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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">kurskvest</journal-id><journal-title-group><journal-title xml:lang="ru">Человек и его здоровье</journal-title><trans-title-group xml:lang="en"><trans-title>Humans and their health</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1998-5746</issn><issn pub-type="epub">1998-5754</issn><publisher><publisher-name>Kursk State Medical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21626/vestnik/2023-2/10</article-id><article-id custom-type="edn" pub-id-type="custom">DHVEMI</article-id><article-id custom-type="elpub" pub-id-type="custom">kurskvest-1172</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>ФАРМАЦЕВТИЧЕСКИЕ НАУКИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PHARMACEUTICAL SCIENCES</subject></subj-group></article-categories><title-group><article-title>Определение мексидола в таблетках методом производной спектрофотометрии</article-title><trans-title-group xml:lang="en"><trans-title>Determination of Mexidol in tablets by the method of derivative spectrophotometry</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5899-0420</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Квачахия</surname><given-names>Лексо Лорикович</given-names></name><name name-style="western" xml:lang="en"><surname>Kvachakhiya</surname><given-names>Lekso L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р фарм. наук, зав. кафедрой фармацевтической, токсикологической и аналитической химии, КГМУ, г. Курск</p></bio><bio xml:lang="en"><p>Dr. Sci. (Pharm.), Head of the Department of Pharmaceutical, Toxicological, and Analytical Chemistry, KSMU, Kursk, Russian Federation</p></bio><email xlink:type="simple">lekso82@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/0000-0001-8872-0691</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шорманов</surname><given-names>Владимир Камбулатович</given-names></name><name name-style="western" xml:lang="en"><surname>Shormanov</surname><given-names>Vladimir K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р фарм. наук, профессор кафедры фармацевтической, токсикологической и аналитической химии, КГМУ, г. Курск</p></bio><bio xml:lang="en"><p>Dr. Sci. (Pharm.), Professor at the Department of Pharmaceutical, Toxicological, and Analytical Chemistry, KSMU, Kursk, Russian Federation</p></bio><email xlink:type="simple">r-wladimir@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/0009-0007-2185-3300</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Максина</surname><given-names>Елена Викторовна</given-names></name><name name-style="western" xml:lang="en"><surname>Maksina</surname><given-names>Elena V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ст. лаборант кафедры фармацевтической, токсикологической и аналитической химии, КГМУ, г. Курск</p></bio><bio xml:lang="en"><p>Senior Laboratory Assistant at the Department of Pharmaceutical, Toxicological, and Analytical Chemistry, KSMU, Kursk, Russian Federation</p></bio><email xlink:type="simple">evbelyaeva78@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Курский государственный медицинский университет (КГМУ)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Kursk State Medical University (KSMU)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>29</day><month>06</month><year>2023</year></pub-date><volume>26</volume><issue>2</issue><fpage>80</fpage><lpage>85</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Квачахия Л.Л., Шорманов В.К., Максина Е.В., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Квачахия Л.Л., Шорманов В.К., Максина Е.В.</copyright-holder><copyright-holder xml:lang="en">Kvachakhiya L.L., Shormanov V.K., Maksina E.V.</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.kursk-vestnik.ru/jour/article/view/1172">https://www.kursk-vestnik.ru/jour/article/view/1172</self-uri><abstract><p>Мексидол (3-гидрокси-6-метил-2-этилпиридина сукцинат) - лекарственное средство, проявляющее нейропротекторное, антигипоксическое, антиишемическое, ноотропное, антистрессовое и геропротекторное действие и способное подавлять или замедлять реакции окисления. Цель: разработка селективной и несложной методики оценки содержания мексидола в таблетках. Материалы и методы. Объектами исследования явились мексидол (3-гидрокси-6-метил-2-этилпиридина сукцинат) и таблетки мексидола 0,125 г. Как метод анализа применена производная спектрофотометрия. Результаты. Выявлена способность мексидола интенсивно поглощать электромагнитное излучение в области кварцевого ультрафиолета. Это обстоятельство обусловлено тем, что в молекуле аналита присутствует ряд хромофорных группировок: система сопряженных ароматических связей пиридинового цикла, неспаренные электроны у атома азота и енольный гидроксил, сопряженный с ароматической системой. В области 292 нм имеется линейная зависимость производных 2-го порядка удельного коэффициента поглощения мексидола от количества аналита в фотометрируемом растворе (интервал 2,5-50,0 мкг/мл). Построен градуировочный график, проведен расчет его уравнения методом наименьших квадратов. Коэффициент корреляции превышает 0,999. Пределы обнаружения и количественного определения составляют 1,25 и 2,5 мкг/мл соответственно. Методика характеризуется необходимой воспроизводимостью и правильностью. Значения стандартного отклонения и относительного стандартного отклонения при определении аналита с использованием предлагаемой методики (n=6; p=0,95) в таблеточной массе равны соответственно 1,16 и 0.012, в таблетках 0,125 г - соответственно 1,32 и 0,013. Заключение. Разработана простая и селективная методика оценки количественного содержания мексидола в таблетках 0,125 г на основе расчета производных спектров второго порядка.</p></abstract><trans-abstract xml:lang="en"><p>Mexidol (3-hydroxy-6-methyl-2-ethylpyridine succinate) is a drug that exhibits neuroprotective, antihypoxic, anti-ischemic, nootropic, anti-stress and geroprotective effects and can suppress or slow down oxidation reactions. Оbjective: to develop a selective and simple method for assessing the content of mexidol in tablets. Materials and methods. The objects of the study were mexidol (3-hydroxy-6-methyl-2-ethylpyridine succinate) and Mexidol tablets 0.125 g. Derivative spectrophotometry was used as an analysis method. Results. The ability of mexidol to intensively absorb electromagnetic radiation in the quartz ultraviolet region was revealed. This phenomenon is due to the fact that the analyte molecule contains a number of chromophore groups: a system of conjugated aromatic bonds of the pyridine ring, unpaired electrons at the nitrogen atom, and an enol hydroxyl conjugated with the aromatic system In the region of 292 nm, there is a linear dependence of the derivatives of the 2nd order of the specific absorption coefficient of mexidol on the amount of analyte in the photometric solution (range 2.5-50.0 μg/ml). A calibration graph has been constructed, and its equation has been calculated by the least-squares method. The correlation coefficient exceeds 0.999. The limits of detection and quantification are 1.25 and 2.5 µg/ml, respectively. The technique is characterized by the necessary reproducibility and correctness. The values of the standard deviation and relative standard deviation in the determination of the analyte using the proposed method (n=6; P=0.95) in the tablet mass are 1.16 and 0.012, respectively, in tablets of 0.125 g, 1.32 and 0.013, respectively. Conclusion. A simple and selective method has been developed for estimating the quantitative content of mexidol in 0.125 g tablets based on the calculation of second-order derivatives of spectra.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>мексидол (3-гидрокси-6-метил-2-этилпиридина сукцинат)</kwd><kwd>производная спектрофотометрия</kwd><kwd>определение в таблетках</kwd></kwd-group><kwd-group xml:lang="en"><kwd>mexidol (3-hydroxy-6-methyl-2-ethylpyridine succinate)</kwd><kwd>spectrophotometric derivative</kwd><kwd>determination in tablets</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">Карманова Е.Е., Черников А.В., Усачева А.М., Брусков В.И. Антиоксидантные и генопротекторные свойства этилметилгидроксипиридина сукцината (мексидола) при рентгеновском облучении. Химико-фармацевтический журнал. 2020;54(7):10-14. DOI: 10.30906/0023-1134-2020-54-7-10-14. EDN: CPEPBY.</mixed-citation><mixed-citation xml:lang="en">Karmanova E.E., Chernikov A.V., Usacheva A.M., Bruskov V.I. Antioxidant and gene-protective properties of ethylmethylhydroxypyridine succinate (Mexidol) in X-ray irradiation. Pharmaceutical Chemistry Journal. 2020;54(7):673-677. DOI: 10.1007/s11094-020-02255-2. EDN: TDBFOQ.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Smyth D., Kramarz C., Car A.S., Rossor A.M., Lunn M.P. Toxic neuropathies: a practical approach. Pract Neurol. 2023;23:120-130. DOI: 10.1136/practneurol-2022-003444.</mixed-citation><mixed-citation xml:lang="en">Smyth D., Kramarz C., Car A.S., Rossor A.M., Lunn M.P. Toxic neuropathies: a practical approach. Pract Neurol. 2023;23:120-130. DOI: 10.1136/practneurol-2022-003444.</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">Sadeghi H., Shahidi S.A., Raeisi S.N., Ghorbani-HasanSaraei A., Karimi F. Electrochemical determination of vitamin B6 in water and juice samples using an electrochemical sensor amplified with NiO/CNTs and Ionic liquid.Int. J. Electrochem. Sci. 2020;15:10488-10498. DOI: 10.20964/2020.10.51</mixed-citation><mixed-citation xml:lang="en">Sadeghi H., Shahidi S.A., Raeisi S.N., Ghorbani-HasanSaraei A., Karimi F. Electrochemical determination of vitamin B6 in water and juice samples using an electrochemical sensor amplified with NiO/CNTs and Ionic liquid.Int. J. Electrochem. Sci. 2020;15:10488-10498. DOI: 10.20964/2020.10.51</mixed-citation></citation-alternatives></ref><ref id="cit4"><label>4</label><citation-alternatives><mixed-citation xml:lang="ru">Pereira D.F., Santana E.R., Spinelli A. Electrochemical paper-based analytical devices containing magnetite nanoparticles for the determination of vitamins B2 and B6. Microchemical Journal. 2022;179:107588. DOI: 10.1016/j.microc.2022.107588</mixed-citation><mixed-citation xml:lang="en">Pereira D.F., Santana E.R., Spinelli A. Electrochemical paper-based analytical devices containing magnetite nanoparticles for the determination of vitamins B2 and B6. Microchemical Journal. 2022;179:107588. DOI: 10.1016/j.microc.2022.107588</mixed-citation></citation-alternatives></ref><ref id="cit5"><label>5</label><citation-alternatives><mixed-citation xml:lang="ru">Farag A.S., Pravcová K., Česlová L., Vytřas K., Sýs M. Simultaneous determination of caffeine and pyridoxine in energy drinks using differential pulse voltammetry at glassy carbon electrode modified with Nafion®. Electroanalysis. 2019;31(8):1494-1499. DOI: 10.1002/elan.201800646</mixed-citation><mixed-citation xml:lang="en">Farag A.S., Pravcová K., Česlová L., Vytřas K., Sýs M. Simultaneous determination of caffeine and pyridoxine in energy drinks using differential pulse voltammetry at glassy carbon electrode modified with Nafion®. Electroanalysis. 2019;31(8):1494-1499. DOI: 10.1002/elan.201800646</mixed-citation></citation-alternatives></ref><ref id="cit6"><label>6</label><citation-alternatives><mixed-citation xml:lang="ru">Pereira D.F., Santana E.R., Spinelli A. Electrochemical paper-based analytical devices containing magnetite nanoparticles for the determination of vitamins B2 and B6. Microchemical Journal. 2022;179:107588. DOI: 10.1016/j.microc.2022.107588</mixed-citation><mixed-citation xml:lang="en">Pereira D.F., Santana E.R., Spinelli A. Electrochemical paper-based analytical devices containing magnetite nanoparticles for the determination of vitamins B2 and B6. Microchemical Journal. 2022;179:107588. DOI: 10.1016/j.microc.2022.107588</mixed-citation></citation-alternatives></ref><ref id="cit7"><label>7</label><citation-alternatives><mixed-citation xml:lang="ru">Ullah Q., Mohammad A. Vitamins determination by TLC/HPTLC - a mini-review. JPC-Journal of Planar Chromatography-Modern TLC. 2020;33:429-437. DOI: 10.1007/s00764-020-00051-y</mixed-citation><mixed-citation xml:lang="en">Ullah Q., Mohammad A. Vitamins determination by TLC/HPTLC - a mini-review. JPC-Journal of Planar Chromatography-Modern TLC. 2020;33:429-437. DOI: 10.1007/s00764-020-00051-y</mixed-citation></citation-alternatives></ref><ref id="cit8"><label>8</label><citation-alternatives><mixed-citation xml:lang="ru">Shormanov V.K., Bulatnikov G.G. Photometric determination of collagen. Journal of Analytical Chemistry. 2006;61(4):320-324. DOI: 10.1134/S1061934806040034</mixed-citation><mixed-citation xml:lang="en">Shormanov V.K., Bulatnikov G.G. Photometric determination of collagen. Journal of Analytical Chemistry. 2006;61(4):320-324. DOI: 10.1134/S1061934806040034</mixed-citation></citation-alternatives></ref><ref id="cit9"><label>9</label><citation-alternatives><mixed-citation xml:lang="ru">Шорманов В.К., Квачахия Л.Л., Ртищев К.П. Определение верапамила в плазме крови. Курский научно-практический вестник «Человек и его здоровье». 2014;(2):107-113. EDN: SNMMSV</mixed-citation><mixed-citation xml:lang="en">Shormanov V.K., Kvachakhiya L.L., Rtishchev K.P. Determination of verapamil in blood plasma. Kursk scientific and practical bulletin “Man and his health”. 2014;(2):107-113 (in Russ.). EDN: SNMMSV</mixed-citation></citation-alternatives></ref></ref-list><fn-group><fn fn-type="conflict"><p>The authors declare that there are no conflicts of interest present.</p></fn></fn-group></back></article>
