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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">vguit</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Воронежского государственного университета инженерных технологий</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the Voronezh State University of Engineering Technologies</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2226-910X</issn><issn pub-type="epub">2310-1202</issn><publisher><publisher-name>VSUET</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.20914/2310-1202-2019-1-218-224</article-id><article-id custom-type="elpub" pub-id-type="custom">vguit-2164</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>Пищевая  биотехнология</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Food biotechnology</subject></subj-group></article-categories><title-group><article-title>Влияние СВЧ-нагрева на оптические характеристики ягодных экстрактов</article-title><trans-title-group xml:lang="en"><trans-title>The effect of microwave heating on the optical characteristics of berry extracts</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>Нилова</surname><given-names>Л. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Nilova</surname><given-names>L. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.т.н., доцент, Высшая школа сервиса и торговли, Институт промышленного менеджмента, экономики и торговли, ул. Политехническая, 29, г. Санкт-Петербург, 195251, Россия</p></bio><bio xml:lang="en"><p>Cand. Sci. (Engin.), associate professor, Graduate School of Service and Trade, Institute of Industrial Management, Economics and Trade, Politechnicheskaya St., 29, Saint-Petersburg, 195251, Russia</p></bio><email xlink:type="simple">nilova_l_p@mail.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>Икрамов</surname><given-names>Р. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Ikramov</surname><given-names>R. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>аспирант, Высшая школа сервиса и торговли, Институт промышленного менеджмента, экономики и торговли, ул. Политехническая, 29, г. Санкт-Петербург, 195251, Россия</p></bio><bio xml:lang="en"><p>graduate student, Graduate School of Service and Trade, Institute of Industrial Management, Economics and Trade, Politechnicheskaya St., 29, Saint-Petersburg, 195251, Russia</p></bio><email xlink:type="simple">ruslan_ikramov@mail.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>Малютенкова</surname><given-names>С. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Malyutenkova</surname><given-names>S. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.т.н., доцент, Высшая школа сервиса и торговли, Институт промышленного менеджмента, экономики и торговли, ул. Политехническая, 29, г. Санкт-Петербург, 195251, Россия</p></bio><bio xml:lang="en"><p>Cand. Sci. (Engin.), associate professor, Graduate School of Service and Trade, Institute of Industrial Management, Economics and Trade, Politechnicheskaya St., 29, Saint-Petersburg, 195251, Russia</p></bio><email xlink:type="simple">malutesha66@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Санкт-Петербургский политехнический университет Петра Великого</institution></aff><aff xml:lang="en"><institution>Peter the Great St. Petersburg Polytechnic University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>21</day><month>03</month><year>2019</year></pub-date><volume>81</volume><issue>1</issue><fpage>218</fpage><lpage>224</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Нилова Л.П., Икрамов Р.А., Малютенкова С.М., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Нилова Л.П., Икрамов Р.А., Малютенкова С.М.</copyright-holder><copyright-holder xml:lang="en">Nilova L.P., Ikramov R.A., Malyutenkova S.M.</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.vestnik-vsuet.ru/vguit/article/view/2164">https://www.vestnik-vsuet.ru/vguit/article/view/2164</self-uri><abstract><p>В работе представлены оптические характеристики экстрактов, полученных из выжимок ягод семейства вересковых – брусники, клюквы, черники и голубики. Для получения экстрактов проводили отжим ягод электромеханическим способом. Из полученных выжимок ягод получали водные экстракты в микроволновой печи мощностью 800 Вт, частотой генерации 2450 мГц при разных режимах воздействия от 288 Вт до 800 Вт. Гидромодуль 1:10. Продолжительность СВЧ-нагрева 60 с. Контролем служили экстракты, полученные с использованием горячей воды и настаиванием в течение 10 мин. Оптические характеристики соков и экстрактов из выжимок ягод снимали спектрофотометрически в диапазоне длин волн 410-630 нм. Максимальные значения оптических спектров зафиксированы при D520 независимо от использованных ягод. Увеличение мощности СВЧ воздействия приводило к возрастанию оптических значений спектров экстрактов: черника &gt; голубика &gt; брусника &gt; клюква. Оптические характеристики СВЧ экстрактов достигали значений контроля при воздействии 464 Вт для черники и голубики, 648 Вт для брусники и 800 Вт для клюквы, что отразилось на интенсивности цвета и координатах цвета, но не оказывало существенного влияния на оттенок, за исключением черники. Координаты цвета экстрактов черники были наиболее приближены к координатам цвета соков, оттенок был более интенсивным, чем в соках, но находился в пределах, характерных для формирования цвета под влиянием антоцианов. Экстракты голубики имели большую интенсивность окраски, чем экстракты черники, но меньшие значения оттенка. Оптические характеристики ягодных экстрактов можно использовать для оптимизации гидромодуля и режимов экстракции.</p></abstract><trans-abstract xml:lang="en"><p>The paper presents the optical characteristics of extracts obtained from marc berries of the heather family - lingonberries, cranberries, blueberries and blueberries. To obtain extracts, the berries were pressed by electromechanical method. From the obtained marc berries, water extracts were obtained in a microwave oven with a power of 800 W and a generation frequency of 2450 MHz for different exposure modes from 288 W to 800 W. Hydraulic module 1:10. The duration of the microwave heating 60 seconds. Controls were extracts obtained using hot water and infusion for 10 minutes. The optical characteristics of the juices and extracts from the marc berries were measured spectrophotometrically in the wavelength range of 410-630 nm. The maximum values of the optical spectra were recorded at D520, regardless of the berries used. An increase in the power of the microwave effect led to an increase in the optical values of the spectra of the extracts: bilberry &gt; blueberry&gt; lingonberry&gt; cranberry. The optical characteristics of microwave extracts reached control values when exposed to 464 W for bilberries and blueberries, 648 W for lingonberries and 800 W for cranberries, which affected the color intensity and color coordinates, but did not significantly affect the shade, with the exception of bilberries. The color coordinates of bilberry extracts were closest to the color coordinates of the juices, the hue was more intense than in the juices, but was within the limits characteristic of the formation of color under the influence of anthocyanins. Bilberry extracts had a higher color intensity than blueberry extracts, but smaller shade values. Optical characteristics of berry extracts can be used to optimize the hydronic module and extraction modes.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>ягодные экстракты</kwd><kwd>СВЧ нагрев</kwd><kwd>интенсивность цвета</kwd><kwd>координаты цвета</kwd></kwd-group><kwd-group xml:lang="en"><kwd>berry extracts</kwd><kwd>microwave heating</kwd><kwd>color intensity</kwd><kwd>color coordinates</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">Pertuzatti P.B., Barcia M.T., Jacques A.C., Vizzotto M. et al. Quantification of Several Bioactive Compounds and Antioxidant Activities of Six Cultivars of Brazilian Blueberry // The Natural Products Journal. 2012. № 2. Р. 188–195.</mixed-citation><mixed-citation xml:lang="en">Pertuzatti P.B., Barcia M.T., Jacques A.C., Vizzotto M. et al. 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