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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">kaz44</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Университета Шакарима. Серия технические науки</journal-title><trans-title-group xml:lang="en"><trans-title>Bulletin of Shakarim University. Technical Sciences</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2788-7995</issn><issn pub-type="epub">3006-0524</issn><publisher><publisher-name>«Шәкәрім университеті» КеАҚ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.53360/2788-7995-2025-3(19)-40</article-id><article-id custom-type="elpub" pub-id-type="custom">kaz44-1822</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>ПИЩЕВАЯ ИНЖЕНЕРИЯ И БИОТЕХНОЛОГИЯ (ОРИГИНАЛЬНАЯ СТАТЬЯ)</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>FOOD ENGINEERING AND BIOTECHNOLOGY (ORIGINAL ARTICLE)</subject></subj-group></article-categories><title-group><article-title>ФИЗИКО-ХИМИЧЕСКИЕ СВОЙСТВА И АНТИМИКРОБНАЯ АКТИВНОСТЬ ХИТОЗАНА ИЗ РАЗЛИЧНЫХ ПРИРОДНЫХ ИСТОЧНИКОВ ДЛЯ ИСПОЛЬЗОВАНИЯ В ПИЩЕВОЙ ПРОМЫШЛЕННОСТИ</article-title><trans-title-group xml:lang="en"><trans-title>PHYSICOCHEMICAL PROPERTIES AND ANTIMICROBIAL ACTIVITY OF CHITOSAN FROM VARIOUS NATURAL SOURCES FOR USE IN THE FOOD INDUSTRY</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Абдуллаев</surname><given-names>Ф. Т.</given-names></name><name name-style="western" xml:lang="en"><surname>Abdullayev</surname><given-names>F. T.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Фазилжон Турсунович Абдуллаев – кандидат химических наук, профессор кафедры «Биохимия и физиология»</p><p>Республика Узбекистан, Ташкентская область, Кибрайский район, ул. Университетская, 2</p></bio><bio xml:lang="en"><p>Fazilzhon Tursunovich Abdullaev – Candidate of Chemical Sciences, Professor of the Department of Biochemistry and Physiology </p><p>Republic of Uzbekistan, Tashkent region, Kibray district, Universitetskaya street, 2</p><p> </p></bio><email xlink:type="simple">net@mail.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>Шингисов</surname><given-names>А. У.</given-names></name><name name-style="western" xml:lang="en"><surname>Shengisov</surname><given-names>A. U.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Азрет Утебаевич Шингисов – доктор технических наук, профессор кафедры «Технология и безопасность продовольственных продуктов»</p><p>Республика Казахстан, г. Шымкент, просп. Тауке хана, 5 </p><p> </p></bio><bio xml:lang="en"><p>Azret Utebaevich Shengisov – Doctor of Technical Sciences, Professor of the Department «Technology and safety of food products»</p><p>Republic of Kazakhstan, Shymkent, ave. Tauke Khana, 5 </p></bio><email xlink:type="simple">net@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Азизов</surname><given-names>А. Ш.</given-names></name><name name-style="western" xml:lang="en"><surname>Azizov</surname><given-names>A. Sh.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Актам Шарипович Азизов – доктор сельскохозяйственных наук, профессор кафедры «Хранение и переработка сельскохозяйственных продуктов»,</p><p> Республика Узбекистан, Ташкентская область, Кибрайский район, ул. Университетская, 2 </p></bio><bio xml:lang="en"><p>Aktam Sharipovich Azizov – Doctor of Agricultural Sciences, Professor of the Department of Storage and Processing of Agricultural Products</p><p>Republic of Uzbekistan, Tashkent region, Kibray district, Universitetskaya street, 2</p></bio><email xlink:type="simple">net@mail.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>Дубовик</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Dubovik</surname><given-names>T. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Татьяна Владимировна Дубовик – преподаватель кафедры «Общая экология и экономика»; Филиал</p><p> Ташкентская область, Кибрайский район, ул. Университетская, 2 </p></bio><bio xml:lang="en"><p>Tatyana Vladimirovna Dubovik – Senior Lecturer of the Department of General Ecology and Economics</p><p>Tashkent region, Kibray district, Universitetskaya street, 2</p></bio><email xlink:type="simple">dubovik_tatyana@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Ташкентский государственный аграрный университет<country>Узбекистан</country></aff><aff xml:lang="en">Tashkent state agrarian University<country>Uzbekistan</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Южно-Казахстанский государственный университет им.&#13;
М. Ауезова<country>Казахстан</country></aff><aff xml:lang="en">South Kazakhstan State University named after. M. Auezova<country>Kazakhstan</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru">ФГБОУ ВО «Астраханский государственный технический университет» в Ташкентской области Республики Узбекистан<country>Узбекистан</country></aff><aff xml:lang="en">Branch of the Federal State Budgetary Educational Institution of Higher Education “Astrakhan State Technical University” in the Tashkent region of the Republic of Uzbekistan<country>Uzbekistan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>03</day><month>11</month><year>2025</year></pub-date><volume>0</volume><issue>3(19)</issue><fpage>349</fpage><lpage>355</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Абдуллаев Ф.Т., Шингисов А.У., Азизов А.Ш., Дубовик Т.В., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Абдуллаев Ф.Т., Шингисов А.У., Азизов А.Ш., Дубовик Т.В.</copyright-holder><copyright-holder xml:lang="en">Abdullayev F.T., Shengisov A.U., Azizov A.S., Dubovik T.V.</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://tech.vestnik.shakarim.kz/jour/article/view/1822">https://tech.vestnik.shakarim.kz/jour/article/view/1822</self-uri><abstract><p>В статье авторами приведены результаты исследований по синтезу хитозана из различных источников сырья, их молекулярно-массовые, физико-химические характеристики, а также изучены сферы их применения в различных отраслях. Показано, что применение хитозана и его производных в отраслях пищевой промышленности в качестве упаковочных материалов, способствует сохранению свежести продуктов питания и увеличению их сроков хранения при проявлении хитозаном высоких антибактериальных и антимикробных свойств. Это особенно важно для продуктов с коротким сроком хранения, таких, как мясо, рыба, молочные продукты, а также свежие фрукты и овощи. Применение хитозана в качестве пищевых добавок в продукты питания улучшает качество и усваиваемость продукции организмом человека, увеличивает их антиоксидантные свойства. Хитозановые добавки из-за своих антибакриальной и антимикробной активности помогают в снижении уровня холестерина в крови, улучшению обмена веществ и являются безопасными для здоровья человека. Способность хитозана связывать жиры в желудочно-кишечном тракте предотвращает сердечно-сосудистые заболевания. Антиоксидантные свойства хитозана защищают организм от свободных радикалов, снижают уровень липидов и поддерживают нормальное состояние клеток организма.</p></abstract><trans-abstract xml:lang="en"><p>In the article the authors present the results of research on the synthesis of chitosan from various sources of raw materials, their molecular weight, physicochemical characteristics, as well as studied their applications in various industries. It is shown that the use of chitosan and its derivatives in food industries as packaging materials contributes to the preservation of freshness of food products and increasing their shelf life when chitosan exhibits high antibacterial and antimicrobial properties. This is especially important for products with short shelf life, such as meat, fish, dairy products, and fresh fruits and vegetables. The use of chitosan as food additives in foods improves the quality and digestibility of products by the human body, and increases their antioxidant properties. Chitosan additives because of their antibacterial and antimicrobial activity help in lowering blood cholesterol levels, improving metabolism and are safe for human health. The ability of chitosan to bind fats in the gastrointestinal tract prevents cardiovascular diseases. Chitosan's antioxidant properties protect the body from free radicals, lower lipid levels, and maintain normal body cells.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>хитин</kwd><kwd>хитозан</kwd><kwd>природный полисахарид</kwd><kwd>ракообразные</kwd><kwd>пчелиный подмор</kwd><kwd>грибы</kwd><kwd>куколки тутового шелкопряда</kwd><kwd>диацетилирование</kwd><kwd>антимикробная и  антибактериальная активность</kwd><kwd>биосовместимость и биодеградация</kwd></kwd-group><kwd-group xml:lang="en"><kwd>chitin</kwd><kwd>chitosan</kwd><kwd>natural polysaccharide</kwd><kwd>crustaceans</kwd><kwd>bee subpestilence</kwd><kwd>fungi</kwd><kwd>mulberry pupae</kwd><kwd>diacetylation</kwd><kwd>antimicrobial and antibacterial activity</kwd><kwd>biocompatibility and biodegradation</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">Vasil'eva I.V. 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