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 <front>
  <journal-meta>
   <journal-id journal-id-type="publisher-id">Dairy industry</journal-id>
   <journal-title-group>
    <journal-title xml:lang="en">Dairy industry</journal-title>
    <trans-title-group xml:lang="ru">
     <trans-title>Молочная промышленность</trans-title>
    </trans-title-group>
   </journal-title-group>
   <issn publication-format="print">1019-8946</issn>
  </journal-meta>
  <article-meta>
   <article-id pub-id-type="publisher-id">97275</article-id>
   <article-id pub-id-type="doi">10.21603/1019-8946-2025-2-35</article-id>
   <article-categories>
    <subj-group subj-group-type="toc-heading" xml:lang="ru">
     <subject>Научная статья</subject>
    </subj-group>
    <subj-group subj-group-type="toc-heading" xml:lang="en">
     <subject>Research Article</subject>
    </subj-group>
    <subj-group>
     <subject>Научная статья</subject>
    </subj-group>
   </article-categories>
   <title-group>
    <article-title xml:lang="en">Disinfecting Effect of Chlorine Dioxide with Different pH on Staphylococcus Aureus and Bacillus Subtilis</article-title>
    <trans-title-group xml:lang="ru">
     <trans-title>Влияние рН на бактерицидную эффективность диоксида хлора относительно тест-культур Staphylococcus aureus и Bacillus subtilis</trans-title>
    </trans-title-group>
   </title-group>
   <contrib-group content-type="authors">
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Свириденко</surname>
       <given-names>Галина Михайловна</given-names>
      </name>
      <name xml:lang="en">
       <surname>Sviridenko</surname>
       <given-names>Galina M.</given-names>
      </name>
     </name-alternatives>
     <email>vniims@fncps.ru</email>
     <bio xml:lang="ru">
      <p>доктор технических наук;</p>
     </bio>
     <bio xml:lang="en">
      <p>doctor of technical sciences;</p>
     </bio>
     <xref ref-type="aff" rid="aff-1"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Комарова</surname>
       <given-names>Татьяна Валентиновна</given-names>
      </name>
      <name xml:lang="en">
       <surname>Komarova</surname>
       <given-names>Tatyana V.</given-names>
      </name>
     </name-alternatives>
     <email>t.komarova@fncps.ru</email>
     <xref ref-type="aff" rid="aff-2"/>
    </contrib>
   </contrib-group>
   <aff-alternatives id="aff-1">
    <aff>
     <institution xml:lang="ru">Всероссийский научно-исследовательский институт маслоделия и сыроделия – филиал Федерального научного центра пищевых систем им. В. М. Горбатова РАН</institution>
     <city>Углич</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">All-Russian Scientific Research Institute of Butter- and Cheesemaking – Branch of V. M. Gorbatov Federal Research Center for Food Systems of RAS</institution>
     <city>Uglich</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-2">
    <aff>
     <institution xml:lang="ru">Всероссийский научно-исследовательский институт маслоделия и сыроделия – филиал Федерального научного центра пищевых систем им. В. М. Горбатова</institution>
     <city>Углич</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">All-Russian Scientific Research Institute of Butter- and Cheesemaking – Branch of V. M. Gorbatov Federal Research Center for Food Systems</institution>
     <city>Uglich</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <pub-date publication-format="print" date-type="pub" iso-8601-date="2025-04-10T05:40:00+03:00">
    <day>10</day>
    <month>04</month>
    <year>2025</year>
   </pub-date>
   <pub-date publication-format="electronic" date-type="pub" iso-8601-date="2025-04-10T05:40:00+03:00">
    <day>10</day>
    <month>04</month>
    <year>2025</year>
   </pub-date>
   <issue>2</issue>
   <fpage>57</fpage>
   <lpage>63</lpage>
   <history>
    <date date-type="received" iso-8601-date="2024-11-08T00:00:00+03:00">
     <day>08</day>
     <month>11</month>
     <year>2024</year>
    </date>
    <date date-type="accepted" iso-8601-date="2024-12-10T00:00:00+03:00">
     <day>10</day>
     <month>12</month>
     <year>2024</year>
    </date>
   </history>
   <self-uri xlink:href="https://moloprom.kemsu.ru/en/nauka/article/97275/view">https://moloprom.kemsu.ru/en/nauka/article/97275/view</self-uri>
   <abstract xml:lang="ru">
    <p>Диоксид хлора применяется в промышленности в качестве дезинфицирующего средства, поскольку обладает антимикробными свойствами в отношении различных видов микроорганизмов, включая грамположительные, грамотрицательные и споровые бактерии, а также вирусы. Данные по влиянию рН на бактерицидную эффективность диоксида хлора относительно стафилококков и споровых микроорганизмов противоречивы. В статье представлены результаты исследований по влиянию рН в диапазоне активной кислотности от 3 до 11 на бактерицидную эффективность диоксида хлора относительно грамположительных микроорганизмов Staphylococcus aureus и спорообразующих бактерий Bacillus subtilis. Эксперименты проводились при исходной обсемененности тест-культур 105 КОЕ/см3. В результате проведенных исследований выявлены различия влияния рН среды на бактерицидные свойства диоксида хлора в зависимости от групповой принадлежности микроорганизмов. Установлено комплексное влияние активной кислотности среды и концентрации ClO2 на бактерицидную эффективность, как относительно стафилококков, так и спорообразующих бактерий. Для Staphilococcus aureus показано, что снижение концентрации ClO2 сужает эффективный диапазон активной кислотности со смещением в кислую зону рН. Установлено, что минимальная концентрация диоксида хлора, оказывающая бактерицидное действие на стафилококк составляет 0,1 % по препарату при рН раствора от 3 до 5, а концентрация 0,5 % по препарату эффективна во всем исследованном диапазоне рН. Дезинфицирующе действие диоксида хлора в отношении споровых бактерий Bacillus subtilis не зависит от рН среды в диапазоне от 3 до 9. В сильнощелочной зоне рН 10 и 11 дезинфектант частично теряет свою активность. В диапазоне рН от 3 до 9 эффективная доза диоксида хлора для Staphilococcus aureus должна быть не менее 0,2 % по препарату, а для Bacillus subtilis – не менее 0,5 % по препарату.</p>
   </abstract>
   <trans-abstract xml:lang="en">
    <p>Chlorine dioxide is a popular industrial disinfectant that possesses antimicrobial properties against various viruses and microorganisms, including gram-positive, gram-negative, and spore-forming bacteria. However, the available data become contradictory when it comes to the effect of pH on the bactericidal efficiency of chlorine dioxide against staphylococci and spore-forming microorganisms. The article describes the effect of pH 3–11 on the bactericidal efficiency of chlorine dioxide against gram-positive Staphylococcus aureus and spore-forming Bacillus subtilis. The initial contamination was 105 CFU/cm3. The effect of pH on the bactericidal properties of chlorine dioxide depended on the microorganism. The research revealed the complex effect of pH of the medium and the concentration of chlorine dioxide on the bactericidal efficiency against the gram-positive staphylococci and the sporeforming bacteria. For Staphylococcus aureus, a lower concentration of chlorine dioxide limited the effective range of active acidity with a shift to the acidic pH zone. The lowest concentration of chlorine dioxide enough to inhibit the growth of staphylococcus cells was 0.1 % at pH 3–5 while 0.5% proved effective throughout the entire pH range of 3–11. For Bacillus subtilis, the disinfecting effect did not depend on the pH of the medium when it remained within pH 3–9 and partially lost its efficiency at pH 10–11. At pH 3–9, the effective dosage of chlorine dioxide was ≥0.2% for Staphylococcus aureus and ≥0.5% for Bacillus subtilis.</p>
   </trans-abstract>
   <kwd-group xml:lang="ru">
    <kwd>диоксид хлора</kwd>
    <kwd>бактерицидная эффективность</kwd>
    <kwd>эффективность обеззараживания</kwd>
    <kwd>тест-культура</kwd>
    <kwd>Staphylococcus aureus</kwd>
    <kwd>Bacillus subtilis</kwd>
    <kwd>активная кислотность</kwd>
    <kwd>концентрация дезинфектанта</kwd>
   </kwd-group>
   <kwd-group xml:lang="en">
    <kwd>chlorine dioxide</kwd>
    <kwd>bactericidal efficiency</kwd>
    <kwd>disinfection efficiency</kwd>
    <kwd>test culture</kwd>
    <kwd>Staphylococcus aureus</kwd>
    <kwd>Bacillus subtilis</kwd>
    <kwd>active acidity</kwd>
    <kwd>disinfectant concentration</kwd>
   </kwd-group>
   <funding-group>
    <funding-statement xml:lang="ru">Работа сделана в рамках госзадания по теме FGUS – 2024-0007.</funding-statement>
   </funding-group>
  </article-meta>
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