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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">mkgtu</journal-id><journal-title-group><journal-title xml:lang="ru">Новые технологии / New technologies</journal-title><trans-title-group xml:lang="en"><trans-title>New Technologies</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2072-0920</issn><issn pub-type="epub">2713-0029</issn><publisher><publisher-name>МГТУ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.47370/2072-0920-2025-21-1-55-68</article-id><article-id custom-type="elpub" pub-id-type="custom">mkgtu-798</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>ПИЩЕВЫЕ СИСТЕМЫ И БИОТЕХНОЛОГИЯ ПРОДУКТОВ ПИТАНИЯ И БИОЛОГИЧЕСКИ АКТИВНЫХ ВЕЩЕСТВ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>FOOD SYSTEMS AND BIOTECHNOLOGY OF FOOD AND BIOACTIVE SUBSTANCES</subject></subj-group></article-categories><title-group><article-title>Использование экстрактов Melilotus officinalis с антиоксидантным потенциалом в защитном покрытии для томатов</article-title><trans-title-group xml:lang="en"><trans-title>Use of Melilotus officinalis extracts with antioxidant potential in a protective coating for tomatoes</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7064-2469</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мулюкин</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Mulyukin</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мулюкин Максим Александрович, младший научный сотрудник научно-образовательного центра института естественных и технических наук 628412, Российская Федерация, г. Сургут, пр. Ленина, 1</p></bio><bio xml:lang="en"><p>Maxim A. Mulyukin, Junior Researcher, Scientific and Educational Center, Institute of Natural and Technical Sciences628412, the Russian Federation, Surgut, 1 Lenin Ave.</p></bio><email xlink:type="simple">mulyukin_ma@surgu.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/0000-0002-9284-4379</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бараненко</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Baranenko</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бараненко Денис Александрович, кандидат технических наук, доцент университета ИТМО 197101, Российская Федерация, г. Санкт-Петербург, Кронверкский проспект, 49, литер А </p></bio><bio xml:lang="en"><p>Denis A. Baranenko, PhD (Eng.), Associate Professor of ITMO University  197101, the Russian Federation, St. Petersburg, 49 Kronverkskiy Prospekt, Building A </p></bio><email xlink:type="simple">denis.baranenko@itmo.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3702-2249</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Петрова</surname><given-names>Ю. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Petrova</surname><given-names>Y. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Петрова Юлия Юрьевна, кандидат химических наук, доцент кафедры химии института естественных и технических наук628412, Российская Федерация, г. Сургут, пр. Ленина, 1</p></bio><bio xml:lang="en"><p>Yulia Yu. Petrova, PhD (Chemistry), Associate Professor, the Department of Chemistry, Institute of Natural and Technical Sciences628412, the Russian Federation, Surgut, 1 Lenin Ave.</p></bio><email xlink:type="simple">petrova_juju@surgu.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/0000-0001-9474-0568</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сутормин</surname><given-names>О. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Sutormin</surname><given-names>O. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сутормин Олег Сергеевич, кандидат биологических наук, доцент кафедры химии института естественных и технических наук628412, Российская Федерация, г. Сургут, пр. Ленина, 1</p></bio><bio xml:lang="en"><p>Oleg S. Sutormin, PhD (Biology), Associate Professor, the Department of Chemistry, Institute of Natural and Technical Sciences628412, the Russian Federation, Surgut, 1 Lenin Ave.</p></bio><email xlink:type="simple">sutormin_os@surgu.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Бюджетное учреждение высшего образования «Сургутский государственный университет»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Surgut State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Федеральное государственное автономное образовательное учреждение высшего образования «Национальный исследовательский университет ИТМО»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>ITMO National Research University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>04</day><month>04</month><year>2025</year></pub-date><volume>21</volume><issue>1</issue><fpage>55</fpage><lpage>68</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Мулюкин М.А., Бараненко Д.А., Петрова Ю.Ю., Сутормин О.С., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Мулюкин М.А., Бараненко Д.А., Петрова Ю.Ю., Сутормин О.С.</copyright-holder><copyright-holder xml:lang="en">Mulyukin M.A., Baranenko D.A., Petrova Y.Y., Sutormin O.S.</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://newtechology.mkgtu.ru/jour/article/view/798">https://newtechology.mkgtu.ru/jour/article/view/798</self-uri><abstract><p>Целью исследования являлась оценка влияния защитного покрытия для томатов, обогащенного экстрактами Melilotus officinalis, обладающими выраженной антиоксидантной активностью. Методы. В работе были оптимизированы условия экстракции: высушенный растительный материал измельчали до размера частиц 0,2-0,5 мм, использовали соотношение сырья к экстрагенту 1:100 и время экстракции 5 суток. Содержание фенольных соединений, флавоноидов и антиоксидантную активность экстрактов определяли спектрофотометрическими методами. Результаты. Экстракты, полученные с использованием 10 % и 50 % этилового спирта, продемонстрировали высокое содержание фенолов (33,7 мг/г) и флавоноидов (1,74 мг/г) соответственно. Наибольшая антиоксидантная активность (89,8 %) была зафиксирована у экстракта, полученного с 50 % этиловым спиртом. Исследование влияния защитного покрытия на сохранность томатов показало, что при хранении без охлаждения ежедневная потеря массы составила 1,1±0,1 % для образцов без покрытия и 0,9±0,1 % для образцов с покрытием. При холодильном хранении потеря массы была менее выраженной: через 7 суток разница между образцами с покрытием и без него составила 0,7 %. В первые 3 суток хранения масса томатов уменьшалась равномерно для всех образцов, однако начиная с 4 суток томаты без покрытия начали терять массу значительно быстрее по сравнению с образцами, обработанными защитным покрытием. Наибольшую эффективность продемонстрировало покрытие с добавлением экстрактов: потеря массы без охлаждения и в охлажденном состоянии составила 5,7 % и 1,7 % соответственно, в то время как для томатов без покрытия эти показатели составили 7,3 % и 2,3 %. Заключение. Полученные данные свидетельствуют о перспективности применения защитных покрытий с экстрактами Melilotus officinalis для увеличения срока хранения томатов и снижения потерь массы.</p></abstract><trans-abstract xml:lang="en"><p>Abstract. The goal of the research was to evaluate the effect of a protective coating for tomatoes enriched with Melilotus officinalis extracts with pronounced antioxidant activity. The Methods. The extraction conditions were optimized: the dried plant material was ground to a particle size of 0.2-0.5 mm, the raw material to extractant ratio was 1:100, and the extraction time was 5 days. The content of phenolic compounds, flavonoids, and antioxidant activity of the extracts were determined by spectrophotometric methods. The Results. The extracts obtained using 10% and 50% ethyl alcohol demonstrated a high content of phenols (33.7 mg/g) and flavonoids (1.74 mg/g), respectively. The highest antioxidant activity (89.8%) was recorded in the extract obtained with 50% ethyl alcohol. The study of the effect of the protective coating on the preservation of tomatoes showed that during storage without cooling, the daily weight loss was 1.1±0.1% for uncoated samples and 0.9±0.1% for coated samples. During refrigeration storage, the weight loss was less pronounced: after 7 days, the difference between the samples with and without the coating was 0.7%. During the first 3 days of storage, the weight of the tomatoes decreased uniformly for all samples, but starting from the 4th day, the uncoated tomatoes began to lose weight much faster compared to the samples treated with a protective coating. The coating with the addition of extracts demonstrated the greatest efficiency: the weight loss without cooling and in a cooled state was 5.7% and 1.7%, respectively, while for tomatoes without coating, these figures were 7.3% and 2.3%. Conclusion. The data obtained indicate the potential of using protective coatings with Melilotus officinalis extracts to increase the shelf life of tomatoes and reduce weight loss. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>Melilotus officinalis</kwd><kwd>антиоксидантная активность</kwd><kwd>защитное покрытие</kwd><kwd>томаты</kwd><kwd>хранение</kwd><kwd>фенольные соединения</kwd><kwd>флавоноиды</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Melilotus officinalis</kwd><kwd>antioxidant activity</kwd><kwd>protective coating</kwd><kwd>tomatoes</kwd><kwd>storage</kwd><kwd>phenolic compounds</kwd><kwd>flavonoids</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">Microbial spoilage of vegetables, fruits and cereals / O. Alegbeleye [et al.] // Applied Food Research. 2022. Vol. 2, No 1. P. 100122. 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