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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">zldm</journal-id><journal-title-group><journal-title xml:lang="ru">Заводская лаборатория. Диагностика материалов</journal-title><trans-title-group xml:lang="en"><trans-title>Industrial laboratory. Diagnostics of materials</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1028-6861</issn><issn pub-type="epub">2588-0187</issn><publisher><publisher-name>ООО «Издательство «ТЕСТ-ЗЛ»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.26896/1028-6861-2018-84-2-23-27</article-id><article-id custom-type="elpub" pub-id-type="custom">zldm-666</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>АНАЛИЗ ВЕЩЕСТВА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>SUBSTANCES ANALYSIS</subject></subj-group></article-categories><title-group><article-title>ОПРЕДЕЛЕНИЕ СИНТЕТИЧЕСКИХ ПИЩЕВЫХ КРАСИТЕЛЕЙ КАРМУАЗИНА И ПОНСО 4R В БЕЗАЛКОГОЛЬНЫХ НАПИТКАХ МЕТОДОМ ФЛУОРИМЕТРИИ</article-title><trans-title-group xml:lang="en"><trans-title>FLUORIMETRIC DETERMINATION OF SYNTHETIC FOOD DYES CARMOISINE AND PONCEAU 4R IN SOFT DRINKS</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>Николаева</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Nikolaeva</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"/><email xlink:type="simple">ivanovaaa@tpu.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>Короткова</surname><given-names>Е. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Korotkova</surname><given-names>E. I.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"/><email xlink:type="simple">ivanovaaa@tpu.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>Булычева</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Bulycheva</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"/><email xlink:type="simple">ivanovaaa@tpu.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Национальный исследовательский Томский политехнический университет</institution></aff><aff xml:lang="en"><institution>National Research Tomsk Polytechnic University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>01</day><month>03</month><year>2018</year></pub-date><volume>84</volume><issue>2</issue><fpage>23</fpage><lpage>27</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Николаева А.А., Короткова Е.И., Булычева Е.В., 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Николаева А.А., Короткова Е.И., Булычева Е.В.</copyright-holder><copyright-holder xml:lang="en">Nikolaeva A.A., Korotkova E.I., Bulycheva E.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.zldm.ru/jour/article/view/666">https://www.zldm.ru/jour/article/view/666</self-uri><abstract><p>Предложен флуориметрический метод определения синтетических пищевых азокрасителей понсо 4R (E124) и кармуазина (азорубина, E122) в безалкогольных напитках. Исследуемые азокрасители являются одними из наиболее распространенных и опасных синтетических красителей, часто используемых в детских напитках. Выбор флуориметрического метода анализа обусловлен его высокой чувствительностью, селективностью и экспресностью по сравнению с другими известными методами (спектрофотометрическими, электрохимическими и хроматографическими). Изучены спектры возбуждения и люминесценции обоих красителей. Найдены оптимальная длина волны возбуждения определяемых красителей (330 нм) и длина волны люминесценции, на которой наблюдается максимальный аналитический сигнал (420 нм). Проведена оптимизация таких аппаратных параметров определения, как время задержки и длительность строба. Для проверки правильности полученных результатов провели спектрофотометрическое определение этих красителей в тех же образцах (поглощение кармуазина максимально при 515 нм, понсо 4R — при 505 нм). Результаты, полученные обоими методами, хорошо согласуются. Предложенная методика может быть использована для контроля качества пищевых продуктов.</p></abstract><trans-abstract xml:lang="en"><p>We report on a fluorimetric determination of synthetic food azo dyes Ponceau 4R (E124) and Carmoisine (azorubine, E122) in soft drinks. Considered azo dyes are one of the most common and dangerous synthetic dyes, often used in children’s drinks to give them attractive red shades. The choice of fluorimetric method of analysis is motivated by high sensitivity, selectivity and total rapidity of the procedure compared to other (spectrophotometric, electrochemical and chromatographic) known methods, thus being rather useful for determination of low content of the substances. Specified working conditions for dye determination in beverages: excitation wavelength of 330 nm and detection interval 350 – 500 nm. Synthetic dyes were analyzed on a «Fluorat-02-Panorama» (Lumex LLC., St. Petersburg) fluid analyzer. The obtained wavelength of azo dye fluorescence (420 nm) is used as a working wavelength for quantitative determination of azo dyes Ponceau 4R and Carmoisine (azorubin) in soft drinks. The reproducibility of the results obtained for two food azo dyes using fluorimetric and spectrophotometric methods of their determination in soft drinks is shown.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>азокрасители</kwd><kwd>флуориметрия</kwd><kwd>спектрофотометрия</kwd><kwd>безалкогольные напитки</kwd></kwd-group><kwd-group xml:lang="en"><kwd>azo dyes</kwd><kwd>fluorimetry</kwd><kwd>spectrophotometry</kwd><kwd>soft drinks</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">Смирнов Е. В. Пищевые красители: справочник — СПб.: Профессия, 2009. — 352 с.</mixed-citation><mixed-citation xml:lang="en">Smirnov E. V. Food colorings. 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