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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">vuzbiochemi</journal-id><journal-title-group><journal-title xml:lang="ru">Известия вузов. Прикладная химия и биотехнология</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of Universities. Applied Chemistry and Biotechnology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2227-2925</issn><issn pub-type="epub">2500-1558</issn><publisher><publisher-name>ИРНИТУ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21285/achb.1012</article-id><article-id custom-type="edn" pub-id-type="custom">PGTOYI</article-id><article-id custom-type="elpub" pub-id-type="custom">vuzbiochemi-1573</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>ФИЗИКО-ХИМИЧЕСКАЯ БИОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PHYSICOCHEMICAL BIOLOGY</subject></subj-group></article-categories><title-group><article-title>Оценка биологического потенциала водных экстрактов древесных отходов с использованием ультрафиолетовой/видимой спектроскопии и тест-объектов</article-title><trans-title-group xml:lang="en"><trans-title>Biological potential assessment of aqueous wood-waste extracts using ultraviolet/visible spectroscopy and test objects</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0004-4729-9019</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Новиков</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Novikov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Новиков Артём Владимирович, аспирант</p><p>664003, г. Иркутск, ул. Карла Маркса, 1</p></bio><bio xml:lang="en"><p>Artem V. Novikov, Postgraduate Student</p><p>1, Karl Marx St., Irkutsk, 664003</p></bio><email xlink:type="simple">artem.ru88@mail.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/0000-0002-0724-8565</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Приставка</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Pristavka</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Приставка Алексей Александрович, к.б.н., доцент</p><p>664003, г. Иркутск, ул. Карла Маркса, 1</p></bio><bio xml:lang="en"><p>Alexey A. Pristavka, Cand. Sci. (Biology), Associate Professor</p><p>1, Karl Marx St., Irkutsk, 664003</p></bio><email xlink:type="simple">pristavk@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2278-2990</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Михайленко</surname><given-names>В. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Mikhailenko</surname><given-names>V. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Михайленко Валентина Львовна, к.х.н., доцент</p><p>664003, г. Иркутск, ул. Карла Маркса, 1</p></bio><bio xml:lang="en"><p>Valentina L. Mikhailenko, Cand. Sci. (Chemistry), Associate Professor</p><p>1, Karl Marx St., Irkutsk, 664003</p></bio><email xlink:type="simple">mival63@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0003-7310-4847</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ефременко</surname><given-names>З. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Efremenko</surname><given-names>Z. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ефременко Зинаида Александровна, аспирант</p><p>664003, г. Иркутск, ул. Карла Маркса, 1</p></bio><bio xml:lang="en"><p>Zinaida A. Efremenko, Postgraduate Student</p><p>1, Karl Marx St., Irkutsk, 664003</p></bio><email xlink:type="simple">makar.efremenko@mail.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/0009-0004-4933-7445</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ярыгин</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Yarygin</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ярыгин Дмитрий Андреевич, магистрант</p><p>664003, г. Иркутск, ул. Карла Маркса, 1</p></bio><bio xml:lang="en"><p>Dmitriy A. Yarygin, Master’s Student</p><p>1, Karl Marx St., Irkutsk, 664003</p></bio><email xlink:type="simple">mr.dmitry.yarygin@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2266-6068</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Юринова</surname><given-names>Г. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Yurinova</surname><given-names>G. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Юринова Галина Валерьевна, к.б.н., доцент</p><p>664003, г. Иркутск, ул. Карла Маркса, 1</p></bio><bio xml:lang="en"><p>Galina V. Yurinova, Cand. Sci. (Biology), Associate Professor</p><p>1, Karl Marx St., Irkutsk, 664003</p></bio><email xlink:type="simple">yurinova@yandex.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/0000-0002-3693-9058</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Саловарова</surname><given-names>В. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Salovarova</surname><given-names>V. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Саловарова Валентина Петровна, д.б.н., профессор, заведующий кафедрой</p><p>664003, г. Иркутск, ул. Карла Маркса, 1</p></bio><bio xml:lang="en"><p>Valentina P. Salovarova, Dr. Sci. (Biology), Professor, Head of the Department</p><p>1, Karl Marx St., Irkutsk, 664003</p></bio><email xlink:type="simple">vsalovarova@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Иркутский государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Irkutsk State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>12</day><month>12</month><year>2025</year></pub-date><volume>15</volume><issue>4</issue><fpage>503</fpage><lpage>514</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Новиков А.В., Приставка А.А., Михайленко В.Л., Ефременко З.А., Ярыгин Д.А., Юринова Г.В., Саловарова В.П., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Новиков А.В., Приставка А.А., Михайленко В.Л., Ефременко З.А., Ярыгин Д.А., Юринова Г.В., Саловарова В.П.</copyright-holder><copyright-holder xml:lang="en">Novikov A.V., Pristavka A.A., Mikhailenko V.L., Efremenko Z.A., Yarygin D.A., Yurinova G.V., Salovarova V.P.</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://vuzbiochemi.elpub.ru/jour/article/view/1573">https://vuzbiochemi.elpub.ru/jour/article/view/1573</self-uri><abstract><p>Целью проведенного исследования являлось изучение влияния условий водной экстракции древесных опилок на биологическую активность экстрактивных веществ по отношению к тест-объектам разных таксономических и экологических групп: базидиомицету Pleurotus ostreatus 0482, бактериям рода Bacillus, редису Raphanus sativus (L.). Установлено, что полученные растворы подавляют рост и развитие большинства исследуемых тест-объектов пропорционально температуре экстракции (до 40% по отдельным показателям). В то же время эффективность утилизации компонентов древесины Pleurotus ostreatus 0482 при твердофазном культивировании возрастает на 25–40% после удаления водорастворимых экстрактивных веществ. Проведено фракционирование экстрактов с последовательным использованием гексана и хлороформа. Для всех органических и водных фаз получены спектры поглощения в ультрафиолетовой и видимой областях спектра. Сравнение спектральных характеристик выявило максимумы поглощения в диапазоне 200–300 нм. При этом с ростом температуры экстракции увеличивается число пиков, всего идентифицировано восемь максимумов, включая бато- и гипсохромные сдвиги одного и того же соединения. Математическая обработка спектров выявила паттерны, связывающие спектральные характеристики с биологическим действием экстрактов. Анализ максимумов поглощения указывает на присутствие лигнанов как вероятных фитотоксинов, флавоноидов и стильбенов как возможных индукторов ферментативной активности. В результате проведенной работы проанализирована предполагаемая химическая природа биоактивных соединений, а также исследованы возможные механизмы их действия и направления практического использования результатов.</p></abstract><trans-abstract xml:lang="en"><p>The study aimed to examine the effect of conditions for aqueous extraction from sawdust on the biological activity of extractive substances for test objects from different taxonomic and ecological groups: Pleurotus ostreatus 0482 basidiomycete, Bacillus bacteria, and radish Raphanus sativus (L.). The obtained solutions were found to inhibit the growth and development of most test objects in proportion to the extraction temperature (up to 40% for some indicators). In solid-state fermentation, the biological efficiency of Pleurotus ostreatus 0482 increased by 25–40% after removing water-soluble extractives. The extracts were fractionated with successive use of hexane and chloroform. For all organic and aqueous phases, absorption ultraviolet/visible spectra were obtained. A comparison of spectral characteristics revealed absorption maxima within the range of 200–300 nm. With rising extraction temperature, the number of peaks was observed to increase; a total of eight maxima was identified, including batho- and hypsochromic shifts of the same compound. A mathematical processing of the spectra revealed patterns linking spectral characteristics to the biological action of extracts. The conducted absorption maximum analysis indicates the presence of lignans as potential phytotoxins, as well as flavonoids and stilbenes as possible inducers of enzymatic activity. The study analyzed the assumed chemical nature of bioactive compounds, as well as examining possible mechanisms of their action and practical applications of the obtained results.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>древесные отходы</kwd><kwd>ультрафиолетовая/видимая спектроскопия</kwd><kwd>биотестирование</kwd><kwd>Pleurotus ostreatus</kwd><kwd>ферментативная активность</kwd></kwd-group><kwd-group xml:lang="en"><kwd>wood waste</kwd><kwd>ultraviolet/visible spectroscopy</kwd><kwd>bioassay</kwd><kwd>Pleurotus ostreatus</kwd><kwd>enzymatic activity</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">Капустина Л.М., Агабабаев М.С., Акберов К.Ч., Агабабаева Н.М. Анализ современного состояния и тенденций развития мирового рынка древесины // Естественно-гуманитарные исследования. 2024. N 4. С. 141–145. 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