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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">geomgou</journal-id><journal-title-group><journal-title xml:lang="ru">Географическая среда и живые системы</journal-title><trans-title-group xml:lang="en"><trans-title>Geographical Environment and Living Systems</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2712-7613</issn><issn pub-type="epub">2712-7621</issn><publisher><publisher-name>Московский государственный областной университет</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">geomgou-614</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>ИЗУЧЕНИЕ ВЛИЯНИЯ pH-СРЕДЫ НА СИНТЕЗ БАКТЕРИОЦИНО-
ПОДОБНОГО ИНГИБИРУЮЩЕГО ВЕЩЕСТВА И ДИНАМИКУ
РОСТА ШТАММА LB.PARACASEI SPP. PARACASEI BN ATS 5W</article-title><trans-title-group xml:lang="en"><trans-title>STUDY OF INFLUENCE OF THE pH MEDIUM ON SYNTHESIS
OF BACTERIOCIN-LIKE INHIBITORY SUBSTANCES AND GROWTH
DYNAMICS OF STRAIN LB. PARACASEI SPP. PARACASEI BN ATS 5W</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>Абдуллаева</surname><given-names>Н. Ф.</given-names></name></name-alternatives><email xlink:type="simple">abdullaevanarmina@
rambler.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гюльахмедов</surname><given-names>С. Г.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кулиев</surname><given-names>А. А.</given-names></name></name-alternatives><email xlink:type="simple">sahib66@rambler.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>Бакинский государственный университет (Азербайджан)</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2012</year></pub-date><pub-date pub-type="epub"><day>27</day><month>05</month><year>2022</year></pub-date><volume>0</volume><issue>1</issue><fpage>10</fpage><lpage>13</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Абдуллаева Н.Ф., Гюльахмедов С.Г., Кулиев А.А., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Абдуллаева Н.Ф., Гюльахмедов С.Г., Кулиев А.А.</copyright-holder><copyright-holder xml:lang="en">Абдуллаева Н.Ф., Гюльахмедов С.Г., Кулиев А.А.</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.geoecosreda.ru/jour/article/view/614">https://www.geoecosreda.ru/jour/article/view/614</self-uri><abstract><p>Цель данной работы состояла в изучении
влияния различных значений рН-среды (рН 4,5; 5,5; 6,5)
на синтез бактериоциноподобного ингибирующего ве-
щества (БПИВ) и динамику роста штамма-продуцента Lb.
paracasei spp. Paracasei BN ATS 5w. Исследуемый штамм
был изолирован из традиционного сыра «Апшерон», про-
изведённого в Азербайджане. Наиболее оптимальным
значением рН для роста и накопления антибактериаль-
ного агента в культуральной жидкости явилось значение
рН 5.5. При рН 4.5 обнаружена задержка роста клеток
изученного штамма. Слабокислое значение рН (рН 6.5)
приводило к снижению антимикробной активности.</p></abstract><trans-abstract xml:lang="en"><p>The aim of this work was to study the effect
of different pH values (pH 4.5, 5.5, 6.5) on the synthesis of
bacteriocin-like inhibitory substances (BLISs) and growth dynamics
of the producer strain Lb. paracasei spp. Paracasei
BN ATS 5W. The test strain was isolated from the traditional
cheese Absheron, produced in Azerbaijan. As a result, it
was found that the optimal pH for the growth and accumulation
of an antimicrobial agent in the culture medium is pH 5.5.
Under low pH values (pH 4.5) the growth of studied strain
cells became slow. Weakly acidic pH values (pH 6.5) led to a
decrease in the antimicrobial activity.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>бактериоцины</kwd><kwd>лактобациллы</kwd><kwd>молочнокислые бактерии</kwd><kwd>бактериальные пептиды</kwd><kwd>ферментированные продукты</kwd></kwd-group><kwd-group xml:lang="en"><kwd>bacteriocins</kwd><kwd>lactobacillus</kwd><kwd>lactic acid bacteria</kwd><kwd>bacterial peptide</kwd><kwd>fermented food</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">Гюльахмедов С.Г. Антибактериальная актив- ность молочнокислых бактерий, выделенных их традиционных молочных продуктов Апше- ронского полуострова Азербайджана // Вестник Бакинского университета. Серия естественных наук. 2005. № 1. С. 59-65.</mixed-citation><mixed-citation xml:lang="en">Гюльахмедов С.Г. 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