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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">RUDN Journal of Ecology and Life Safety</journal-id><journal-title-group><journal-title xml:lang="en">RUDN Journal of Ecology and Life Safety</journal-title><trans-title-group xml:lang="ru"><trans-title>Вестник Российского университета дружбы народов. Серия: Экология и безопасность жизнедеятельности</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2313-2310</issn><issn publication-format="electronic">2408-8919</issn><publisher><publisher-name xml:lang="en">Peoples’ Friendship University of Russia named after Patrice Lumumba (RUDN University)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">18119</article-id><article-id pub-id-type="doi">10.22363/2313-2310-2017-25-3-414-430</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">On the need to improve the safety and quality control of extracts from the leaves of ginkgo biloba</article-title><trans-title-group xml:lang="ru"><trans-title>О необходимости совершенствования контроля безопасности и качества экстрактов из листьев гинкго билоба</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Vasil’ev</surname><given-names>Vasily Gennadievich</given-names></name><name xml:lang="ru"><surname>Васильев</surname><given-names>Василий Геннадьевич</given-names></name></name-alternatives><bio xml:lang="en">post-graduate student of the Department of System Ecology</bio><bio xml:lang="ru">аспирант кафедры системной экологии</bio><email>vasiliev_vg@rudn.university</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kalabin</surname><given-names>Gennady Aleksandrovich</given-names></name><name xml:lang="ru"><surname>Калабин</surname><given-names>Геннадий Александрович</given-names></name></name-alternatives><bio xml:lang="en">Doctor of Chemical Sciences, Professor, Professor of the Department of System Ecology</bio><bio xml:lang="ru">доктор химических наук, профессор, профессор кафедры системной экологии</bio><email>kalabin_ga@rudn.university</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Bucasa</surname><given-names>Miteo Ivan</given-names></name><name xml:lang="ru"><surname>Букаса</surname><given-names>Митео Иван</given-names></name></name-alternatives><bio xml:lang="en">graduate student of the Department of System Ecology</bio><bio xml:lang="ru">аспирант кафедры системной экологии</bio><email>-</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Rudachevskiy</surname><given-names>Dmitry Dmitrievich</given-names></name><name xml:lang="ru"><surname>Рудачевский</surname><given-names>Дмитрий Дмитриевич</given-names></name></name-alternatives><bio xml:lang="en">Bachelor of Ecology and Nature Management, Department of System Ecology</bio><bio xml:lang="ru">бакалавр экологии и природопользования кафедры системной экологии</bio><email>-</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Peoples’ Friendship University of Russia</institution></aff><aff><institution xml:lang="ru">Российский университет дружбы народов</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2017-12-15" publication-format="electronic"><day>15</day><month>12</month><year>2017</year></pub-date><volume>25</volume><issue>3</issue><issue-title xml:lang="en">VOL 25, NO3 (2017)</issue-title><issue-title xml:lang="ru">ТОМ 25, №3 (2017)</issue-title><fpage>414</fpage><lpage>430</lpage><history><date date-type="received" iso-8601-date="2018-03-27"><day>27</day><month>03</month><year>2018</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2017, Vasil’ev V.G., Kalabin G.A., Bucasa M.I., Rudachevskiy D.D.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2017, Васильев В.Г., Калабин Г.А., Букаса М.И., Рудачевский Д.Д.</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="en">Vasil’ev V.G., Kalabin G.A., Bucasa M.I., Rudachevskiy D.D.</copyright-holder><copyright-holder xml:lang="ru">Васильев В.Г., Калабин Г.А., Букаса М.И., Рудачевский Д.Д.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by-nc/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.rudn.ru/ecology/article/view/18119">https://journals.rudn.ru/ecology/article/view/18119</self-uri><abstract xml:lang="en">The issue of safety and quality examination of natural food additives and medicinal products is considered on the example of extracts from leaves of ginkgo biloba - nootropics, the most popular in the world both in terms of consumption and scientific interest. The requirements to the composition of preparations and methods of their control are characterized. A new original methodology for the determination of the content in commercial preparations of individual terpene lactones, flavonoglycosides of various groups and their aglycones by 1H NMR is proposed. A number of adulterated and/or lowquality preparations have been identified. The ways of expertise improving are proposed, including the definition of the minor components content.</abstract><trans-abstract xml:lang="ru">Вопрос экспертизы безопасности и качества природных пищевых добавок и лекарственных средств рассмотрен на примере экстрактов из листьев гинкго билоба - ноотропа, наиболее популярного в мире как по объему потребления и научному интересу. Охарактеризованы требования к составу препаратов и методы их контроля. Предложена новая оригинальная методология определения методом ЯМР 1Н содержания в коммерческих препаратах отдельных терпеновых лактонов, флавоногликозидов различных групп и их агликонов. Выявлен ряд фальсифицированных и/или низкокачественных препаратов. Предложены пути совершенствования их экспертизы, включающие определение содержания минорных компонентов.</trans-abstract><kwd-group xml:lang="en"><kwd>Ginkgo biloba</kwd><kwd>dietary supplements</kwd><kwd>medicines</kwd><kwd>NMR spectroscopy</kwd><kwd>quality control</kwd><kwd>authenticity</kwd><kwd>flavonoglycosides</kwd><kwd>terpene lactones</kwd><kwd>ginkgolic acids</kwd><kwd>ginkgotoxine</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>гинкго билоба (ГБ)</kwd><kwd>биологически активные добавки (БАД)</kwd><kwd>лекарственные средства (ЛС)</kwd><kwd>спектроскопия ЯМР</kwd><kwd>контроль качества</kwd><kwd>подлинность</kwd><kwd>флавоногликозиды (ФГ)</kwd><kwd>терпеновые лактоны (ТЛ)</kwd><kwd>гинкголевые кислоты (ГК)</kwd><kwd>гинкготоксины (ГТ)</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Jensen A.G., Ndjoko K., Wolfender J.L., Hostettmann K., Camponovo F., Soldati F. 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