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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-205</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>Биохимические подходы при селекции заквасочных культур лактококков и термофильного стрептококка на основе их протелитической активности</article-title><trans-title-group xml:lang="en"><trans-title>Biochemical approaches for selection of starter cultures of lactococci and thermophilic streptococci based on their proteolytic activity</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>Головач</surname><given-names>Т. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Halavach</surname><given-names>T. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск.</p></bio><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. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск.</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Фурик</surname><given-names>Н. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Furik</surname><given-names>N. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск.</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Курченко</surname><given-names>В. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Kurchenko</surname><given-names>V. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск.</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>Институт мясо-молочной промышленности</institution><country>Belarus</country></aff><aff xml:lang="ru" id="aff-2"><institution>Белорусский государственный университет</institution><country>Belarus</country></aff><pub-date pub-type="collection"><year>2012</year></pub-date><pub-date pub-type="epub"><day>07</day><month>05</month><year>2021</year></pub-date><volume>0</volume><issue>7</issue><fpage>103</fpage><lpage>111</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Головач Т.Н., Бирюк Е.Н., Фурик Н.Н., Курченко В.П., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Головач Т.Н., Бирюк Е.Н., Фурик Н.Н., Курченко В.П.</copyright-holder><copyright-holder xml:lang="en">Halavach T.N., Biruk A.N., Furik N.N., Kurchenko V.P.</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/205">https://meatmilk.belal.by/jour/article/view/205</self-uri><abstract><p>К промышленно ценным свойствам молочнокислых бактерий (МКБ) относят способность к кислото-, аромато- и газообразованию, ферментации белкового (протеолиз), углеводного и липидного компонентов молока. Вместе с тем, протеолиз считают наиболее важным биохимическим процессом при изготовлении ферментированных молочных продуктов. Помимо специфических органолептических свойств, протеолитические системы пробиотических МКБ обуславливают образование биологически активных пептидов из казеина, что определяет получение продукта с функциональными свойствами.</p></abstract><trans-abstract xml:lang="en"><p>Substrate properties of casein and whey protein fractions from skim milk during the protein reduction with proteolytic systems of mesophilic lactococci and thermophilic streptococci have been investigated. The level of proteolytic activity of Lactococcus spp. and Streptococcus salivarius subsp. thermophilus (14 strains) has been established on the basis of colorimetric studies and SDS-electrophoretic separation of products obtained by bacterial proteolysis.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>заквасочные культуры</kwd></kwd-group><kwd-group xml:lang="en"><kwd>starter cultures</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">Savijoki, K. Proteolytic systems of lactic acid bacteria / K. Savijoki, H. Ingmer, P. Armament // Appl. Microbiol. Biotechnol. - 2006. - Vol. 71. -P. 394-406.</mixed-citation><mixed-citation xml:lang="en">Savijoki, K. Proteolytic systems of lactic acid bacteria / K. Savijoki, H. Ingmer, P. Armament // Appl. Microbiol. 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