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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Applied Biochemistry and Microbiology</journal-id><journal-title-group><journal-title xml:lang="en">Applied Biochemistry and Microbiology</journal-title><trans-title-group xml:lang="ru"><trans-title>Прикладная биохимия и микробиология</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0555-1099</issn><issn publication-format="electronic">3034-574X</issn><publisher><publisher-name xml:lang="en">The Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">689357</article-id><article-id pub-id-type="doi">10.31857/S0555109925030091</article-id><article-id pub-id-type="edn">DRXBNJ</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Effect of fermentation by lactobacilli on the functional — technological properties of pea protein isolates</article-title><trans-title-group xml:lang="ru"><trans-title>Влияние ферментации с различными лактобациллами на функционально-технологические свойства изолятов горохового белка</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kravchenko</surname><given-names>I. V.</given-names></name><name xml:lang="ru"><surname>Кравченко</surname><given-names>И. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ink71@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Furalyov</surname><given-names>V. A.</given-names></name><name xml:lang="ru"><surname>Фуралев</surname><given-names>В. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ink71@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Pshennikova</surname><given-names>E. S.</given-names></name><name xml:lang="ru"><surname>Пшенникова</surname><given-names>Е. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ink71@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Fedorov</surname><given-names>A. N.</given-names></name><name xml:lang="ru"><surname>Федоров</surname><given-names>А. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ink71@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Popov</surname><given-names>V. O.</given-names></name><name xml:lang="ru"><surname>Попов</surname><given-names>В. О.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ink71@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Bach Institute of Biochemistry, Federal Research Centre “Fundamentals of Biotechnology” of the Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Институт биохимии им. А.Н. Баха, Федеральный исследовательский центр “Фундаментальные основы биотехнологии” Российской академии наук</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2025-09-04" publication-format="electronic"><day>04</day><month>09</month><year>2025</year></pub-date><volume>61</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>312</fpage><lpage>322</lpage><history><date date-type="received" iso-8601-date="2025-08-16"><day>16</day><month>08</month><year>2025</year></date><date date-type="accepted" iso-8601-date="2025-08-16"><day>16</day><month>08</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Russian Academy of Sciences</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Российская академия наук</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Russian Academy of Sciences</copyright-holder><copyright-holder xml:lang="ru">Российская академия наук</copyright-holder></permissions><self-uri xlink:href="https://cardiosomatics.ru/0555-1099/article/view/689357">https://cardiosomatics.ru/0555-1099/article/view/689357</self-uri><abstract xml:lang="en"><p>The effect of fermentation with three bacterial preparations: BK-Uglich-K, BK-Uglich-AB and BK-Uglich-P (Russia) on solubility, emulsifying activity, emulsion stability, foaming and foam stability of isolates preparated from two varieties of peas was studied. It has been shown that fermentation with bacterial cultures can increase the solubility of isolates at pH 3 by 4 to 17.5 times, at pH 4 — more than 3 times, at pH 5 — by 23% to 80%, at pH 6 — by 27% to 43%, at pH 7 — by 18% to 27%. Fermentation increased the index of emulsifying activity of isolates at pH 5 by 37% (in one of the varieties), the stability index of the emulsion at pH 3 by 19% to 28%, at pH 4 — by 17%, at pH 5 — by 18% (in one of the varieties), at pH 6 — by 16% to 35%. Fermentation increased the foaming of isolates at pH 3 by 2.2 times, at pH 4 by 1.4 to 2.4 times, at pH 5 and 6 by 1.8 to 4 times, at pH 7 by 2.1 to 2.4 times; at the same time, the stability of the foam of isolates at pH 4 increased by 11% to 22%, at pH 5 — by 11% to 13%, at pH 6 — by 15% (in one of the varieties), at pH 7 — 28% (in one of the varieties). The results obtained made it possible to select bacterial preparations to improve the parameters of pea protein isolates intended for the manufacture of various food products: pea cola (BK-Uglich-P), analogues of fermented milk products and analogues of milk (BK-Uglich-AB).</p></abstract><trans-abstract xml:lang="ru"><p>В работе исследовано влияние ферментации тремя бактериальными препаратами: БК-Углич-К, БК-Углич-АВ и БК-Углич-П (Россия), на растворимость, эмульгирующую активность, стабильность эмульсии, пенообразование и стабильность пены изолятов, выделенных из двух сортов гороха. Показано, что ферментация бактериальными культурами позволяет повысить растворимость изолятов при рН 3.0 и 4.0 — 17.5 раз, при рН 4.0 — более чем в 3 раза, при рН 5.0 — на 23–80%, при рН 6.0 — на 27–43%, при рН 7 — на 18–27%. Ферментация увеличивала индекс эмульгирующей активности изолятов при рН 5.0 на 37% (у сорта Батрак), индекс стабильности эмульсии при рН 3.0 на 19–28%, при рН 4.0 — на 17%, при рН 5.0 — на 18% (у сорта Фокор), при рН 6 — на 16–35%. Ферментация повышала пенообразование изолятов при рН 3.0 в 2.2 раза, при рН 4.0 — в 1.4–2.4 раза, при рН 5.0 и 6.0 — в 1.8–4 раза, при рН 7.0 в 2.1–2.4 раза; при этом стабильность пены изолятов при рН 4.0 увеличивалась на 11–22%, при рН 5.0 — на 11–13%, при рН 6.0 — на 15% (у сорта Фокор), при рН 7.0 — 28% (у сорта Батрак). Полученные результаты позволили подобрать бактериальные препараты для улучшения параметров изолятов горохового белка, предназначенных для изготовления различных пищевых продуктов: гороховой колы (БК-Углич-П), аналогов кисломолочных продуктов и аналогов молока (БК-Углич-АВ).</p></trans-abstract><kwd-group xml:lang="en"><kwd>pea protein isolate</kwd><kwd>lactobacilli</kwd><kwd>functional</kwd><kwd>technological properties</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>изолят белка гороха</kwd><kwd>лактобактерии</kwd><kwd>функционально-технологические свойства</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Министерство науки и высшего образования Российской Федерации</institution></institution-wrap><institution-wrap><institution xml:lang="en">Ministry of Science and Higher Education of the Russian Federation</institution></institution-wrap></funding-source><award-id>075-15-2022-318</award-id></award-group></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Meinlschmidt P., Ueberham E., Lehmann J., Schweiggert-Weisz U., Eisner P. // Food Chem. 2016. 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