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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.2024.4.539</article-id><article-id custom-type="elpub" pub-id-type="custom">spfp-539</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>ФИЗИЧЕСКИЕ И ХИМИЧЕСКИЕ МЕТОДЫ ПЕРЕРАБОТКИ СЕЛЬХОЗПРОДУКЦИИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PHYSICAL AND CHEMICAL METHODS OF FARM RAW MATERIAL PROCESSING</subject></subj-group></article-categories><title-group><article-title>Корректировка липидного статуса животного сырья</article-title><trans-title-group xml:lang="en"><trans-title>Adjustment of the Lipid Status of Animal Raw Materials</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6557-2697</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Иванкин</surname><given-names>Андрей Николаевич</given-names></name><name name-style="western" xml:lang="en"><surname>Ivankin</surname><given-names>Andrey N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.х.н., профессор, академик МАН ВШ, кафедра химии и химических технологий МГТУ им. Н.Э. Баумана (Мытищинский ф-л)</p></bio><email xlink:type="simple">aivankin@inbox.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Веревкин</surname><given-names>Алексей Николпевич</given-names></name><name name-style="western" xml:lang="en"><surname>Verevkin</surname><given-names>Alexey N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.х.н., доцент, кафедра химии и химических технологий</p></bio><email xlink:type="simple">verevkin@mgul.ac.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>МГТУ им. Н.Э. Баумана</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Bauman Moscow State Technical University (National Research University)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>30</day><month>12</month><year>2024</year></pub-date><volume>32</volume><issue>4</issue><fpage>18</fpage><lpage>32</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Иванкин А.Н., Веревкин А.Н., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Иванкин А.Н., Веревкин А.Н.</copyright-holder><copyright-holder xml:lang="en">Ivankin A.N., Verevkin A.N.</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/539">https://www.spfp-mgupp.ru/jour/article/view/539</self-uri><abstract><sec><title>Введение</title><p>Введение: Липидный состав жирового сырья животного происхождения играет ключевую роль в создании сбалансированных кормов для сельскохозяйственных животных. Однако природные жиры часто не соответствуют требованиям по содержанию жирных кислот, что ограничивает их использование в кормовых композициях. Несмотря на достижения в области биотехнологической переработки жиров, остается недостаточно изученным вопрос применения ферментативных методов для корректировки их липидного состава.</p></sec><sec><title>Цель</title><p>Цель: Разработка методологии переэтерификации жирового сырья для получения липидных композиций с измененным жирнокислотным составом, пригодных для использования в рецептурах кормов для сельскохозяйственных животных.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы: Объектами исследования выступали жировые отходы мясокомбинатов, нутряной свиной жир и костный жир крупного рогатого скота. Переэтерификация проводилась в присутствии рыбьего жира. Контролировались дисперсность системы и жирнокислотный состав. Методология включала совмещение жировых компонентов с ферментами, их нагревание и механическое или ультразвуковое диспергирование для повышения эффективности переработки.</p></sec><sec><title>Результаты</title><p>Результаты: Было определено содержание основных жирных кислот в исходном сырье и полупродуктах. Получены эмульсии с размером липидных частиц 0,1–200 мкм. Установлены оптимальные условия ферментативной обработки: концентрация субстрата 300–350 г/л, температура 60 ± 2 °С, рН 5,0; ферментная активность 500 ед/л, термическая активация фермента – 20 мин при 60 °С. Гидролизаты, полученные в ходе исследования, могут быть использованы для улучшения кормовой базы.</p></sec><sec><title>Выводы</title><p>Выводы: Разработанная методология переработки жирового сырья позволяет эффективно трансформировать как природные жиры, так и отходы мясоперерабатывающих предприятий в высокодисперсную биомассу. Определены оптимальные условия ферментативной обработки, что обеспечивает возможность создания сбалансированных липидных компонентов для производства кормов.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction: The lipid composition of animal-derived fat raw materials plays a critical role in formulating balanced feeds for livestock. However, natural fats often fail to meet the required fatty acid profile, limiting their application in feed formulations. Despite advancements in the biotechnological processing of fats, the use of enzymatic methods to modify their lipid composition remains insufficiently explored.</p></sec><sec><title>Purpose</title><p>Purpose: To develop a methodology for the transesterification of fat raw materials to obtain lipid compositions with a modified fatty acid profile suitable for livestock feed formulations.</p></sec><sec><title>Materials and Methods</title><p>Materials and Methods: The study focused on fat waste from meat processing plants, pork lard, and cattle bone fat. Transesterification was performed in the presence of fish oil. The system's dispersity and fatty acid composition were monitored. The methodology involved combining fat components with enzymes, heating, and mechanical or ultrasonic dispersion to enhance processing efficiency.</p></sec><sec><title>Results</title><p>Results: The content of major fatty acids in raw materials and intermediate products was determined. Emulsions with lipid particle sizes ranging from 0.1 to 200 µm were obtained. Optimal conditions for enzymatic processing were established: substrate concentration of 300–350 g/L, temperature of 60 ± 2 °C, pH of 5.0; enzyme activity of 500 U/L, and thermal activation of the enzyme for 20 minutes at 60 °C. The resulting hydrolysates are potential products for improving livestock feed bases.</p></sec><sec><title>Conclusion</title><p>Conclusion: The developed methodology for processing fat raw materials enables the efficient transformation of both natural animal fats and difficult-to-process fat waste from meat processing plants into highly dispersed biomass. Optimal conditions for enzymatic processing were determined, ensuring the creation of balanced lipid components for feed production.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>коррекция липидного состава жирового сырья</kwd><kwd>переэтерификация жиров</kwd><kwd>ферментативные методы обработки жиров</kwd><kwd>жировые отходы мясопереработки</kwd><kwd>кормовые композиции для сельскохозяйственных животных</kwd><kwd>жирнокислотный профиль липидных композиций</kwd><kwd>биотехнологическая переработка жирового сырья</kwd><kwd>ультразвуковая обработка липидов</kwd><kwd>ферментативная активность липаз</kwd></kwd-group><kwd-group xml:lang="en"><kwd>adjustment of the lipid composition of fat raw materials</kwd><kwd>transesterification of fats</kwd><kwd>enzymatic methods for fat processing</kwd><kwd>fat waste from meat processing</kwd><kwd>feed compositions for livestock</kwd><kwd>fatty acid profile of lipid compositions</kwd><kwd>biotechnological processing of fat raw materials</kwd><kwd>ultrasonic treatment of lipids</kwd><kwd>enzymatic activity of lipases</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Московский государственный технический университет (национальный исследовательский университет) им. 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