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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">techusgu</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Юго-Западного государственного университета. Серия: Техника и технологии</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the Southwest State University. Series: Engineering and Technology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2223-1528</issn><publisher><publisher-name>Юго-Западный государственный университет</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21869/2223-1528-2025-15-4-109-122</article-id><article-id custom-type="elpub" pub-id-type="custom">techusgu-358</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>ХИМИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CHEMISTRY</subject></subj-group></article-categories><title-group><article-title>Оценка возможности индивидуального и совместного хроматографического определения моно- и дисахаридов</article-title><trans-title-group xml:lang="en"><trans-title>Evaluation of the possibility of individual and joint chromatographic determination of mono- and disaccharides</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6256-2848</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мелихова</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Melikhova</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мелихова Елена Владимировна, кандидат химических наук, доцент, доцент кафедры химии</p></bio><bio xml:lang="en"><p>Elena V. Melikhova, Candidate of Sciences (Chemistry), Associate Professor, Associate Professor of the Department of Chemistry</p></bio><email xlink:type="simple">mev80@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/0009-0007-2493-9388</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Котельникова</surname><given-names>В. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Kotelnikova</surname><given-names>V. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Котельникова Вероника Сергеевна, студент третьего курса специальности 04.05.01 «Фундаментальная и прикладная химия»</p></bio><bio xml:lang="en"><p>Veronika S. Kotelnikova, Student</p></bio><email xlink:type="simple">kotelnikova86rus@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/0009-0003-0993-4627</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сырых</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Syrykh</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сырых Дмитрий Алексеевич, студент третьего курса специальности 04.05.01 «Фундаментальная и прикладная химия»</p></bio><bio xml:lang="en"><p>Dmitry A. Syrykh, Student</p></bio><email xlink:type="simple">sirih.dima2015@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/0000-0002-8724-4408</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Егоров</surname><given-names>Г. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Egorov</surname><given-names>G. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Егоров Геннадий Александрович, инженер 1 категории</p></bio><bio xml:lang="en"><p>Gennady A. Egorov, Engineer</p></bio><email xlink:type="simple">egorov_ga53@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Липецкий государственный технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Lipetsk State Technical 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>15</day><month>01</month><year>2026</year></pub-date><volume>15</volume><issue>4</issue><fpage>109</fpage><lpage>122</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Мелихова Е.В., Котельникова В.С., Сырых Д.А., Егоров Г.А., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Мелихова Е.В., Котельникова В.С., Сырых Д.А., Егоров Г.А.</copyright-holder><copyright-holder xml:lang="en">Melikhova E.V., Kotelnikova V.S., Syrykh D.A., Egorov G.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://techusgu.elpub.ru/jour/article/view/358">https://techusgu.elpub.ru/jour/article/view/358</self-uri><abstract><p>Цель работы – изучение условий разделения и определения моно- и дисахаридов в биологических пробах и образцах пищевых продуктов методом обращенно-фазовой высокоэффективной жидкостной хроматографии с УФ-детектированием.</p><sec><title>Методы</title><p>Методы. Исследования проводились на жидкостном хроматографе LC-20AD (Shimadzu, Япония) cо спектрофотометрическим детектором, колонкой Supelco LC-18-T (4,6×250 мм, 5 мкм) и программным обеспечением «LС solution». Альтернативный анализ проводили на спектрофотометре КФК-3 (Россия).</p></sec><sec><title>Результаты</title><p>Результаты. Экспериментально для индивидуального и совместного определения глюкозы, лактозы, сахарозы и фруктозы методом высокоэффективной хроматографии установлен состав подвижной фазы ацетонитрил:вода – 80:20 и скорость ее потока – 0,6 мл/мин, при которых достигается наибольшая чувствительность определения аналитов. Построены градуировочные функции индивидуального определения углеводов и в смеси, рассчитаны их метрологические характеристики. Наибольшая чувствительность зафиксирована при определении лактозы. Результаты хроматографического анализа сравнены с данными спектрофотометрического определения углеводов, значимых расхождений не найдено.</p></sec><sec><title>Заключение</title><p>Заключение. Анализ образцов урины и пищевых продуктов (молоко, сироп и печенье для диабетиков) показал соответствие заявленного производителем содержания аналитов и подтвердил диагноз больного, предоставившего биологическую жидкость. Это позволяет рекомендовать предложенные методики для контроля за содержанием моно- и дисахаридов в образцах со сложными по составу матрицами.</p></sec><sec><title> </title><p> </p></sec></abstract><trans-abstract xml:lang="en"><p>Purpose of research. To study the conditions of separation and determination of mono- and disaccharides in biological samples and food samples by reverse-phase high-performance liquid chromatography with UV detection.Methods. The studies were carried out using an LC-20AD liquid chromatograph (Shimadzu, Japan) with a spectrophotometric detector, a Supelco LC-18-T column (4.6×250 mm, 5 microns) and LC solution software. An alternative analysis was performed on a KFK-3 spectrophotometer (Russia).Results. The composition of the mobile phase acetonitrile has been experimentally determined for individual and joint determination of glucose, lactose, sucrose and fructose by high-performance chromatography:water is 80:20 and its flow rate is 0.6 ml/min, at which the highest sensitivity of analyte detection is achieved. Calibration functions for the individual determination of carbohydrates and mixtures are constructed, with the individual determination of glucose, lactose, sucrose and fructose, the linear ranges and detection limits  (сmin) are 0.5–30.0 mg/ml, сmin = 0.15 mg/ml; 25–45 mcg/ml, сmin = 9 mcg/ml; 4–16 mg/ml, сmin = 1.03 mg/ml; 5–40 mg/ml, сmin = 2.35 mg/ml, respectively. When combined: 0.5–15.0 mg/ml, сmin = 0.18 mg/ml for glucose; 30–45 mcg/ml, сmin = 2 mcg/ml for lactose; 4–32 mg/ml, сmin = 2.18 mg/ml for sucrose; 5–30 mg/ml, сmin = 3.34 mg/ml for fructose. The greatest sensitivity was recorded in the determination of lactose. The results of the chromatographic analysis were compared with the data of the spectrophotometric determination of carbohydrates, no significant discrepancies were found.Conclusion. Analysis of urine and food samples (milk, syrup, and cookies for diabetics) showed compliance with the analyte content stated by the manufacturer and confirmed the diagnosis of the patient who provided the biological fluid. This allows us to recommend the proposed methods for monitoring the content of mono- and disaccharides in samples with complex matrices. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>высокоэффективная жидкостная хроматография</kwd><kwd>углеводы</kwd><kwd>образцы пищевых продуктов</kwd><kwd>биологические жидкости</kwd></kwd-group><kwd-group xml:lang="en"><kwd>high-performance liquid chromatography</kwd><kwd>carbohydrates</kwd><kwd>food products</kwd><kwd>biological fluids</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">Терещук Л.В., Старовойтова К.В. Пищевая химия. Кемерово: Кемеров. гос. ун-т, 2020. 126 с.</mixed-citation><mixed-citation xml:lang="en">Tereshchuk L.V., Starovoitova K.V. Food chemistry. Kemerovo: Kemerov. gos. un-t; 2020. 126 p. 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