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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">70654</article-id>
   <article-id pub-id-type="doi">10.21603/1019-8946-2023-5-23</article-id>
   <article-categories>
    <subj-group subj-group-type="toc-heading" xml:lang="ru">
     <subject>Статья</subject>
    </subj-group>
    <subj-group subj-group-type="toc-heading" xml:lang="en">
     <subject>ARTICLE</subject>
    </subj-group>
    <subj-group>
     <subject>Статья</subject>
    </subj-group>
   </article-categories>
   <title-group>
    <article-title xml:lang="en">Influence of Lactose Hydrolyzation on Properties of Yogurt and Sour Milk</article-title>
    <trans-title-group xml:lang="ru">
     <trans-title>Влияние гидролиза лактозы на свойства йогурта и простокваши</trans-title>
    </trans-title-group>
   </title-group>
   <contrib-group content-type="authors">
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Крысанова</surname>
       <given-names>Юлия Игоревна</given-names>
      </name>
      <name xml:lang="en">
       <surname>Krysanova</surname>
       <given-names>Ju. I.</given-names>
      </name>
     </name-alternatives>
     <email>yu_krysanova@vnimi.org</email>
     <xref ref-type="aff" rid="aff-1"/>
    </contrib>
    <contrib contrib-type="author">
     <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9300-3267</contrib-id>
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Блиадзе</surname>
       <given-names>Владимир Геннадьевич</given-names>
      </name>
      <name xml:lang="en">
       <surname>Bliadze</surname>
       <given-names>Vladimir G.</given-names>
      </name>
     </name-alternatives>
     <email>v_bliadze@vnimi.org</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 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>
   <aff-alternatives id="aff-2">
    <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="2023-10-10T00:00:00+03:00">
    <day>10</day>
    <month>10</month>
    <year>2023</year>
   </pub-date>
   <pub-date publication-format="electronic" date-type="pub" iso-8601-date="2023-10-10T00:00:00+03:00">
    <day>10</day>
    <month>10</month>
    <year>2023</year>
   </pub-date>
   <issue>5</issue>
   <fpage>42</fpage>
   <lpage>43</lpage>
   <history>
    <date date-type="received" iso-8601-date="2023-09-05T00:00:00+03:00">
     <day>05</day>
     <month>09</month>
     <year>2023</year>
    </date>
   </history>
   <self-uri xlink:href="https://moloprom.kemsu.ru/en/nauka/article/70654/view">https://moloprom.kemsu.ru/en/nauka/article/70654/view</self-uri>
   <abstract xml:lang="ru">
    <p>Изучено влияние гидролиза лактозы на свойства кисломолочных продуктов. Для выработки опытных образцов кисломолочных продуктов использовали: безлактозное молоко, полученное путем ферментативного гидролиза с помощью препарата «Bonlacta™» (15250 SDLU/g, IFF Nutrition &amp; Biosciences Inc., США); закваску, состоящую из Lactobacillus delbrueckii ssp. bulgaricus и Streptococcus salivarius subsp. thermophilus (йогурт) и St. salivarius subsp. thermophilus (простокваша). Контролем служили простокваша и йогурт, выработанные с применением тех же заквасок, но на традиционном молоке. Безлактозный йогурт имел более прочный сгусток, меньшее число жизнеспособных клеток, более длительную продолжительность ферментации и меньшую титруемую кислотность по сравнению с контролем. Вязкость безлактозного продукта слабо отличалась от вязкости контрольного. Безлактозная простокваша также имела более прочный сгусток и меньшую титруемую кислотность. Однако в отличие от йогурта вязкость безлактозной простокваши была выше, чем у контрольной, а продолжительность ферментации, как и количество жизнеспособных клеток, были одинаковыми. Тем не менее оба безлактозных продукта соответствовали требованиям ТР ТС 033/2013.</p>
   </abstract>
   <trans-abstract xml:lang="en">
    <p>The effect of lactose hydrolysis on the properties of fermented milk products has been studied. The following sour-milk products were used to produce experimental samples: lactose-free milk obtained by enzymatic hydrolysis using «Bonlacta™» (15250 SDLU/g, IFF Nutrition &amp; Biosciences Inc., USA); sourdough consisting of Lactobacillus delbrueckii ssp. bulgaricus and Streptococcus salivarius subsp. thermophilus (yogurt) and St. salivarius subsp. thermophilus (sour milk/ prostokvasha). Sour milk and yogurt produced with the same starters but with conventional milk were used as controls. Lactose-free yogurt produced had a stronger clot, fewer viable cells, longer fermentation time and lower titratable acidity compared to the control yogurt. The viscosity of the lactose-free product was slightly different from that of the control. The lactose-free yogurt was also found to have a stronger clot and slightly lower titratable acidity. However, unlike yogurt, the viscosity of the lactose-free sour milk was higher than that of the control, and the duration of fermentation as well as the number of viable cells were the same. Nevertheless, both lactose-free products complied with the Technical Regulation of the Customs Union 033/2013</p>
   </trans-abstract>
   <kwd-group xml:lang="ru">
    <kwd>β-галактозидаза</kwd>
    <kwd>безлактозный йогурт</kwd>
    <kwd>безлактозная простокваша</kwd>
    <kwd>лактазная недостаточность.</kwd>
   </kwd-group>
   <kwd-group xml:lang="en">
    <kwd>β-galactosidase</kwd>
    <kwd>lactose-free yoghurt</kwd>
    <kwd>lactose-free sour milk</kwd>
    <kwd>lactose intolerance.</kwd>
   </kwd-group>
  </article-meta>
 </front>
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