-id><article-id custom-type="elpub" pub-id-type="custom">foodsyst-109</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>Saline extraction as a method of obtaining a mixture of biologically active compounds of protein nature from a porcine pancreas</article-title><trans-title-group xml:lang="ru"><trans-title>Водно-солевая экстракция как метод получения смеси биологически активных соединений белковой природы из поджелудочной железы свиньи</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4752-3939</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Василевская</surname><given-names>Е. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Vasilevskaya</surname><given-names>E. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Василевская Екатерина Романовна — кандидат технических наук, научный сотрудник, экспериментальная клиника — лаборатория биологически активных веществ</p><p>109316, г. Москва, ул. Талалихина, 26 </p></bio><bio xml:lang="en"><p>Ekaterina R. Vasilevskaya — candidate of technical sciences, researcher, Experimental clinic-laboratory of biologically active substances of animal origin</p><p>26, Talalikhina str., 109316, Moscow</p></bio><email xlink:type="simple">e.vasilevskaya@fncps.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/0000-0002-6886-496X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Арюзина</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Aryuzina</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Арюзина Марина Александровна — старший лаборант, экспериментальная клиника -лаборатория биологически активных веществ</p><p>109316, г. Москва, ул. Талалихина, 26 </p></bio><bio xml:lang="en"><p>Marina A.  Aryuzina — senior laboratory assistant, Experimental cliniclaboratory of biologically active substances of animal origin</p><p>26, Talalikhina str., 109316, Moscow</p></bio><email xlink:type="simple">m.aryuzina@fncps.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/0000-0003-2219-5964</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ветрова</surname><given-names>Е. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Vetrova</surname><given-names>E. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ветрова Евгения Сергеевна — старший лаборант, экспериментальная клиника — лаборатория биологически активных веществ</p><p>109316, г. Москва, ул. Талалихина, 26 </p></bio><bio xml:lang="en"><p>Evgeniya S.  Vetrova — senior laboratory assistant, Experimental cliniclaboratory of biologically active substances of animal origin</p><p>26, Talalikhina str., 109316, Moscow</p></bio><email xlink:type="simple">e.vetrova@fncps.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральный научный центр пищевых систем им. В. М. Горбатова Российской академии наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>V. M. Gorbatov Federal Research Center for Food Systems of Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>22</day><month>07</month><year>2021</year></pub-date><volume>4</volume><issue>2</issue><fpage>97</fpage><lpage>105</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Vasilevskaya E.R., Aryuzina M.A., Vetrova E.S., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Василевская Е.Р., Арюзина М.А., Ветрова Е.С.</copyright-holder><copyright-holder xml:lang="en">Vasilevskaya E.R., Aryuzina M.A., Vetrova E.S.</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.fsjour.com/jour/article/view/109">https://www.fsjour.com/jour/article/view/109</self-uri><abstract><p>A relevant solution to the problem of processing meat industry waste in Russia is to obtain useful biologically active compounds from abundant organs. The aim of this study was to examine the effectiveness of the saline extraction as a method for extracting a mixture of promising biologically active compounds from the porcine pancreas, as well as to determine the optimal time for the process. The study consisted of extraction of the porcine pancreas with 0,9% sodium chloride solution for 5 h 30 min with further determination of the total protein concentration and proteomic profile of the samples taken throughout the process. Based on the analysis of the dependence of the total protein content in the extractant on time, the optimal extraction time was determined to be 135–150 minutes. When studying the results of electrophoresis and the data of their processing, the optimal extraction time for the targeted isolation of the low-molecular fraction of compounds was also determined to be 90 min. At the same time, 13 protein bands with a molecular weight of 52 kDa and below were found on the electropherograms. Saline should be considered applicable for obtaining extracts rich in biologically active substances, incl. hormones, enzymes and other physiologically active compounds.</p></abstract><trans-abstract xml:lang="ru"><p>Актуальным решением проблемы переработки отходов мясной промышленности в России является получение полезных биологически активных соединений из богатых ими органов. Целью настоящего исследования было изучение эффективности метода экстракции физиологическим раствором как способа извлечения смеси перспективных биологически активных соединений из поджелудочной железы свиньи, а также определение оптимального времени процесса. Исследование заключалось в проведении экстракции поджелудочной железы 0,9% раствором натрия хлорида в течение 5 ч 30 мин с дальнейшим определением общей концентрации белка биуретовым методом. Также получен протеомный профиль образцов, отбираемых на протяжении всего процесса, методом одномерного денатурирующего электрофореза по Лэммли в 12,5% полиакриламидном геле. На основе анализа зависимости содержания общего белка в экстрагенте от времени определено оптимальное время экстракции, которое составило 135–150 мин. По результатам электрофореза и данных биоинформационного анализа оптимальное время экстракции для целенаправленного выделения низкомолекулярной фракции соединений составляло 90 мин. На электрофореграммах обнаружены 13 белковых полос с молекулярной массой 52 кДа и ниже. Таким образом, 0,9% раствор натрия хлорида применим для получения экстрактов, богатых биоактивными веществами, в том числе гормонами, ферментами и другими физиологически активными соединениями.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>побочное сырье</kwd><kwd>извлечение биомолекул</kwd><kwd>биоактивные вещества</kwd><kwd>электрофорез</kwd></kwd-group><kwd-group xml:lang="en"><kwd>by-product raw materials</kwd><kwd>extraction of biomolecules</kwd><kwd>bioactive compounds</kwd><kwd>electrophoresis</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Статья подготовлена в рамках выполнения исследований по Государственному заданию № FNEN 2019–0008 Федерального научного центра пищевых систем им. В. М. Горбатова Российской академии наук</funding-statement><funding-statement xml:lang="en">The article was published as part of the research topic No. FNEN 2019–0008 of the state assignment of the V. M. 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