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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">hfb</journal-id><journal-title-group><journal-title xml:lang="ru">Health, Food &amp; Biotechnology</journal-title><trans-title-group xml:lang="en"><trans-title>Health, Food &amp; Biotechnology</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2712-7648</issn><publisher><publisher-name>РОСБИОТЕХ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.36107/hfb.2026.i2.s300</article-id><article-id custom-type="elpub" pub-id-type="custom">hfb-300</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>ЗДОРОВЬЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>HEALTH</subject></subj-group></article-categories><title-group><article-title>Влияние протойода на биохимические показатели и морфологическое строение щитовидной железы при экспериментальном гипотиреозе у крыс</article-title><trans-title-group xml:lang="en"><trans-title>The Influence of Protoiod on Biochemical Parameters and Morphological Structure of the Thyroid Gland in Experimental Hypothyroidism in Rats</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5649-8114</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Соловьев</surname><given-names>Владимир Борисович</given-names></name><name name-style="western" xml:lang="en"><surname>Solovev</surname><given-names>Vladimir B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор биологических наук, заместитель генерального директора</p></bio><email xlink:type="simple">bionauka@ya.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/0009-0008-7679-6718</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кальянов</surname><given-names>Максим Викторович</given-names></name><name name-style="western" xml:lang="en"><surname>Kalianov</surname><given-names>Maksim V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>генеральный директор</p></bio><email xlink:type="simple">mk@bt-z.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/0009-0000-2218-7679</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Столяров</surname><given-names>Антон Анатольевич</given-names></name><name name-style="western" xml:lang="en"><surname>Stolyarov</surname><given-names>Anton A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кандидат медицинских наук, главный врач</p></bio><email xlink:type="simple">anton-doc@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кузнецова</surname><given-names>Марина Сергеевна</given-names></name><name name-style="western" xml:lang="en"><surname>Kuznetsova</surname><given-names>Marina S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Инженер-химик</p></bio><email xlink:type="simple">msk@bt-z.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>Ескин</surname><given-names>Андрей Вячеславович</given-names></name><name name-style="western" xml:lang="en"><surname>Eskin</surname><given-names>Andrey V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>начальник лаборатории</p></bio><email xlink:type="simple">eskin@bt-z.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>Квиткина</surname><given-names>Наталья Ивановна</given-names></name><name name-style="western" xml:lang="en"><surname>Kvitkina</surname><given-names>Natalya I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>главный технолог</p></bio><email xlink:type="simple">nk@bt-z.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ООО «Гритт Фарм»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Gritt Pharm LLC, Zarechny, Penza Region, Russia</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Государственное бюджетное учреждение здравоохранения «Областной онкологический клинический диспансер»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Regional Clinical Cancer Centre, Penza, Russia</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ООО «Гритт Фарм»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Gritt Pharm LLC, Zarechny, Penza Region, Russi</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>10</day><month>07</month><year>2026</year></pub-date><volume>8</volume><issue>2</issue><fpage>6</fpage><lpage>18</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Соловьев В.Б., Кальянов М.В., Столяров А.А., Кузнецова М.С., Ескин А.В., Квиткина Н.И., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Соловьев В.Б., Кальянов М.В., Столяров А.А., Кузнецова М.С., Ескин А.В., Квиткина Н.И.</copyright-holder><copyright-holder xml:lang="en">Solovev V.B., Kalianov M.V., Stolyarov A.A., Kuznetsova M.S., Eskin A.V., Kvitkina N.I.</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.hfb-journal.ru/jour/article/view/300">https://www.hfb-journal.ru/jour/article/view/300</self-uri><abstract><sec><title>Введение</title><p>Введение. Проблема йододефицита остается одной из наиболее актуальных в современном мире. По данным ВОЗ, около 2 миллиардов человек проживают в регионах с недостаточным содержанием йода в окружающей среде. Традиционные методы обогащения пищи йодом имеют ряд существенных ограничений: нестабильность неорганических соединений, низкая биодоступность, риск передозировки. В связи с этим разработка новых форм йодсодержащих соединений является приоритетным направлением биотехнологии. Особую значимость приобретает создание белковых комплексов с йодом, обеспечивающих контролируемое высвобождение микроэлемента. Одним из последних препаратов, разработанных на основании этого подхода, является «Протойод», содержащий йодированный мицеллярный казеин в легкорастворимой форме. </p></sec><sec><title>Цель</title><p>Цель. Целью данной работы является исследование функциональной эффективности Протойода в профилактике и лечении экспериментального гипотиреоза в сравнении с классическими источниками йода. </p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Для оценки эффективности использовались гистологические методы изучения строения щитовидной железы после применения йодсодержащих препаратов на модели экспериментального гипотиреоза, а также определение уровня гормонов щитовидной железы в сыворотке крови крыс. Срезы щитовидной железы крыс окрашивали гематоксилин-эозином и подсчитывали относительную площадь тканевых компонентов щитовидной железы на оцифрованных снимках срезов с помощью программного обеспечения One Cell. Уровень тиреотропного и тиреоидных гормонов определяли методом иммуноферментного анализа. Результаты. Исследования показали, что Протойод —  полностью растворимый препарат, содержащий ковалентно связанный йод, — значительно превосходит по эффективности препараты сравнения, которые в настоящее время применяются для профилактики йододефицита, что, по-видимому, связано с его высокой биодоступностью. Высокие дозировки Протойода не угнетают синтез тиреоидных гормонов.</p></sec><sec><title>Выводы</title><p>Выводы. Полученные экспериментальные данные позволяют сделать вывод о его высокой эффективности в коррекции йододефицитных состояний.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. Iodine deficiency remains a pressing issue in the modern world. According to the WHO, approximately 2 billion people live in regions with insufficient iodine levels in the environment. Traditional methods of food fortification with iodine have several significant limitations: instability of inorganic compounds, low bioavailability, and the risk of overdose. Therefore, the development of new forms of iodine-containing compounds is a priority area of biotechnology. The creation of protein complexes with iodine, which ensure the controlled release of the microelement, is of particular importance. One of the latest products developed based on this approach is ‘Protoiod’, which contains iodinated micellar casein in a readily soluble form. </p></sec><sec><title>Purpose</title><p>Purpose. The purpose of this study is to investigate the functional efficacy of ‘Protoiod’ in the prevention and treatment of experimental hypothyroidism in comparison with traditional iodine sources. </p></sec><sec><title>Materials and Methods</title><p>Materials and Methods. To evaluate the effectiveness of the study, we used histological assessment methods for thyroid gland structure after administration of iodine-containing preparations in a model of experimental hypothyroidism, as well as determination of thyroid hormone levels in the blood serum of rats. Sections of the rat thyroid gland were stained with haematoxylin and eosin, and the relative area of the tissue components of the thyroid gland was calculated on digitised images of the sections using One Cell software. Thyrotropin and thyroid hormone levels were determined by enzyme-linked immunosorbent assay. </p></sec><sec><title>Results</title><p>Results. The study results showed that Protoiodine, a fully soluble substance containing covalently bound iodine, significantly outperforms reference drugs currently used to prevent iodine deficiency, which is likely due to its high bioavailability. High doses of Protoiodine do not inhibit thyroid hormone synthesis. </p></sec><sec><title>Conclusion</title><p>Conclusion. The obtained experimental data allow us to conclude that the biologically active supplement Protoiodine is highly effective in correcting iodine deficiency conditions.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>йододефицит</kwd><kwd>щитовидная железа</kwd><kwd>тиреоидные гормоны</kwd><kwd>тиреотропный гормон</kwd><kwd>йод</kwd><kwd>протойод</kwd><kwd>калия йодид</kwd><kwd>калия йодат</kwd></kwd-group><kwd-group xml:lang="en"><kwd>iodine deficiency</kwd><kwd>thyroid gland</kwd><kwd>thyroid hormones</kwd><kwd>thyroid-stimulating hormone</kwd><kwd>iodine</kwd><kwd>protoiod</kwd><kwd>potassium iodide</kwd><kwd>potassium iodate</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">Бабкина, Т. Н., Ленкова, Н. В., Заводова, А. А., &amp; Солохина, Э. Д. (2022). Влияние йодказеина на биохимические показатели при гипотиреозе у коров. 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