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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="en"><front><journal-meta><journal-id journal-id-type="publisher-id">meat</journal-id><journal-title-group><journal-title xml:lang="en">Theory and practice of meat processing</journal-title><trans-title-group xml:lang="ru"><trans-title>Теория и практика переработки мяса</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2414-438X</issn><issn pub-type="epub">2414-441X</issn><publisher><publisher-name>ФГБНУ «Федеральный научный центр пищевых систем им. В.М. Горбатова» РАН</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21323/2414-438X-2017-2-1-27-36</article-id><article-id custom-type="elpub" pub-id-type="custom">meat-45</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>Статьи</subject></subj-group></article-categories><title-group><article-title>SELECTION OF DNA MATRIX FOR JUSTIFICATION OF THRESHOLD FOR CONTAMINATION OF PROCESSED MEAT PRODUCTS WITH UNDECLARED POULTRY COMPONENTS</article-title><trans-title-group xml:lang="ru"><trans-title>ВЫБОР ДНК МАТРИЦЫ ДЛЯ ОБОСНОВАНИЯ ПОРОГОВОГО УРОВНЯ ТЕХНИЧЕСКИ НЕУСТРАНИМЫХ ПРИМЕСЕЙ МЯСА ПТИЦЫ В ГОТОВОЙ МЯСНОЙ ПРОДУКЦИИ</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>Минаев</surname><given-names>М. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Minaev</surname><given-names>M. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат технических наук, руководитель ПЦР направления</p></bio><bio xml:lang="en"><p>andidate of technical sciences, a head of the Molecular diagnostic division</p></bio><email xlink:type="simple">mminaev@inbox.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>Солодовникова</surname><given-names>Г. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Solodovnikova</surname><given-names>G. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>старший научный сотрудник ПЦР направления</p></bio><bio xml:lang="en"><p>senior research scientist of the Molecular diagnostic division</p></bio><email xlink:type="simple">6766011@inbox.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>Курбаков</surname><given-names>К. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kurbakov</surname><given-names>K. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>младший научный сотрудник ПЦР направления</p></bio><bio xml:lang="en"><p>junior research scientist of the Molecular diagnostic division</p></bio><email xlink:type="simple">homo_ludens@vniimp.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Всероссийский научно-исследовательский институт мясной промышленности имени В.М. Горбатова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>The V.M. Gorbatov All-Russian Meat Research Institute</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>04</day><month>04</month><year>2017</year></pub-date><volume>2</volume><issue>1</issue><fpage>27</fpage><lpage>36</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Minaev M.Y., Solodovnikova G.I., Kurbakov K.A., 2017</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="ru">Минаев М.Ю., Солодовникова Г.И., Курбаков К.А.</copyright-holder><copyright-holder xml:lang="en">Minaev M.Y., Solodovnikova G.I., Kurbakov K.A.</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.meatjournal.ru/jour/article/view/45">https://www.meatjournal.ru/jour/article/view/45</self-uri><abstract><sec><title> </title><p> </p><p>Diﬀerentiation between adulteration and accidental meat raw material contamination in meat industry enterprises that carry out the combined processing of slaughtering products from farm animals and poultry is necessary to establish a threshold of technically non-removable impurities. Justiﬁcation of the thresholds, e.g. for chicken meat, requires determination of the target analytical matrix, which content in meat raw material is stable. In the Russian certiﬁed methods, the species-speciﬁc DNA matrix for chickens is a multi-copy gene of cytochrome B in mitochondrial DNA. Taking into consideration that mitochondrial DNA copy number can depend on a muscle ﬁber type, animal age, and other factors, the eﬀectiveness of using multi-copy mitochondrial genes for quantifying the poultry content in meat products was justiﬁed in this study. Analysis of the samples from the pectoral and hip muscles of three chicken carcasses and one duck carcass obtained from diﬀerent manufacturers showed that the poultry pectoral and hip muscles contained approximately equal amounts of mitochondrial DNA, which allows its use as a matrix to justify the level of technically non-removable chicken impurities in ﬁnished meat products.</p></sec><sec><title> </title><p> </p></sec><sec><title> </title><p> </p></sec></abstract><trans-abstract xml:lang="ru"><p>Дифференциация факта фальсификации от случайной перекрестной контаминации сырья на предприятиях мясной промышленности, осуществляющих совместную переработку продуктов убоя сельскохозяйственных животных и птицы, необходима для установления порогового уровня технически неустранимой примеси. Обоснование пороговых значений, например, мяса кур, требует определения целевой аналитической матрицы, содержание которой в мясном сырье стабильно. В российских аттестованных методиках видоспецифической матрицей выявления ДНК кур является многокопийный ген митохондриальной ДНК цитохрома Б. Учитывая, что копийность митохондриальной ДНК может зависеть от типа мышечных волокон, возраста животных и других факторов в данном исследовании обоснована эффективность использования многокопийных митохондриальных генов для квантификации содержания мяса птицы в мясных продуктах. Исследование проб мяса 3 образцов тушек кур разных производителей и 1 образца тушки утки, выделенных из грудных и бедренных мышц показало, что в грудных и бедренных мышцах сельскохозяйственных птиц содержится приблизительно равное количество митохондриальной ДНК, что позволяет ее использовать в качестве матрицы для обоснования уровня технически неустранимой примеси готовой мясной продукции мясом кур.</p><p> </p></trans-abstract><kwd-group xml:lang="ru"><kwd>ПЦР в реальном времени</kwd><kwd>количественная ПЦР</kwd><kwd>мясо птицы</kwd><kwd>технически неустранимая примесь</kwd><kwd>фальсификация.</kwd></kwd-group><kwd-group xml:lang="en"><kwd>real-time PCR</kwd><kwd>quantitative PCR</kwd><kwd>poultry meat</kwd><kwd>mitochondrial DNA</kwd><kwd>cytochrome B</kwd><kwd>non-removable impurities</kwd><kwd>adulteration</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">Porter C, Wall BT. 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