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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-648</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>Статьи</subject></subj-group></article-categories><title-group><article-title>ИЗУЧЕНИЕ КИНЕТИКИ РАЗЛОЖЕНИЯ ДИГИДРАТА ОРОТАТА МАГНИЯ СПЕКТРОСКОПИЧЕСКИМ МЕТОДОМ</article-title><trans-title-group xml:lang="en"><trans-title>STUDY OF DEGRADATION KINETIC OF MAGNESIUM OROTATE DIHYDRATE BY SPECTROSCOPIC 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>Verma</surname><given-names>H.</given-names></name><name name-style="western" xml:lang="en"><surname>Verma</surname><given-names>H.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Капуртхала</p><p>Бела, Ропар, Пенджаб</p><p>Филлаур, Пенджаб </p></bio><bio xml:lang="en"><p>Kapurthala</p><p>Bela, Ropar, Punjab</p><p>Phillaur, Punjab </p></bio><email xlink:type="simple">frd.ohcpl@gmail.com</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>Garg</surname><given-names>R.</given-names></name><name name-style="western" xml:lang="en"><surname>Garg</surname><given-names>R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Капуртхала </p><p>Бела, Ропар, Пенджаб </p></bio><bio xml:lang="en"><p>Kapurthala </p><p>Bela, Ropar, Punjab</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>IKG Пенджабский технический университет; Фармацевтический колледж Амар Шахид Баба Аджит Сингх Джуджхар Сингха; Международный центр исследований и разработок, “Overseas HealthCare Pvt Ltd.”</institution></aff><aff xml:lang="en"><institution>IKG Punjab Technical University; Amar Shaheed Baba Ajit Singh Jujhar Singh Memorial College of Pharmacy; Overseas R &amp; D Centre, Overseas HealthCare Pvt Ltd.</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>IKG Пенджабский технический университет; Фармацевтический колледж Амар Шахид Баба Аджит Сингх Джуджхар Сингха</institution></aff><aff xml:lang="en"><institution>IKG Punjab Technical University; Amar Shaheed Baba Ajit Singh Jujhar Singh Memorial College of Pharmacy</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>30</day><month>06</month><year>2020</year></pub-date><volume>87</volume><issue>3</issue><fpage>479</fpage><lpage>487</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Verma H., Garg R., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Verma H., Garg R.</copyright-holder><copyright-holder xml:lang="en">Verma H., Garg R.</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/648">https://zhps.ejournal.by/jour/article/view/648</self-uri><abstract><p>Разработаны и апробированы пять спектрофотометрических методов определения дигидрата оротата магния в дистиллированной воде и буферных системах с рН 1.2, 4.5, 6.8 и 7.4. Среды выбраны для расширения применимости разработанных методов от создания лекарственных форм до регулярного контроля качества. Во всех средах наблюдалась линейная корреляция в диапазоне концентраций 1—25 мкг/мл. Разработанные методы оказались селективными и специфичными при определении дигидрата оротата магния в присутствии различных вспомогательных веществ, а также точными, прецизионными и надежными (относительное стандартное отклонение &lt; 2%, степень извлечения 98—102%). Установлены пределы обнаружения и количественного определения разработанных методов &lt; 1 мкг/мл. Кинетические исследования деградации показывают устойчивость дигидрата оротата магния к гидролизу (кислотному или основному), окислению, фотолизу и термической обработке.</p></abstract><trans-abstract xml:lang="en"><p>In present work we developed and validated five spectrophotometric methods for determination of magnesium orotate dihydrate in distilled water, pH 1.2, 4.5, 6.8, and 7.4 buffer systems. These media were selected to extend the applicability of the developed methods from the development of dosage forms to regular quality control. In all media, linear correlation was observed over the concentration range of 1 to 25 μg/mL. The developed methods were found to be selective and specific to the determination of magnesium orotate dihydrate in the presence of various excipients, as well as accurate, precise, and robust (the percent relative standard deviation was found to be less than 2%, and the percent recoveries were between 98 to 102%). The developed methods were also found to be highly sensitive, since the detection and quantification limits were found to be less than 1 μg/mL. The degradation kinetic studies reveal the stability of magnesium orotate dihydrate against hydrolysis (acidic or basic), oxidation, photolysis, and thermal treatment.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>дигидрат оротата магния</kwd><kwd>спектрофотометрия</kwd><kwd>рекомендации Международной конференции по гармонизации</kwd><kwd>кинетика деградации</kwd></kwd-group><kwd-group xml:lang="en"><kwd>magnesium orotate dihydrate</kwd><kwd>spectrophotometry</kwd><kwd>ICH guidelines</kwd><kwd>degradation kinetics</kwd></kwd-group><funding-group><funding-statement xml:lang="en">The authors would like to thank Overseas Health Care Pvt Ltd. and IKG Punjab Technical University for providing the necessary facilities to carry out this work.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">H. G. Classen, Rom. J. Int. 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