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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-1863</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>СПЕКТРОСКОПИЯ В БИОЛОГИИ И МЕДИЦИНЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>SPECTROSCOPY IN BIOLOGY AND MEDICINE</subject></subj-group></article-categories><title-group><article-title>Вариации в составе сока плодов рябины, изученные методом ЯМР</article-title><trans-title-group xml:lang="en"><trans-title>Variations in the Composition of Rowan Berry Juice Studied with NMR Method</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>Скаковский</surname><given-names>Е. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Skakovsky</surname><given-names>E. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><email xlink:type="simple">sed@ifoch.bas-net.by</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>Тычинская</surname><given-names>Л. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Tychinskaya</surname><given-names>L. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Молчанова</surname><given-names>О. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Molchanova</surname><given-names>O. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гапанькова</surname><given-names>Е. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Gapankova</surname><given-names>E. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Милов</surname><given-names>В. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Milov</surname><given-names>V. М.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт физико-органической химии НАН Беларуси</institution></aff><aff xml:lang="en"><institution>Institute of Physical-Organic Chemistry of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Лицей Белорусского национального технического университета</institution></aff><aff xml:lang="en"><institution>Lyceum of the Belarusian National Technical University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>20</day><month>05</month><year>2025</year></pub-date><volume>92</volume><issue>3</issue><fpage>395</fpage><lpage>399</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Скаковский Е.Д., Тычинская Л.Ю., Молчанова О.А., Гапанькова Е.И., Милов В.М., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Скаковский Е.Д., Тычинская Л.Ю., Молчанова О.А., Гапанькова Е.И., Милов В.М.</copyright-holder><copyright-holder xml:lang="en">Skakovsky E.D., Tychinskaya L.Y., Molchanova O.A., Gapankova E.I., Milov V.М.</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/1863">https://zhps.ejournal.by/jour/article/view/1863</self-uri><abstract><p>Методом ЯМР изучен состав сока плодов различных сортов рябины: рябины обыкновенной (Sorbus aucuparia), Невежинской (Sorbus Nevezhinskaja), гранатной (Crataegosorbus Granatnaja). Идентифицированы спектрально 10 соединений (углеводов и органических кислот), установлено их содержание. Во всех образцах в ряду углеводов наиболее представлен сорбитол, среди кислот — яблочная, не обнаружено наличия сорбиновой и парасорбиновой кислот. Под влиянием низких температур (–18 ºС в течение 1 месяца) в плодах рябины возрастает содержание сорбитола, уменьшается количество яблочной кислоты и не изменяется содержание парасорбозида. В процессе созревания плодов наблюдается увеличение количества сорбитола в соке и уменьшение яблочной кислоты и парасорбозида, что улучшает его пищевые качества.</p></abstract><trans-abstract xml:lang="en"><p>The NMR method was used to study the composition of juice of fruits of different rowan varieties: common rowan (Sorbus aucuparia), Nevezhinskaya (Sorbus Nevezhinskaja), pomegranate (Crataegosorbus Granatnaja). 10 compounds – carbohydrates and organic acids – were spectrally identified and their content was determined. In all samples, sorbitol was mostly represented among carbohydrates, malic acid was mostly represented among acids, and sorbic and parasorbic acids were not detected. Under the influence of low temperatures (–18°C for a month), the sorbitol content in rowan fruits increased, the amount of malic acid decreased, and the content of parasorboside did not change. During the ripening of rowan fruits, an increase in the amount of sorbitol in the juice and a decrease in malic acid and parasorboside were observed, which improves its nutritional qualities.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>спектр ЯМР</kwd><kwd>сок рябины</kwd><kwd>сорбитол</kwd><kwd>глюкоза</kwd><kwd>фруктоза</kwd><kwd>парасорбозид</kwd><kwd>сорбиновая кислота</kwd></kwd-group><kwd-group xml:lang="en"><kwd>NMR spectra</kwd><kwd>rowan juice</kwd><kwd>sorbitol</kwd><kwd>glucose</kwd><kwd>fructose</kwd><kwd>parasorboside</kwd><kwd>sorbic acid</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">С. А. Деренько, Н. И. Супрунов, И. А. Курлянчик. Растит. ресурсы, 15, № 3 (1979) 441—453</mixed-citation><mixed-citation xml:lang="en">С. А. Деренько, Н. И. Супрунов, И. А. Курлянчик. 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