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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">hfb</journal-id><journal-title-group><journal-title xml:lang="ru">Health, Food &amp; Biotechnology</journal-title><trans-title-group xml:lang="en"><trans-title>Health, Food &amp; Biotechnology</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2712-7648</issn><publisher><publisher-name>РОСБИОТЕХ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.36107/hfb.2021.i3.s113</article-id><article-id custom-type="elpub" pub-id-type="custom">hfb-113</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>ЗДОРОВЬЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>HEALTH</subject></subj-group></article-categories><title-group><article-title>Определение эмиссии частиц из микропластика при заваривании чайных пакетиков</article-title><trans-title-group xml:lang="en"><trans-title>Determination of the Microplastic Particle Release by Tea Bags During Brewing</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4192-9484</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Корнилов</surname><given-names>Кирилл Николаевич</given-names></name><name name-style="western" xml:lang="en"><surname>Kornilov</surname><given-names>Kirill N.</given-names></name></name-alternatives><email xlink:type="simple">kornilovkn@mgupp.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>Роева</surname><given-names>Наталья Николаевна</given-names></name><name name-style="western" xml:lang="en"><surname>Roeva</surname><given-names>Nataliya N.</given-names></name></name-alternatives><email xlink:type="simple">roeva@mgupp.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО "Московский государственный университет пищевых производств"</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Moscow State University of Food Production</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>29</day><month>12</month><year>2021</year></pub-date><volume>3</volume><issue>3</issue><elocation-id>113</elocation-id><permissions><copyright-statement>Copyright &amp;#x00A9; Корнилов К.Н., Роева Н.Н., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Корнилов К.Н., Роева Н.Н.</copyright-holder><copyright-holder xml:lang="en">Kornilov K.N., Roeva N.N.</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.hfb-journal.ru/jour/article/view/113">https://www.hfb-journal.ru/jour/article/view/113</self-uri><abstract><p>Присутствие микроскопических частиц пластика в пищевых продуктах в настоящее время является одной из самых главных проблемой пищевой промышленности и одним из важнейших вопросов пищевой безопасности. При этом не существует ни чётких методик по определению таких частиц, ни способов очистки от них пищевых продуктов.</p><p>   В представленной работе впервые методом Динамического Лазерного Светорассеивания (ДЛСР) с помощью лазерного ананлизатора наночастиц «Zetatrac» было проведено определение концентрации и размера наночастиц пластика, выделяющихся из чайных пакетиков при их заваривании в кипятке. Установлено, что бумажные пакетики не выделяют никаких объектов, которые могут быть охарактеризованы как пластик, но исследованные образцы пирамидальных пакетиков выделяют в воду миллиарды наночастиц диаметром от 1 до 2 нм (что соответствует размеру в 200-300 атомов С) и миллионы микрочастиц большего размера. При этом число всех обнаруженных объектов значительно больше, чем в исследованных ранее пищевых продуктах, хотя размеры их в некоторых случаях полностью совпадают. Можно сделать вывод, что под действием термического воздействия пластик, содержащийся в пирамидальных чайных пакетиках, сильно разрушается и в виде нано и микро объектов выделяется в окружающую его среду.</p></abstract><trans-abstract xml:lang="en"><p>The presence of microscopic particles of plastic (MP) in food is currently an urgent problem in the modern food industry and one of the main issues of food safety. However, there are no clear methods for the determination of such particles, nor methods for cleaning food products from them. In the present work, for the first time, the method of Dynamic Laser Light Scattering (DLS) was used to determine the plastic nanoparticles from tea bags when they were boiled in boiling water. It has been established that some of the studied samples of sachets release a huge amount of such nanoparticles into water. Moreover, hundreds of millions of nanoparticles are released per one microscopic particle. Pyramidal tea bags release a huge amount of nanoparticles with a diameter of 1 to 2 nm. The number of nanoparticles released during thermal action on pyramidal tea bags is at least 23 times greater than the number of the</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Динамическое Лазерное Светорассеивание</kwd><kwd>микропластик</kwd><kwd>наночастицы</kwd><kwd>чайные пакетики</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Dynamic Laser Light Scattering</kwd><kwd>microplastic</kwd><kwd>nanoparticles</kwd><kwd>tea bags</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">Корнилов, К.Н, &amp; Роева, Н.Н. (2019). Определение содержания наночастиц пластика в питьевой воде и жидких пищевых продуктах. 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