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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">10.53360/2788-7995-2024-2(14)-69</article-id><article-id custom-type="elpub" pub-id-type="custom">kaz44-986</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>ХИМИЧЕСКАЯ ТЕХНОЛОГИЯ (ОРИГИНАЛЬНАЯ СТАТЬЯ)</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CHEMICAL TECHNOLOGY (ORIGINAL ARTICLE)</subject></subj-group></article-categories><title-group><article-title>СКРИНИНГ ШТАММОВ, ПРОДУЦИРУЮЩИХ КСИЛАНАЗУ, И ЕГО ПРИМЕНЕНИЕ ПРИ ФЕРМЕНТАЦИИ ВЫСУШЕННЫХ В ДЫМОХОДЕ ТАБАЧНЫХ ЛИСТЬЕВ</article-title><trans-title-group xml:lang="en"><trans-title>SCREENING OF XYLANASE PRODUCING STRAINS AND ITS APPLICATION IN FLUE-CURED TOBACCO LEAF FERMENTATION</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>Ю</surname><given-names>Яо</given-names></name><name name-style="western" xml:lang="en"><surname>Yu</surname><given-names>Yao</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ю Яо – биология и медицина, аспирантура, исследования модуляции табака </p><p> Янлин 712100, Шэньси, Китай </p></bio><bio xml:lang="en"><p>Yu Yao – biology and medicine, postgraduate study</p><p>Yangling 712100, Shaanxi, China </p></bio><email xlink:type="simple">965622637@qq.com</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>Чжан</surname><given-names>Аоцзе</given-names></name><name name-style="western" xml:lang="en"><surname>Zhang</surname><given-names>Aojie</given-names></name></name-alternatives><bio xml:lang="ru"><p>Чжан Аоцзе – биология и медицина, аспирантура,  исследования в области модуляции табака </p><p> Янлин 712100, Шэньси, Китай </p></bio><bio xml:lang="en"><p>Zhang Aojie – biology and medicine, postgraduate study </p><p>Yangling 712100, Shaanxi, China </p></bio><email xlink:type="simple">564822176@qq.com</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>Чжан</surname><given-names>Лисинь</given-names></name><name name-style="western" xml:lang="en"><surname>Zhang</surname><given-names>Lixin</given-names></name></name-alternatives><bio xml:lang="ru"><p> Чжан Лисинь – профессор, научный руководитель PhD </p><p> Янлин 712100, Шэньси, Китай </p></bio><bio xml:lang="en"><p>Zhang Lixin – Professor, PhD Supervisor </p><p>Yangling 712100, Shaanxi, China </p></bio><email xlink:type="simple">zhanglixin@nwsuaf.edu.cn</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Колледж естественных наук, Северо-Западный университет сельского и лесного хозяйства<country>Китай</country></aff><aff xml:lang="en">College of Life Sciences, Northwest A&amp;F University<country>China</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>29</day><month>06</month><year>2024</year></pub-date><volume>1</volume><issue>2(14)</issue><fpage>578</fpage><lpage>589</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ю Я., Чжан А., Чжан Л., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Ю Я., Чжан А., Чжан Л.</copyright-holder><copyright-holder xml:lang="en">Yu Y., Zhang A., Zhang L.</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/986">https://tech.vestnik.shakarim.kz/jour/article/view/986</self-uri><abstract><p>В ходе этого экспериментального исследования был выведен штамм, продуцирующий ксиланазу, выделенную из табачного листа. С помощью основного метода скрининга штаммов и определения активности ксиланазы был предварительно идентифицирован штамм M416 с наивысшей ферментативной активностью, и M416 был A. niger, фермент обладает биологической безопасностью и может быть использован в процессе ферментации табака, высушенного в дымоходе. Условия ферментации были оптимизированы путем встряхивания культуры в колбе, в результате чего была получена наилучшая рецептура производства ксиланазы из A. были получены niger и оптимальная температура культивирования, рН, количество инокулята и время культивирования. При оптимальных условиях ферментации и получения аромата штамм равномерно распыляют на поверхность табачного листа, чтобы определить изменения состава и содержания ароматических веществ в процессе ферментации и оценить влияние ксиланазы, продуцирующей нигер, на ароматическую композицию в процессе ферментации табачного листа, что показывает, что штамм может эффективно увеличивать содержание ароматических веществ.</p></abstract><trans-abstract xml:lang="en"><p>In this experimental study, a strain producing xylanase extracted from tobacco leaf was developed. Through the basic strain screening method and xylanase activity determination, strain M416 with the highest enzyme activity was preliminarily identified and M416 was A. niger, the enzyme has biological safety and can be used in the fermentation process of flue-cured tobacco. The fermentation conditions were optimized by shaking the flask culture, in which the best formulation of xylanase production from A. niger and the optimal culture temperature, pH, inoculum amount and culture time were obtained. Under the optimal fermentation and aroma production conditions, the strain are evenly sprayed to the surface of tobacco leaf to determine the changes of the composition and content of aroma substances in the fermentation process, and evaluate the influence of xylanase producing niger on the aroma composition in the process of tobacco leaf fermentation, which shows that the strain can effectively increase the content of aroma substances.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>ксиланаза</kwd><kwd>скрининг</kwd><kwd>идентификация</kwd><kwd>оптимизация</kwd><kwd>ароматические вещества</kwd><kwd>ферментация и производство аромата</kwd></kwd-group><kwd-group xml:lang="en"><kwd>xylanase</kwd><kwd>screening</kwd><kwd>identification</kwd><kwd>optimization</kwd><kwd>aroma substances</kwd><kwd>fermentation and aroma production</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">Sharma A.K., Sharma M.K. 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