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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">zhps</journal-id><journal-title-group><journal-title xml:lang="ru">Журнал прикладной спектроскопии</journal-title><trans-title-group xml:lang="en"><trans-title>Zhurnal Prikladnoii Spektroskopii</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0514-7506</issn><publisher><publisher-name>B. I. Stepanov Institute of Physics of the National Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">zhps-2354</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>АННОТАЦИИ АНГЛОЯЗЫЧНЫХ СТАТЕЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ABSTRACTS ENGLISH-LANGUAGE ARTICLES</subject></subj-group></article-categories><title-group><article-title>Анализ методом ИК-спектроскопии экстрактов Aquilaria malaccensis, полученных с использованием различных экстрагентов</article-title><trans-title-group xml:lang="en"><trans-title>FTIR Analysis of Aquilaria malaccensis Plant and Callus Extracts Obtained with Various Extraction Fluidsa</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>Kings</surname><given-names>M. M.</given-names></name><name name-style="western" xml:lang="en"><surname>Kings</surname><given-names>M. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ченнаи </p></bio><bio xml:lang="en"><p>Chennai </p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Jeyabaskaran</surname><given-names>A.</given-names></name><name name-style="western" xml:lang="en"><surname>Jeyabaskaran</surname><given-names>A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ченнаи </p></bio><bio xml:lang="en"><p>Chennai </p></bio><email xlink:type="simple">amalarmathi@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Колледж Стелла Марис (автономный)</institution><country>Индия</country></aff><aff xml:lang="en"><institution>Department of Biotechnology, Stella Maris College (Autonomous)</institution><country>India</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>08</day><month>09</month><year>2026</year></pub-date><volume>93</volume><issue>4</issue><fpage>574</fpage><lpage>6</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Kings M., Jeyabaskaran A., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Kings M., Jeyabaskaran A.</copyright-holder><copyright-holder xml:lang="en">Kings M., Jeyabaskaran A.</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://zhps.ejournal.by/jour/article/view/2354">https://zhps.ejournal.by/jour/article/view/2354</self-uri><abstract><p>Представлен метод получения метаболитов агарового дерева (Aquilaria malaccensis) с использованием стандартизированного протокола пролиферации каллуса in vitro и спектрального профилирования методом ИК-спектроскопии с использованием растворителей. ИК-спектроскопический анализ позволил идентифицировать функциональные группы в экстрактах этанола, метанола, этилацетата, ацетона и петролейного эфира как из растений in vivo, так и из каллуса in vitro. Экстракты каллуса демонстрируют более высокую интенсивность и разнообразие функциональных групп, связанных с сесквитерпеноидами. В спектрах этанольных и метанольных экстрактов из обоих источников наблюдаются сильные колебания O-H и N-H (3366 и 3400 см⁻1), в то время как экстракты каллуса показали уникальные пики C=O (1076 см⁻1), C=N (1076 см⁻1) и C=C=C (1956 см⁻1), указывающие на окисленные и азотистые сесквитерпеноиды. Экстракты этилацетата и петролейного эфира демонстрируют сильные колебания растяжения и изгиба C-H-связей при 2920, 1460 и 778 см⁻1, характерные для длинных углеводородных цепей в смолистых соединениях. Экстракты этилацетата из каллуса также показали наличие азотсодержащих и ароматических сесквитерпеноидов. Экстракты ацетона выявили ароматические и аминосодержащие пики при 1509, 1400 и 1056 см⁻1. Эти результаты подчеркивают повышенный биосинтетический потенциал культур каллуса. Такой подход снижает зависимость от диких популяций, сохраняет биохимическую целостность продукта и предлагает экологически чистую альтернативу для фармацевтического применения.</p></abstract><trans-abstract xml:lang="en"><p>Aquilaria malaccensis, a highly endangered species valued for its fragrant resin, faces significant threats from over-harvesting. This study presents a conservation-oriented method for producing agarwood metabolites using a standardised in vitro callus proliferation protocol and solvent-based FTIR spectral profiling. FTIR analysis identified functional groups in ethanol, methanol, ethyl acetate, acetone, and petroleum ether extracts from both in vivo plants and in vitro callus. Callus extracts exhibited higher intensity and a greater diversity of sesquiterpenoid-related functional groups. Ethanolic and methanolic extracts from both sources exhibited strong O-H and N-H stretches (3366 and 3400 cm–1), while callus extracts displayed unique peaks such as C=O (1076 cm–1), C=N (1076 cm–1), and C=C=C (1956 cm–1), indicating oxidised and nitrogenous sesquiterpenoids. Ethyl acetate and petroleum ether extracts demonstrated strong C-H stretching and bending vibrations at 2920, 1460, and 778 cm–1, characteristic of long hydrocarbon chains in resinous compounds. Notably, ethyl acetate extracts from callus also indicated nitrogenous and aromatic sesquiterpenoids. Acetone extracts revealed aromatic and amine-related peaks at 1509, 1400, and 1056 cm–1. These findings highlight the enhanced biosynthetic potential of callus cultures. This approach reduces reliance on wild populations, preserves the product’s biochemical integrity, and offers an eco-friendly alternative for pharmaceutical applications.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Aquilaria malaccensis</kwd><kwd>агаровое дерево</kwd><kwd>ИК-спектроскопия</kwd><kwd>сесквитерпеноиды</kwd><kwd>гормоны роста</kwd><kwd>каллус</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Aquilaria malaccensis</kwd><kwd>fragrant resin</kwd><kwd>FTIR spectroscopy</kwd><kwd>sesquiterpenoids</kwd><kwd>growth hormones</kwd><kwd>callus</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">X. Chen, C. Wang, Q. He, J. Feng, D. Chen, J. Wei, Y. Liu, Molecules, 27, No. 14 (2022), https://doi.org/10.3390/molecules27144528.</mixed-citation><mixed-citation xml:lang="en">X. Chen, C. Wang, Q. He, J. Feng, D. Chen, J. Wei, Y. 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