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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">medlit</journal-id><journal-title-group><journal-title xml:lang="ru">Гигиена и санитария</journal-title><trans-title-group xml:lang="en"><trans-title>Hygiene and Sanitation</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0016-9900</issn><issn pub-type="epub">2412-0650</issn><publisher><publisher-name>Federal Scientific Center of Hygiene named after F.F. Erisman</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.47470/0016-9900-2021-100-6-640-646</article-id><article-id custom-type="elpub" pub-id-type="custom">medlit-1531</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>МЕТОДЫ ГИГИЕНИЧЕСКИХ ИССЛЕДОВАНИЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>METHODS OF HYGIENIC AND EXPERIMENTAL INVESTIGATIONS</subject></subj-group></article-categories><title-group><article-title>Метод газовой хроматографии/тандемной масс-спектрометрии с длительной щелочной переэтерификацией для определения сложных эфиров монохлорпропандиолов и глицидола с жирными кислотами в пищевых растительных маслах и жирах</article-title><trans-title-group xml:lang="en"><trans-title>Gas chromatography/tandem mass spectrometry with long-term alkaline transesterification for the determination of esters of monochloropropanediols and glycidol with fatty acids in edible vegetable oils and fats</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1688-6304</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Макаренко</surname><given-names>Мария Андреевна</given-names></name><name name-style="western" xml:lang="en"><surname>Makarenko</surname><given-names>Mariia A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мл. науч. сотр. лаб. химии пищевых продуктов ФГБУН «ФИЦ питания и биотехнологии», 109240, Москва.</p><p>e-mail: dragon.soul1992@ya.ru</p></bio><bio xml:lang="en"><p>MD, junior researcher in the laboratory of food chemistry, Federal Research Center of Nutrition and Biotechnology, Moscow,109240, Russian Federation.</p><p>e-mail: dragon.soul1992@ya.ru</p></bio><email xlink:type="simple">dragon.soul1992@ya.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/0000-0002-0370-4500</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Малинкин</surname><given-names>А. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Malinkin</surname><given-names>Alexey D.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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/0000-0002-3587-5347</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бессонов</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Bessonov</surname><given-names>Vladimir V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБУН «Федеральный исследовательский центр питания, биотехнологии и безопасности пищи»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Federal Research Centre of Nutrition and Biotechnology</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>14</day><month>07</month><year>2021</year></pub-date><volume>100</volume><issue>6</issue><fpage>640</fpage><lpage>646</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Макаренко М.А., Малинкин А.Д., Бессонов В.В., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Макаренко М.А., Малинкин А.Д., Бессонов В.В.</copyright-holder><copyright-holder xml:lang="en">Makarenko M.A., Malinkin A.D., Bessonov V.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://www.rjhas.ru/jour/article/view/1531">https://www.rjhas.ru/jour/article/view/1531</self-uri><abstract><sec><title>Введение</title><p>Введение. В статье рассматриваются практические аспекты применения медленной щелочной переэтерификации с последующим определением методом газовой хроматографии-масс-спектрометрии/масс-спектрометрии ГХ-МС/МС в анализе сложных эфиров 2- и 3-монохлорпропандиола (2-МХПДЭ, 3-МХПДЭ) и жирных кислот, а также глицидиловых эфиров жирных кислот (ГЭ) в пищевых растительных маслах и жирах. Большое количество токсикологических данных, свидетельствующих о потенциальной опасности поступления этих веществ в организм человека с пищей, а также различные ограничения существующих методов свидетельствуют о необходимости расширения методической базы определения 2-МХПДЭ, 3-МХПДЭ и ГЭ.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Эфиры 2-МХПД, 3-МХПД и глицидола в пересчёте на свободную форму определяли методом длительной щелочной переэтерификации и ГХ-МС/МС детектированием.</p></sec><sec><title>Результаты</title><p>Результаты. В процессе работы были подобраны оптимальные параметры режима мониторинга множественных реакций (MRM). Использование MRM-режима также позволило повысить селективность метода и улучшило соотношение сигнал/шум относительно SIM-режима работы детектора. Диапазон определяемых концентраций методики в пересчёте на 2- и 3-монохлорпропандиолы (2-МХПД, 3-МХПД) и глицидол (Г) составил 0,3–30 мг/кг для каждого из исследуемых соединений. Полнота извлечения аналитов составила 87,5–113,6%.</p></sec><sec><title>Заключение</title><p>Заключение. Принципиальными отличиями предложенного нами метода от стандарта ISO 18363-2:2018, на основе которого первый был разработан, является использование тандемной хромато-масс-спектрометрии для регистрации аналитов и метода абсолютной градуировки с использованием внутреннего стандарта для количественных расчётов. Кроме того, для повышения качества получаемых количественных результатов предлагается вводить в последовательность неизвестных образцов пробу с известной концентрацией аналитов.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. The article discusses the method of determination of 2-, 3-monochloropropanediol (2-MCPDE, 3-MCPDE) and glycidyl (GE) fatty acids esters in edible vegetable oils and fats by slow alkaline transesterification and GC-MS/MS. Many toxicological data showed these substances to have the potential for human health risks if consumed; in addition, existing determination methods have various limitations. So, there is a need to expand the variety of 2-MCPDE, 3-MCPDE and GE determination methods.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. 2- and 3-MCPD esters, and glycidyl esters in their corresponding free forms were measured by slow alkaline transesterification with GC-MS/MS.</p></sec><sec><title>Results</title><p>Results. Multiple reactions monitoring mode parameters were optimized. Compared to SIM operating mode, MRM mode improved the selectivity and increased the signal-to-noise ratio. The method was linear in the range of 0.3 mg/kg - 30.0 mg/kg for each analyte. Recovery, tested in this range, was found to be 87.5%-113.6 %.</p></sec><sec><title>Conclusion</title><p>Conclusion. The method discussed here was based on the ISO 18363-2: 2018 standard. In contrast to the last one, we used tandem chromatography-mass spectrometry to detect analytes and a method of absolute calibration with internal standards to quantitate them. In addition, it is proposed to analyze a spiked sample during the sequence of unknown samples to improve the quality of results.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>эфиры 3-монохлорпропандиола</kwd><kwd>эфиры 2-монохлопропандиола</kwd><kwd>глицидиловые эфиры</kwd><kwd>3-МХПД</kwd><kwd>глицидол</kwd><kwd>ГХ-МС/МС</kwd><kwd>медленная щелочная переэтерификация</kwd><kwd>растительные масла</kwd><kwd>жиры</kwd></kwd-group><kwd-group xml:lang="en"><kwd>3-monochloropropanediol esters</kwd><kwd>2-monochlopropanediol esters</kwd><kwd>glycidyl esters</kwd><kwd>3-MCPD</kwd><kwd>glycidol</kwd><kwd>GC-MS/MS</kwd><kwd>slow alkaline transesterification</kwd><kwd>vegetable oils</kwd><kwd>fats</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">Risks for human health related to the presence of 3- and 2-monochloropropanediol (MCPD), and their fatty acid esters, and glycidyl fatty acid esters in food. 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