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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">meatmilk</journal-id><journal-title-group><journal-title xml:lang="ru">Актуальные вопросы переработки мясного и молочного сырья</journal-title><trans-title-group xml:lang="en"><trans-title>Topical Issues of Processing of Meat and Milk Raw Materials</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2220-8755</issn><publisher><publisher-name>Институт системных исследований в АПК Национальной академии наук Беларуси</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">meatmilk-496</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>БИОТЕХНОЛОГИЯ</subject></subj-group></article-categories><title-group><article-title>ИЗУЧЕНИЕ УРОВНЯ БИОСИНТЕЗА ОРГАНИЧЕСКИХ КИСЛОТ КУЛЬТУРАМИ ПРОПИОНОВОКИСЛЫХ БАКТЕРИЙ</article-title><trans-title-group xml:lang="en"><trans-title>STUDY OF THE LEVEL OF ORGANIC ACID BIOSYNTHESIS BY PROPIONIC ACID BACTERIA CULTURES</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>Сидерко</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Siderko</surname><given-names>I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><email xlink:type="simple">myirinka718@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>Жабанос</surname><given-names>Н. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhabanos</surname><given-names>N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.т.н., доцент, </p><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><email xlink:type="simple">nzhabanos@tut.by</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>Везицкая</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Viaziskaya</surname><given-names>A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><email xlink:type="simple">alexandravez@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>Мистейко</surname><given-names>М. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Misteika</surname><given-names>M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.в.н., доцент, </p><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><email xlink:type="simple">7535562@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>Бирюк</surname><given-names>Е. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Biruk</surname><given-names>A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.с.-х.н.,</p><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><email xlink:type="simple">biohimbel@yandex.by</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт мясо-молочной промышленности</institution></aff><aff xml:lang="en"><institution>Institute for Meat and Dairy Industry</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>26</day><month>02</month><year>2026</year></pub-date><volume>0</volume><issue>19</issue><fpage>118</fpage><lpage>125</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Сидерко И.А., Жабанос Н.К., Везицкая А.В., Мистейко М.М., Бирюк Е.Н., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Сидерко И.А., Жабанос Н.К., Везицкая А.В., Мистейко М.М., Бирюк Е.Н.</copyright-holder><copyright-holder xml:lang="en">Siderko I., Zhabanos N., Viaziskaya A., Misteika M., Biruk A.</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://meatmilk.belal.by/jour/article/view/496">https://meatmilk.belal.by/jour/article/view/496</self-uri><abstract><p>В статье представлены данные о снижении кислотности питательной среды культурами пропионовокислых бактерий, определен интервал максимального кислотообразования относительно прироста оптической плотности среды, определен профиль утилизации источников углерода культурами пропионовокислых бактерий, который представлен широким спектром моно- и дисахаридов, а также трисахаридом раффинозой и многоатомными спиртами. Установлены уровни содержания органических кислот после культивирования в среде на основе фугата гомоферментативных молочнокислых бактерий, содержащих молочную кислоту: муравьиной 1,5-5,9 г/л, молочной 0,2-4,9 г/л, уксусной 0,1-4,0 г/л, янтарной 0,4-2,9 г/л, пропионовой 3,2-10,3 г/л, а также отмечено снижение содержания молочной кислоты на 0,3-28,6 г/л.</p></abstract><trans-abstract xml:lang="en"><p>The article presents data on the reduction of the acidity of the nutrient medium by cultures of propionic acid bacteria. The period of maximum acid production relative to the increase in the optical density of the medium was determined. The profile of carbon source utilization by propionic acid bacteria cultures was also established and was shown to include a broad range of mono- and disaccharides, as well as the trisaccharide raffinose and polyhydric alcohols. The concentrations of organic acids after cultivation in a medium based on the fugate of homofermentative lactic acid bacteria containing lactic acid were determined: formic acid, 1.5–5.9 g/L; lactic acid, 0.2–4.9 g/L; acetic acid, 0.1–4.0 g/L; succinic acid, 0.4–2.9 g/L; propionic acid, 3.2–10.3 g/L. A decrease in lactic acid content by 0.3–28.6 g/L was also observed.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>пропионовокислые бактерии</kwd><kwd>активная кислотность</kwd><kwd>оптическая плотность</kwd><kwd>органические кислоты</kwd><kwd>пропионовая кислота</kwd></kwd-group><kwd-group xml:lang="en"><kwd>propionic acid bacteria</kwd><kwd>active acidity</kwd><kwd>optical density</kwd><kwd>organic acids</kwd><kwd>propionic acid</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">Propionic Acid Fermentation – Study of Substrates, Strains, and Antimicrobial Properties / A. Unigunde, I. Ciprovica, M. Zolovs [et al.] // Fermentation. – 2023. – № 9. – P. 26.</mixed-citation><mixed-citation xml:lang="en">Propionic Acid Fermentation – Study of Substrates, Strains, and Antimicrobial Properties / A. Unigunde, I. Ciprovica, M. 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