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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">boolt</journal-id><journal-title-group><journal-title xml:lang="ru">Бюллетень Государственного Никитского ботанического сада</journal-title><trans-title-group xml:lang="en"><trans-title>Bulletin of the State Nikitsky Botanical Gardens</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0513-1634</issn><publisher><publisher-name>Federal State Funded Institution of Science “The Labour Red Banner Order Nikitsky Botanical Gardens – National scientific Center of the RAS”</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">boolt-926</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>БИОХИМИЯ РАСТЕНИЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PLANT BIOCHEMISTRY</subject></subj-group></article-categories><title-group><article-title>Изменчивость содержания адаптогенных соединений в вегетативных органах Betula pubescens Ehrh. в условиях техногенного загрязнения на территории Арктической зоны РФ</article-title><trans-title-group xml:lang="en"><trans-title>Variability of the content of adaptogenic compounds in the vegetative organs of Betula pubescens Ehrh. in conditions of technogenic pollution in the Arctic zone of the Russian Federation</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>Середа</surname><given-names>Л. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Sereda</surname><given-names>L. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Лидия Николаевна Середа </p><p>184209, г. Апатиты ул. Ферсмана, д.14 </p></bio><email xlink:type="simple">sundukpandory87@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>Жиров</surname><given-names>В. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhirov</surname><given-names>V. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Владимир Константинович Жиров </p><p>184209, г. Апатиты ул. Ферсмана, д.14 </p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дрогобужская</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Dorogobuzhskaya</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Светлана Витальевна Дрогобужская </p><p>184209, г. Апатиты ул. Ферсмана, д.26а </p></bio><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>Центр наноматериаловедения ФИЦ «Кольский Научный Центр» РАН</institution><country>Russian Federation</country></aff><aff xml:lang="ru" id="aff-2"><institution>Центр медико-биологических проблем адаптации человека в Арктике ФИЦ «Кольский Научный Центр» РАН</institution><country>Russian Federation</country></aff><aff xml:lang="ru" id="aff-3"><institution>Институт химии и технологии редких элементов и минерального сырья им. И.В. Тананаева ФИЦ «Кольский Научный Центр» РАН</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>10</day><month>05</month><year>2025</year></pub-date><volume>0</volume><issue>154</issue><fpage>87</fpage><lpage>94</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Середа Л.Н., Жиров В.К., Дрогобужская С.В., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Середа Л.Н., Жиров В.К., Дрогобужская С.В.</copyright-holder><copyright-holder xml:lang="en">Sereda L.N., Zhirov V.K., Dorogobuzhskaya S.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://boolt.elpub.ru/jour/article/view/926">https://boolt.elpub.ru/jour/article/view/926</self-uri><abstract><p>Изучение особенностей синтеза вторичных метаболитов растений в условиях промышленного воздействия, имеет колоссальное значение для понимания механизмов формирования толерантности растений к техногенному стрессу и диагностике состояния окружающей среды. Анализ динамики накопления адаптогенных метаболитов позволяет обнаружить влияние загрязнения на растения до проявления первых признаков их повреждения. Важным фактором усиленного синтеза вторичных метаболитов растениями, произрастающими на территории Кольского полуострова, является техногенная нагрузка медно-никелевого комбината ОАО «Комбинат Североникель», выбросы которого содержат тяжелые металлы. Берёза пушистая (Betula pubescens Ehrh.), листья которой содержат значительное количество фенольных соединений, часто выбирается в качестве модельного вида для анализа влияния техногенного загрязнения. Целью настоящей работы являлось изучение изменчивости содержания адаптогенных соединений в вегетативных органах B. pubescens, произрастающей в условиях техногенного загрязнения. В результате проведения работы, проанализирована зависимость синтеза флавоноидов и антиоксидантов от расстояния до источника техногенного загрязнения. Отмечен общий нелинейный характер пространственного распределения в отношении суммы флавоноидов, и линейный – для соединений, проявляющих антиоксидантную активность. Установлена нелинейная тенденция накопления тяжелых металлов.</p></abstract><trans-abstract xml:lang="en"><p>The study of the features of the synthesis of secondary metabolites of plants under industrial conditions is of great importance for understanding the mechanisms of formation of plant tolerance to man-made stress and the diagnosis of the state of the environment. The dynamics of the accumulation of adaptogenic metabolites makes it possible to detect the first stages of contamination before the first visual signs of damage to plants appear. An important factor in the enhanced synthesis of secondary metabolites by plants growing on the territory of the Kola Peninsula is the man-made load of the “Severonikel” copper-nickel combine, whose emissions contain heavy metals. The pubescent birch (Betula pubescens Ehrh.), which leaves contain a significant amount of phenolic compounds, is often chosen as a model species for analyzing the effects of manmade pollution. The purpose of this work was to study the variability of the content of adaptogenic compounds in the vegetative organs of Betula pubescens Ehrh., growing in conditions of technogenic pollution. As a result of the work, the dependence of the synthesis of flavonoids and antioxidants on the distance to the source of manmade pollution was analyzed. The general nonlinear character of the spatial distribution with respect to the amount of flavonoids is noted, and linear – for compounds exhibiting antioxidant activity. A nonlinear tendency of accumulation of heavy metals has been established.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Betula pubescens Ehrh.</kwd><kwd>биологически активные вещества</kwd><kwd>техногенное загрязнение</kwd><kwd>ультразвуковая экстракция</kwd><kwd>Арктика</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Betula pubescens Ehrh.</kwd><kwd>biologically active substances</kwd><kwd>technogenic pollution</kwd><kwd>ultrasoundassisted extraction</kwd><kwd>Arctic</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках государственного задания ФИЦ КНЦ РАН FMEZ-2023-0012.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Крючков В.В., Макарова Т.Д. Аэротехногенное воздействие на экосистемы Кольского Севера. Апатиты. – 1989. – 96 с.</mixed-citation><mixed-citation xml:lang="en">Крючков В.В., Макарова Т.Д. 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