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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">zhps</journal-id><journal-title-group><journal-title xml:lang="ru">Журнал прикладной спектроскопии</journal-title><trans-title-group xml:lang="en"><trans-title>Zhurnal Prikladnoii Spektroskopii</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0514-7506</issn><publisher><publisher-name>B. I. Stepanov Institute of Physics of the National Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">zhps-2038</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>АННОТАЦИИ АНГЛОЯЗЫЧНЫХ СТАТЕЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ABSTRACTS ENGLISH-LANGUAGE ARTICLES</subject></subj-group></article-categories><title-group><article-title>Быстрая идентификация свежести мясной продукции на основе ближней инфракрасной спектроскопии и алгоритма нейронной сети обратного распространения</article-title><trans-title-group xml:lang="en"><trans-title>Rapid Identification of the Freshness of Pork Based on Near Infrared Spectroscopy and Back Propagation Neural Network Algorithm</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>Chen</surname><given-names>H.</given-names></name><name name-style="western" xml:lang="en"><surname>Chen</surname><given-names>H.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Юньнань, Куньмин</p></bio><bio xml:lang="en"><p>Yunnan Kunming</p></bio><email xlink:type="simple">710866288@qq.com</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>Liang</surname><given-names>Y.</given-names></name><name name-style="western" xml:lang="en"><surname>Liang</surname><given-names>Y.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Юньнань, Куньмин</p></bio><bio xml:lang="en"><p>Yunnan Kunming</p></bio><email xlink:type="simple">710866288@qq.com</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>Wu</surname><given-names>J.</given-names></name><name name-style="western" xml:lang="en"><surname>Wu</surname><given-names>J.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Юньнань, Куньмин</p></bio><bio xml:lang="en"><p>Yunnan Kunming</p></bio><email xlink:type="simple">710866288@qq.com</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>Zhang</surname><given-names>X.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhang</surname><given-names>X.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Юньнань, Куньмин</p></bio><bio xml:lang="en"><p>Yunnan Kunming</p></bio><email xlink:type="simple">710866288@qq.com</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>Du</surname><given-names>M.</given-names></name><name name-style="western" xml:lang="en"><surname>Du</surname><given-names>M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Юньнань, Куньмин</p></bio><bio xml:lang="en"><p>Yunnan Kunming</p></bio><email xlink:type="simple">dumeiling_2006@163.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ren</surname><given-names>H.</given-names></name><name name-style="western" xml:lang="en"><surname>Ren</surname><given-names>H.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Юньнань, Куньмин</p></bio><bio xml:lang="en"><p>Yunnan Kunming</p></bio><email xlink:type="simple">710866288@qq.com</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>Lu</surname><given-names>X.</given-names></name><name name-style="western" xml:lang="en"><surname>Lu</surname><given-names>X.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Юньнань, Куньмин</p></bio><bio xml:lang="en"><p>Yunnan Kunming</p></bio><email xlink:type="simple">710866288@qq.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Куньминский университет науки и технологий</institution></aff><aff xml:lang="en"><institution>Faculty of Science, Kunming University of Science and Technology</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Юньнаньский институт контроля и инспекции качества продукции</institution></aff><aff xml:lang="en"><institution>Yunnan Institute of product quality supervision and inspection</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>26</day><month>11</month><year>2025</year></pub-date><volume>92</volume><issue>6</issue><fpage>826</fpage><lpage>826</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Chen H., Liang Y., Wu J., Zhang X., Du M., Ren H., Lu X., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Chen H., Liang Y., Wu J., Zhang X., Du M., Ren H., Lu X.</copyright-holder><copyright-holder xml:lang="en">Chen H., Liang Y., Wu J., Zhang X., Du M., Ren H., Lu X.</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://zhps.ejournal.by/jour/article/view/2038">https://zhps.ejournal.by/jour/article/view/2038</self-uri><abstract><p>Свежесть мясной продукции является критическим фактором, определяющим ее качество и ценность, влияет на ее экономическую ценность и пригодность к употреблению. Для регистрации спектров образцов свинины с 1-го по 9-й день при температуре 18 ± 2°C использована спектроскопия в ближнем ИК-диапазоне (NIR). Алгоритм нейронной сети обратного распространения ошибки (BPNN) в сочетании со спектральными данными NIR использован для построения прогностической модели оценки свежести свинины, при этом длительность хранения служила основной переменной. Модель оценена в сравнении с более традиционными подходами, включая модели частичных наименьших квадратов и случайного леса. Модель BPNN продемонстрировала наиболее оптимальную производительность теста с коэффициентом детерминации R2 = 0.93; среднеквадратическая ошибка прогнозирования RMSEP = 0.62. Средняя абсолютная ошибка тестового набора для модели BPNN = 0.48, что указывает на удовлетворительные результаты прогнозирования. Экспериментальные данные продемонстрировали возможность применения предлагаемого метода для точной оценки свежести свинины, что позволило создать новый технологический эталон для определения качества мяса.</p></abstract><trans-abstract xml:lang="en"><p>The freshness of pork is a critical factor in determining its quality and value, impacting its economic worth and suitability for consumption. Near-infrared spectroscopy was employed to collect the spectra of pork from day 1 to 9 at 18 ± 2°C. The backpropagation neural network (BPNN) algorithm, in conjunction with the previously mentioned near-infrared (NIR) spectral data, was utilised to construct a predictive model for the assessment of pork freshness, with the duration of storage serving as the primary variable. The model was evaluated in comparison to more traditional approaches, including partial least squares (PLS) and random forest (RF) models. The experimental results demonstrated that the BPNN model exhibited the most optimal test performance, with a determination coefficient (R2) of 0.93; the root mean square error of prediction (RMSEP) was 0.62 days. Furthermore, the mean absolute error of the test set (MAE) for the BPNN model was 0.48 days, indicating satisfactory prediction results. The experimental data demonstrated the feasibility of the proposed method in accurately estimating pork freshness, thus providing a novel technological reference for meat detection.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>ближний инфракрасный диапазон</kwd><kwd>свежесть свинины</kwd><kwd>нейронная сеть обратного распространения</kwd><kwd>неразрушающий метод</kwd></kwd-group><kwd-group xml:lang="en"><kwd>near infrared</kwd><kwd>pork freshness</kwd><kwd>backpropagation neural network</kwd><kwd>nondestructive</kwd><kwd>rapid</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">X. Zhang, X. Chen, J. Dai, et al., Food Packaging and Shelf Life, 40, 101215 (2023).</mixed-citation><mixed-citation xml:lang="en">X. Zhang, X. Chen, J. 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