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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="en"><front><journal-meta><journal-id journal-id-type="publisher-id">foodsyst</journal-id><journal-title-group><journal-title xml:lang="en">Food systems</journal-title><trans-title-group xml:lang="ru"><trans-title>Пищевые системы</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2618-9771</issn><issn pub-type="epub">2618-7272</issn><publisher><publisher-name>Федеральный научный центр пищевых систем им. В.М. Горбатова РАН</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21323/2618-9771-2022-5-2-164-171</article-id><article-id custom-type="elpub" pub-id-type="custom">foodsyst-164</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>Статьи</subject></subj-group></article-categories><title-group><article-title>Effect of the recombinant chymosins of different origins on production process of soft cheese</article-title><trans-title-group xml:lang="ru"><trans-title>Влияние рекомбинантных химозинов разного типа на процесс производства мягкого сыра</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4443-7573</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мягконосов</surname><given-names>Д. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Myagkonosov</surname><given-names>D. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мягконосов Дмитрий Сергеевич — кандидат технических наук, старший научный сотрудник, руководитель направления исследований по прикладной биохимии и энзимологии</p><p>152613, Ярославская область, г. Углич, Красноармейский бульвар, 19</p></bio><bio xml:lang="en"><p>Dmitry S.  Myagkonosov, Сandidate of Technical Sciences, Senior Researcher, Head of Research Department in Applied Biochemistry and Enzymology</p><p>19, Krasnoarmeysky Boulevard, Uglich, 152613, Yaroslavl Region</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5663-3662</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Смыков</surname><given-names>И. Т.</given-names></name><name name-style="western" xml:lang="en"><surname>Smykov</surname><given-names>I. T.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Смыков Игорь Тимофеевич — доктор технических наук, главный научный сотрудник, Отдел физической химии</p><p>152613, Ярославская область, г. Углич, Красноармейский бульвар, 19</p></bio><bio xml:lang="en"><p>Igor T. Smykov, Doctor of Technical Sciences, Chief Researcher, Department of Physical Chemisry</p><p>19, Krasnoarmeysky Boulevard, Uglich, 152613, Yaroslavl Region</p></bio><email xlink:type="simple">i_smykov@mail.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/0000-0001-8326-1932</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Абрамов</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Abramov</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Абрамов Дмитрий Васильевич — кандидат биологических наук, старший научный сотрудник, руководитель направления биохимических исследований по сыроделию и  маслоделию</p><p>152613, Ярославская область, г. Углич, Красноармейский бульвар, 19</p></bio><bio xml:lang="en"><p>Dmitry V. Abramov, Candidate of Biological Sciences, Senior Researcher, Head of Biochemical Research in Cheesemaking and Buttermaking</p><p>19, Krasnoarmeysky Boulevard, Uglich, 152613, Yaroslavl Region</p></bio><email xlink:type="simple">d.abramov@fncps.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/0000-0003-3587-4050</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Делицкая</surname><given-names>И. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Delitskaya</surname><given-names>I. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Делицкая Ирина Николаевна — кандидат технических наук, старший научный сотрудник, отдел сыроделия</p><p>152613, Ярославская область, г. Углич, Красноармейский бульвар, 19</p></bio><bio xml:lang="en"><p>Irina N.  Delitskaya, Candidate of Technical Sciences, Senior Researcher, Department of Cheesemaking</p><p>19, Krasnoarmeysky Boulevard, Uglich, 152613, Yaroslavl Region</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4904-6152</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Краюшкина</surname><given-names>В. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Krayushkina</surname><given-names>V. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Краюшкина Валентина Николаевна — младший научный сотрудник, отдел биохимии</p><p>152613, Ярославская область, г. Углич, Красноармейский бульвар, 19</p></bio><bio xml:lang="en"><p>Valentina N.  Krayushkina, Junior Researcher, Department of Biochemistry</p><p>19, Krasnoarmeysky Boulevard, Uglich, 152613, Yaroslavl Region</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Всероссийский научно-исследовательский институт маслоделия и сыроделия</institution><country>Россия</country></aff><aff xml:lang="en"><institution>All-Russian Scientific Research Institute of Butter- and Cheesemaking</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>11</day><month>07</month><year>2022</year></pub-date><volume>5</volume><issue>2</issue><fpage>164</fpage><lpage>171</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Myagkonosov D.S., Smykov I.T., Abramov D.V., Delitskaya I.N., Krayushkina V.N., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Мягконосов Д.С., Смыков И.Т., Абрамов Д.В., Делицкая И.Н., Краюшкина В.Н.</copyright-holder><copyright-holder xml:lang="en">Myagkonosov D.S., Smykov I.T., Abramov D.V., Delitskaya I.N., Krayushkina V.N.</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.fsjour.com/jour/article/view/164">https://www.fsjour.com/jour/article/view/164</self-uri><abstract><p>The effect of milk-clotting enzymes (MCE) with different milk-clotting activity (MCA) and proteolytic activity (PA) based on recombinant calf chymosins (Chy-max® Extra: MCA=554 IMCU/g; PA=0.71 UA/g), camel (Chymax® M: MCA=904 IMCU/g; PA=0.68 PA units/g) and “modified” chymosin (Chy-max® Supreme: MCA=912 IMCU/g; PA=0.26 PA units/g) on the duration of milk coagulation, the composition of whey and fresh cheeses in the production of soft cheese of the Italian type Crescenza at a dose of MCE equal to 1500, 2500 and 3500 IMCU per 100 kg of milk was studied. With an equal introduction dose, the shortest average duration of curd formation is noted for Chy-max Supreme MCE (15.0–27.5 min), long one — for Chy-max M MCE (17.0–31.0 min), and the longest one — for MCE Chy-max Extra (18.0–35.5 min). There was no statistically significant effect (p&lt;0.05) of the type and dose of MCE on the total duration of cheese processing, as well as on the content of fat, protein and dry matter of whey. The type and dose of MCE had an impact on the properties of fresh cheeses: cheese options produced with the maximum dose of Chy-max Supreme had a statistically significant (p&gt;&lt;0.05) higher average dry matter content (49.61%) than cheese options made with minimal doses of MCE (47.64–47.91%).&gt;&lt; 0.05) of the type and dose of MCE on the total duration of cheese processing, as well as on the content of fat, protein and dry matter of whey. The type and dose of MCE had an impact on the properties of fresh cheeses: cheese options produced with the maximum dose of Chy-max Supreme had a statistically significant (p&lt;0.05) higher average dry matter content (49.61%) than cheese options made with minimal doses of MCE (47.64–47.91%).&gt; &lt;0.05) of the type and dose of MCE on the total duration of cheese processing, as well as on the content of fat, protein and dry matter of whey. The type and dose of MCE had an impact on the properties of fresh cheeses: cheese options produced with the maximum dose of Chy-max Supreme had a statistically significant (p&lt;0.05) higher average dry matter content (49.61%) than cheese options made with minimal doses of MCE (47.64–47.91%).&gt;&lt;0.05) higher average dry matter content (49.61%) than cheese options made with minimal doses of MCE (47.64–47.91%).</p></abstract><trans-abstract xml:lang="ru"><p>Исследовано влияние молокосвертывающих ферментов (МФ), обладающих разной молокосвертывающей активностью (МСА) и протеолитической активностью (ПА), на основе рекомбинантных химозинов теленка (Chy-max® Extra: МСА= 554 IMCU/г; ПА= 0,71 ед. ПА/г), верблюда (Chy-max® M: МСА= 904 IMCU/г; ПА= 0,68 ед. ПА/г) и модифицированного химозина (Chy-max® Supreme: МСА= 912 IMCU/г; ПА= 0,26 ед. ПА/г) на продолжительность свертывания молока, а  также на состав сыворотки и  свежих сыров при производстве мягкого сыра итальянского типа Кресченца при дозе внесения МФ, равной 1 500, 2 500 и 3 500 IMCU на 100 кг молока. При равной дозе внесения наименьшая средняя продолжительность образования сгустка отмечается у МФ Chy-max Supreme (15,0–27,5 мин), большая — у МФ Chy-max M (17,0– 31,0 мин) и наибольшая — у МФ Chy-max Extra (18,0–35,5 мин). Отсутствовало статистически значимое влияние (p &lt; 0,05) типа и дозы МФ на общую продолжительность изготовления сыров, а также на содержание жира, белка и сухого вещества сыворотки. Тип и доза МФ оказали влияние на свойства свежих сыров: варианты сыров, произведенные с максимальной дозой Chy-max® Supreme, имели статистически достоверно (p &lt; 0,05) большее среднее содержание сухого вещества (49,61%), чем варианты сыров, произведенные с минимальными дозами исследованных МФ (47,64–47,91%).</p></trans-abstract><kwd-group xml:lang="ru"><kwd>молокосвертывающие ферменты</kwd><kwd>рекомбинантный химозин</kwd><kwd>ферментативное свертывание</kwd><kwd>Streptococcus thermophilus</kwd><kwd>мягкие сыры</kwd><kwd>подсырная сыворотка</kwd></kwd-group><kwd-group xml:lang="en"><kwd>milk-clotting enzymes</kwd><kwd>recombinant chymosin</kwd><kwd>enzymatic coagulation</kwd><kwd>Streptococcus thermophilus</kwd><kwd>soft cheeses</kwd><kwd>cheese whey</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">Soodam, K., Ong, L., Powell, I. B., Kentish, S. E., Gras, S. L. (2015). 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