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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">dan</journal-id><journal-title-group><journal-title xml:lang="ru">Доклады Национальной академии наук Беларуси</journal-title><trans-title-group xml:lang="en"><trans-title>Doklady of the National Academy of Sciences of Belarus</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8323</issn><issn pub-type="epub">2524-2431</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1561-8323-2019-63-1-44-54</article-id><article-id custom-type="elpub" pub-id-type="custom">dan-584</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>Эффект УФ-облученных жирных кислот на спектральные свойства миоглобина</article-title><trans-title-group xml:lang="en"><trans-title>Effect of UV-irradiated fatty acids on the spectral properties of myoglobin</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>Литвинко</surname><given-names>Н. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Litvinko</surname><given-names>N. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Литвинко Наталья Михайловна - доктор химических наук, доцент, заведующая лабораторией.</p></bio><bio xml:lang="en"><p>Litvinko Natalia Mikhailovna - D. Sc. (Chemistry), Assistant Professor, Head of the Laboratory.</p><p>5/2, Kuprevich Str., 220141, Minsk</p></bio><email xlink:type="simple">al_h@mail.ru</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>Скоростецкая</surname><given-names>Л. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Skorostetskaya</surname><given-names>L. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Скоростецкая Лидия Адамовна - научный сотрудник.</p></bio><bio xml:lang="en"><p>Skorostetskaya Lydia Adamovna - Researcher.</p></bio><email xlink:type="simple">lydiask@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>Герловский</surname><given-names>Д. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Gerlovsky</surname><given-names>D. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Герловский Денис Олегович - кандидат химических наук, научный сотрудник.</p><p>Ул. Купревича, 5/2, 220141, Минск</p></bio><bio xml:lang="en"><p>Gerlovsky Denis Olegovich - Ph. D. (Chemistry), Researcher.</p></bio><email xlink:type="simple">denis2904-83@mail.ru</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>Ермакович</surname><given-names>Ю. Ш.</given-names></name><name name-style="western" xml:lang="en"><surname>Ermakovich</surname><given-names>Yu. Sh.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ермакович Юлия Ширалиевна - младший научный сотрудник.</p><p>Ул. Купревича, 5/2, 220141, Минск</p></bio><bio xml:lang="en"><p>Ermakovich Yulia Shiralievna - Junior researcher.</p><p>5/2, Kuprevich Str., 220141, Minsk</p></bio><email xlink:type="simple">ha-gal@mail.ru</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>Евдокимова</surname><given-names>Г. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Evdokimova</surname><given-names>G. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Евдокимова Гражина Станиславовна - младший научный сотрудник.</p><p>Ул. Купревича, 5/2, 220141, Минск</p></bio><bio xml:lang="en"><p>Evdokimova Grazhina Stanislavovna - Junior researcher.</p><p>5/2, Kuprevich Str., 220141, Minsk</p></bio><email xlink:type="simple">grazhinaiv@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт биоорганической химии, Национальная академия наук Беларуси</institution></aff><aff xml:lang="en"><institution>Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>11</day><month>03</month><year>2019</year></pub-date><volume>63</volume><issue>1</issue><fpage>44</fpage><lpage>54</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Литвинко Н.М., Скоростецкая Л.А., Герловский Д.О., Ермакович Ю.Ш., Евдокимова Г.С., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Литвинко Н.М., Скоростецкая Л.А., Герловский Д.О., Ермакович Ю.Ш., Евдокимова Г.С.</copyright-holder><copyright-holder xml:lang="en">Litvinko N.M., Skorostetskaya L.A., Gerlovsky D.O., Ermakovich Y.S., Evdokimova G.S.</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://doklady.belnauka.by/jour/article/view/584">https://doklady.belnauka.by/jour/article/view/584</self-uri><abstract><p>Изучена эффективность свободнорадикального окисления высших жирных кислот (пальмитиновой, олеиновой, линолевой, линоленовой, комплекса непредельных жирных кислот ряда Омега-3 и Омега-6 растительного происхождения) под воздействием УФ-облучения (λ = 180-400 нм) как возможного маркера перекисного окисления липидной фазы. Мицеллы жирных кислот в этиловом спирте были использованы в качестве модели липидной фазы. Эффект УФ-облучения на жирные кислоты определяли по спектральным изменениям миоглобина в области полосы Соре. Уровень перекисного окисления липидной фазы в то же время оценивали по накоплению малонового диальдегида как хорошо известного продукта облучения фосфолипидов. Получена прямо пропорциональная зависимость интенсивности разностного спектра Mb (ΔD) от числа двойных связей в молекуле окисленных жирных кислот, а также от времени их УФ-облучения и накопления вторичных продуктов перекисного окисления липидов. Это показывает, что спектральные изменения Mb под действием пула окисленных форм жирных кислот хорошо коррелируют с уровнем перекисного окисления липидной фазы и могут охарактеризовать антиоксидантный потенциал крови при совместном использовании с известным антиоксидантом Тролоксом в качестве ингибитора-калибратора.</p><p>Представлено членом-корреспондентом С. А. Усановым</p></abstract><trans-abstract xml:lang="en"><p>The efficiency of free radical oxidation of higher fatty acids (palmitic, oleic, linoleic, linolenic acids, complex of unsaturated fatty acids of omega-3 and omega-6 plant origin) under the influence of UV irradiation (λ = 180-400 nm) as a possible marker of lipid peroxidation is studied. Micelles of fatty acids (FA) in ethyl alcohol were used as a model of the lipid phase. The effect of UV irradiation on fatty acids was determined from the spectral changes of myoglobin in the region of the Soret band. The level of peroxide oxidation of the lipid phase at the same time was estimated from the accumulation of malonic dialdehyde as a well-known product of irradiation of phospholipids. The direct proportional dependence of the intensity of the difference spectrum of Mb (ΔD) on the number of double bonds in the molecule of oxidized fatty acids, as well as on the time of their UV irradiation and the accumulation of secondary LPO products is obtained. This shows that the spectral changes of Mb under the action of the pool of oxidized forms of fatty acids correlate well with the level of lipid phase peroxidation and can characterize the antioxidant potential of the blood when combined with the known antioxidant Trolox as a calibrator-inhibitor.</p><p>Communicated by Corresponding Member Sergei A. Usanov</p></trans-abstract><kwd-group xml:lang="ru"><kwd>жирные кислоты</kwd><kwd>миоглобин</kwd><kwd>УФ-облучение</kwd><kwd>общая антиоксидантная способность</kwd><kwd>антиоксидантный потенциал</kwd></kwd-group><kwd-group xml:lang="en"><kwd>fatty acids</kwd><kwd>myoglobin</kwd><kwd>UV irradiation</kwd><kwd>general antioxidant capacity</kwd><kwd>antioxidant potential</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">Thomas, C. E. Oxygen Radicals and the Disease Process / C. E. Thomas, B. Kalyanaraman. - Harwood Academic Publishers, 1998. - 296 p.</mixed-citation><mixed-citation xml:lang="en">Thomas C. E., Kalyanaraman B. Oxygen Radicals and the Disease Process. Harwood Academic Publ., 1998. 296 p.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Halliwell, B. 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