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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">73485</article-id>
   <article-id pub-id-type="doi">10.31515/1019-8946-2023-04-64-66</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">Study of the dependencies of foaming in whey proteins-based systems on the modes of proteolysis</article-title>
    <trans-title-group xml:lang="ru">
     <trans-title>Зависимость пенообразования в системах на основе сывороточных белков от режима протеолиза</trans-title>
    </trans-title-group>
   </title-group>
   <contrib-group content-type="authors">
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Агаркова</surname>
       <given-names>Евгения Юрьевна</given-names>
      </name>
      <name xml:lang="en">
       <surname>Agarkova</surname>
       <given-names>Evgeniya Yu.</given-names>
      </name>
     </name-alternatives>
     <email>e_agarkova@vnimi.org</email>
     <bio xml:lang="ru">
      <p>кандидат технических наук;</p>
     </bio>
     <bio xml:lang="en">
      <p>candidate of technical sciences;</p>
     </bio>
     <xref ref-type="aff" rid="aff-1"/>
    </contrib>
   </contrib-group>
   <aff-alternatives id="aff-1">
    <aff>
     <institution xml:lang="ru">Всероссийский научно-исследовательский институт молочной промышленности</institution>
     <city>Москва</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">All-Russian Dairy Research Institute</institution>
     <city>Moscow</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <pub-date publication-format="print" date-type="pub" iso-8601-date="2024-01-17T05:15:50+03:00">
    <day>17</day>
    <month>01</month>
    <year>2024</year>
   </pub-date>
   <pub-date publication-format="electronic" date-type="pub" iso-8601-date="2024-01-17T05:15:50+03:00">
    <day>17</day>
    <month>01</month>
    <year>2024</year>
   </pub-date>
   <issue>4</issue>
   <fpage>64</fpage>
   <lpage>66</lpage>
   <history>
    <date date-type="received" iso-8601-date="2023-05-26T00:00:00+03:00">
     <day>26</day>
     <month>05</month>
     <year>2023</year>
    </date>
    <date date-type="accepted" iso-8601-date="2023-05-26T00:00:00+03:00">
     <day>26</day>
     <month>05</month>
     <year>2023</year>
    </date>
   </history>
   <self-uri xlink:href="https://jcenter.kemsu.ru/en/nauka/article/73485/view">https://jcenter.kemsu.ru/en/nauka/article/73485/view</self-uri>
   <abstract xml:lang="ru">
    <p>Регулировать пенообразующие свойства сывороточных белков возможно при помощи их ферментативной обработки. В литературных источниках есть данные о тенденции повышения плотности пены растворов β-лактоглобулина, гидролизованных трипсином или субтилизином при увеличении продолжительности протеолиза, в отличие от пены пепсиновых гидролизатов. Наиболее стабильные пены на основе 3,4 %-ного раствора β-лактоглобулина получены при протеолизе пепсином в условиях рН-статирования при 7,5 ед. и 60 °С в течение 5 мин. В другом исследовании для гидролиза 10 %-ных растворов концентратов сывороточных белков использовались грибковая протеаза при 45 °C (рН 7,6) и папаин при 45 °C (рН 6,2). Ферментативная обработка грибной протеазой привела к увеличению пенообразующей способности при продолжительности гидролиза до 40 мин и 20 мин при использовании папаина, но стабильность пены снизилась во всех образцах. Описан протеолиз 4 %-ного раствора сывороточного изолята с последующим формированием белковых волокон при 55 °С и рН 7,7 ед. в течение 5 ч с использованием ферментного препарата «Corolase N». Фибриллированные белки на основе негидролизованного белка отличались наилучшей стабильностью пены, а гидролизованные имели самые высокие значения пенообразующей способности. Сделан вывод о том, что с точки зрения получения стойкой пены представляет интерес использование композиций белков нативных и подвергнутых гидролизу.</p>
   </abstract>
   <trans-abstract xml:lang="en">
    <p>It is possible to regulate the foaming properties of whey proteins with the help of their enzymatic processing. In the literature there is evidence of a tendency to increase the density of β-lactoglobulin solutions hydrolyzed with trypsin or subtilisin with an increase in the duration of proteolysis, unlike pepsin hydrolysates. The most stable foams based on a 3,4 % solution of β-lactoglobulin were obtained by proteolysis with pepsin under pH-stating conditions at 7,5 units. and 60 °C for 5 minutes. In another study, fungal protease at 45 °C (pH 7,6) and papain at 45 °C (pH 6,2) were used for hydrolysis of 10 % solutions of whey protein concentrates. Enzymatic treatment with fungal protease resulted an increase in foaming capacity during hydrolysis up to 40 min and 20 min when using papain, but foam stability decreased in all samples. Proteolysis of a 4 % solution of whey isolate with subsequent formation of protein fibers at 55 °C and pH 7,7 is described. for 5 hours using the enzyme preparation «Corolase N». Fibrillated proteins based on non-hydrolyzed protein had the best foam stability, and hydrolyzed proteins had the highest values of foaming ability. From the point of view of obtaining resistant foams, it is of interest to use compositions of native and hydrolyzed proteins.</p>
   </trans-abstract>
   <kwd-group xml:lang="ru">
    <kwd>белки молочной сыворотки</kwd>
    <kwd>гидролиз</kwd>
    <kwd>ферменты</kwd>
    <kwd>пены</kwd>
    <kwd>пенообразующие свойства</kwd>
   </kwd-group>
   <kwd-group xml:lang="en">
    <kwd>whey proteins</kwd>
    <kwd>hydrolysis</kwd>
    <kwd>enzymes</kwd>
    <kwd>foams</kwd>
    <kwd>foaming properties</kwd>
   </kwd-group>
  </article-meta>
 </front>
 <body>
  <p></p>
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