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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">agroengineering</journal-id><journal-title-group><journal-title xml:lang="ru">Агроинженерия</journal-title><trans-title-group xml:lang="en"><trans-title>Agricultural Engineering (Moscow)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2687-1149</issn><issn pub-type="epub">2687-1130</issn><publisher><publisher-name>РГАУ-МСХА</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.26897/2687-1149-2023-4-60-64</article-id><article-id custom-type="elpub" pub-id-type="custom">agroengineering-628</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>ТЕХНИКА И ТЕХНОЛОГИИ АПК</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>FARM MACHINERY AND TECHNOLOGIES</subject></subj-group></article-categories><title-group><article-title>Влияние сублимационной сушки на качественные показатели клубней картофеля</article-title><trans-title-group xml:lang="en"><trans-title>Freeze-drying of potato tubers: a study of the qualitative indicators</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9365-7631</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Старовойтов</surname><given-names>В. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Starovoitov</surname><given-names>V. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Старовойтов Виктор Иванович - д-р техн. наук, профессор</p><p>140051, Московская область, Люберецкий район, п. Красково, ул. Лорха, 23, литер В</p></bio><bio xml:lang="en"><p>Viktor I. Starovoitov - DSc (Eng)</p><p>Lorkh Str., 23, liter В, Kraskovo, Lyubertsy district, Moscow region, 140051</p></bio><email xlink:type="simple">agronir1@mail.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/0000-0002-7833-1331</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Жевора</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhevora</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Жевора Сергей Валентинович - д-р с.-х. наук, профессор</p><p>140051, Московская область, Люберецкий район, п. Красково, ул. Лорха, 23, литер В</p></bio><bio xml:lang="en"><p>Sergey V. Zhevora - DSc (Ag)</p><p>Lorkh Str., 23, liter В, Kraskovo, Lyubertsy district, Moscow region, 140051</p></bio><email xlink:type="simple">zhevoraserg@yandex.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/0000-0002-8293-6579</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Старовойтова</surname><given-names>О. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Starovoitova</surname><given-names>O. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Старовойтова Оксана Анатольевна - д-р с.-х. наук</p><p>140051, Московская область, Люберецкий район, п. Красково, ул. Лорха, 23, литер В</p></bio><bio xml:lang="en"><p>Oksana A. Starovoitova - DSc (Ag)</p><p>Lorkh Str., 23, liter В, Kraskovo, Lyubertsy district, Moscow region, 140051</p></bio><email xlink:type="simple">agronir2@mail.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/0000-0003-2320-9985</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Семенов</surname><given-names>Г. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Semenov</surname><given-names>G. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Семенов Геннадий Вячеславович -д-р техн. наук, профессор</p><p>125080, г. Москва, Волоколамское шоссе, 11</p></bio><bio xml:lang="en"><p>Gennadiy V. Semenov - DSc (Eng)</p><p>11, Volokolamskoe Ave., Moscow, 125080</p></bio><email xlink:type="simple">sgv47@yandex.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/0000-0002-9785-1164</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Манохина</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Manokhina</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Манохина Александра Анатольевна - д-р с.-х. наук, доцент</p><p>127434,  г. Москва, ул. Тимирязевская, 49</p></bio><bio xml:lang="en"><p>Aleksandra А. Manokhina - DSc (Ag)</p><p>Timiryazevskaya Str., 49, Moscow, 127434</p></bio><email xlink:type="simple">alexman80@list.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральный исследовательский центр картофеля имени А.Г. Лорха</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian Potato Research Centre (RPRC)</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Российский биотехнологический университет (РОСБИОТЕХ)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian Biotechnological University (RUSBIOTECH)</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Российский государственный аграрный университет – МСХА имени К.А. Тимирязева</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian State Agrarian University – Moscow Timiryazev Agricultural Academy</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>07</day><month>09</month><year>2023</year></pub-date><volume>25</volume><issue>4</issue><fpage>60</fpage><lpage>64</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Старовойтов В.И., Жевора С.В., Старовойтова О.А., Семенов Г.В., Манохина А.А., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Старовойтов В.И., Жевора С.В., Старовойтова О.А., Семенов Г.В., Манохина А.А.</copyright-holder><copyright-holder xml:lang="en">Starovoitov V.I., Zhevora S.V., Starovoitova O.A., Semenov G.V., Manokhina A.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://agroengineering.timacad.ru/jour/article/view/628">https://agroengineering.timacad.ru/jour/article/view/628</self-uri><abstract><p>Снижение массы сублимированного картофеля в 4 раза, увеличение срока хранения в десятки раз и устойчивость сублимированного продукта к перепадам температур обуславливает развитие производства сублимированных овощей. С целью изучения качественных показателей клубней картофеля до сублимационной сушки и после нее с помощью стандартных методик проведены исследования отечественных и зарубежных сортов включая сорта с пигментированной мякотью и кожурой. Сублимационная сушка клубней картофеля проводилась в вакуум-сублимационной установке УСС‑5 в два этапа: быстрое замораживание пластинок образцов толщиной 2..3 см до –30°C в течение 4 ч и нагрев до +50°C в течение 2,5 ч. Клубни сырого картофеля и сублимированные образцы исследовались на содержание антиоксидантов, фенолов и флавоноидов с использованием стандартных методик. Результаты биохимического анализа показали суммарное содержание спирторастворимых флавоноидов в свежей мякоти картофеля в пересчете на кверцетин 0,08…1,13 мг/г сырой массы, в сублимированных образцах – 0,22…1,46 мг/г сухой массы; суммарное содержание низкомолекулярных антиоксидантов в свежей мякоти от 0,12 до 1,92 мг/г сырой массы, фенольных соединений в сублимированных образцах от 0,55 до 4,63 мг/г сухой массы в эквивалентах галловой кислоты. Исследован уровень поглощения влаги сублимированными ломтиками клубней картофеля. Насыщение влагой пластинок сублимированного картофеля при погружении в воду комнатной температуры наступило в течение 60 мин. Сублимационная сушка не повлияла на содержание антиоксидантов в клубнях картофеля, что позволяет использовать этот метод для создания продуктов здорового питания.</p></abstract><trans-abstract xml:lang="en"><p> Freeze-dried vegetable production is intensively developing due to its advantages – a four-time decrease in the weight of supplied freeze-dried potatoes, increased shelf life by dozens of times, and the resistance of freeze-dried products to temperature fluctuations. To study the quality indicators of potato tubers before freeze-drying and after it using standard techniques, the authors analyzed domestic and foreign varieties including those with pigmented flesh and peel. Freeze-drying of potato tubers was carried out in the vacuum-sublimation machine USS‑5 in two stages: rapid freezing of 2 to 3 cm thick sample plates to –30°C during 4 h and heating to +50°C during 2.5 h. Raw potato tubers and freeze-dried samples were tested for antioxidant, phenolic and flavonoid content using standard methods. The results of biochemical analysis showed the total content of alcoholsoluble flavonoids in fresh potato pulp in recalculation on quercetin 0.08 to 1.13 mg/g raw weight, in freeze-dried samples – 0.22 to 1.46 mg/g dry weight; total content of low-molecular antioxidants in fresh pulp from 0.12 to 1.92 mg/g raw weight, phenolic compounds in freeze-dried samples from 0.55 to 4.63 mg/g dry weight in gallic acid equivalents. The study also focused on the determination of the moisture absorption level of freeze-dried potato tuber slices. Moisture saturation of freeze-dried potato slices when immersed in room temperature water occurred within 60 min. Freeze drying had no effect on the antioxidant content of the potato tubers. Therefore, this method can be used to produce healthy foods.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>картофель</kwd><kwd>сублимационная сушка клубней картофеля</kwd><kwd>клубни</kwd><kwd>содержание  антиоксидантов</kwd><kwd>содержание растворимых фенольных соединений</kwd><kwd>содержание флавоноидов</kwd></kwd-group><kwd-group xml:lang="en"><kwd>potatoes</kwd><kwd>freeze-drying of potato tubers</kwd><kwd>tubers</kwd><kwd>antioxidant content</kwd><kwd>soluble phenolic content</kwd><kwd>flavonoid content</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">Старовойтов В.И., Манохина А.А., Старовойтова О.А., Воронов Н.В., Воронова Г.С. 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