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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-984</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>АННОТАЦИИ АНГЛОЯЗЫЧНЫХ СТАТЕЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ABSTRACTS ENGLISH-LANGUAGE ARTICLES</subject></subj-group></article-categories><title-group><article-title>УФ-спектрофотометрический метод определения хризина и его растворимости</article-title><trans-title-group xml:lang="en"><trans-title>Development and Validation of UV Spectrophotometric Method for Determination of Chrysin and Its Solubility Studies</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>Bansal</surname><given-names>A.</given-names></name><name name-style="western" xml:lang="en"><surname>Bansal</surname><given-names>A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нойда</p></bio><bio xml:lang="en"><p>Noida</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>Srivastava</surname><given-names>N.</given-names></name><name name-style="western" xml:lang="en"><surname>Srivastava</surname><given-names>N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нойда</p></bio><bio xml:lang="en"><p>Noida</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>Nagpal</surname><given-names>K.</given-names></name><name name-style="western" xml:lang="en"><surname>Nagpal</surname><given-names>K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нойда</p></bio><bio xml:lang="en"><p>Noida</p></bio><email xlink:type="simple">knchaswal@amity.edu</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Фармацевтический институт Университета Уттар-Прадеша</institution><country>Индия</country></aff><aff xml:lang="en"><institution>Amity Institute of Pharmacy, Amity University Uttar Pradesh</institution><country>India</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>04</day><month>02</month><year>2022</year></pub-date><volume>89</volume><issue>1</issue><fpage>134</fpage><lpage>142</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Bansal A., Srivastava N., Nagpal K., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Bansal A., Srivastava N., Nagpal K.</copyright-holder><copyright-holder xml:lang="en">Bansal A., Srivastava N., Nagpal K.</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/984">https://zhps.ejournal.by/jour/article/view/984</self-uri><abstract><p>Разработан УФ-спектрофотометрический метод количественной оценки хризина. Изучено влияние природы растворителя на растворимость хризина. Исходный и разбавленный растворы сканировали с использованием УФ-видимого спектрофотометра для получения λmax. Для построения калибровочной кривой регистрировали оптическую плотность образцов и с использованием программного обеспечения MS Excel и Sigma stat устанавливали регрессионную зависимость. Разработанный метод дополнительно проверен на линейность, точность, пределы обнаружения и количественной оценки, надежность. Растворимость хризина определяли при 35 °C в различных маслах, растворителях и сорастворителях. Обнаружено, что λmax хризина в метаноле составляет 367 нм. Калибровочная кривая препарата линейна в диапазоне 2–10 мкг/мл с коэффициентом корреляции 0.991. Точность метода проверена для концентрации аналита 80, 100 и 120 % при степени извлечения 97–99.5 %. Прецизионные исследования проводились с учетом суточных и межсуточных вариаций. Надежность предложенного метода изучалась с привлечением двух аналитиков. Обнаружено, что растворимость хризина максимальна в метаноле (216.80±0.0097 мкг/мл) в сравнении с используемыми маслами, растворителями и сорастворителями. Проведенные эксперименты показывают точность и воспроизводимoсть разработанного метода. Вязкость растворителя и возможность образования водородных связей – решающие факторы, влияющие на растворимость хризина.</p></abstract><trans-abstract xml:lang="en"><p>The present work is based on the method development and validation of the UV-spectrophotometric method for the quantitative estimation of chrysin. We studied how the nature of the solvent affects chrysin solubility. The stock and diluted solutions were scanned using a UV visible spectrophotometer to obtain the λmax. The absorbance of the samples was recorded to obtain a calibration curve, which was followed by regression using MS Excel and Sigma stat software. The method developed by this process was further validated using parameters such as linearity, precision, limit of detection, limit of quantification, accuracy, and ruggedness. The solubility of chrysin was checked at 35oC in different oils, solvents, and co-solvents. The λmax of chrysin in methanol was found to be 367 nm. The calibration curve of the drug follows linearity (2–10 μg/mL) with a correlation coefficient of 0.991. At three different levels, i.e., 80, 100, and 120%, the method’s accuracy was checked utilizing the percent recovery (97–99.5%). The precision studies were carried out in terms of intraday and interday variations. The ruggedness of the proposed method was studied by taking two. The solubility of chrysin was found to be the maximum in methanol (216.80±0.0097 μg/mL) among the oils, solvents, and co-solvents used. Thus, based on the experiments done, the developed method was observed to be accurate, precise, and reproducible. The viscosity of the solvent and the possibility of hydrogen bonding are two crucial factors that affected the solubility of chrysin in the solvents.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>хризин</kwd><kwd>руководящие принципы ICH</kwd><kwd>определение растворимости</kwd><kwd>УФ-спектрофотометрический метод</kwd><kwd>количественная оценка</kwd><kwd>валидация</kwd></kwd-group><kwd-group xml:lang="en"><kwd>chrysin</kwd><kwd>ICH guidelines</kwd><kwd>solubility determination</kwd><kwd>UV spectrophotometric method</kwd><kwd>quantitative estimation</kwd><kwd>validation</kwd></kwd-group><funding-group><funding-statement xml:lang="en">The authors like to acknowledge Xi’an Alladin Biotech Co. Ltd. for providing chrysin for this study.</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. Kaur, A. Thakkar, K. 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