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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">vguit</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Воронежского государственного университета инженерных технологий</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the Voronezh State University of Engineering Technologies</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2226-910X</issn><issn pub-type="epub">2310-1202</issn><publisher><publisher-name>VSUET</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.20914/2310-1202-2020-3-78-84</article-id><article-id custom-type="elpub" pub-id-type="custom">vguit-2543</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>Пищевая  биотехнология</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Food biotechnology</subject></subj-group></article-categories><title-group><article-title>Исследование состава основных примесей зрелой бражки в зависимости от продолжительности сбраживания, расы спиртовых дрожжей и применяемых ферментных препаратов</article-title><trans-title-group xml:lang="en"><trans-title>The study of the main impurities mature mash depending on the duration of fermentation, yeast alcohol race and used enzyme preparations</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>Зуева</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Zueva</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.т.н., доцент, кафедра технологии бродильных и сахаристых производств, пр-т Революции, 19, г. Воронеж, 394036, Россия</p></bio><bio xml:lang="en"><p>Cand. Sci. (Engin.), associate professor, technologies of fermentation and sugar production department, Revolution Av., 19 Voronezh, 394036, Russia</p></bio><email xlink:type="simple">noreplay@elpub.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/0000-0003-0346-9245</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Агафонов</surname><given-names>Г. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Agafonov</surname><given-names>G. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.т.н., профессор, кафедра технологии бродильных и сахаристых производств, пр-т Революции, 19, г. Воронеж, 394036, Россия</p></bio><bio xml:lang="en"><p>Dr. Sci. (Engin.), professor, technologies of fermentation and sugar production department, Revolution Av., 19 Voronezh, 394036, Russia</p></bio><email xlink:type="simple">gvagafonov@mail.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>Новокщенова</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Novokshenova</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>студент, кафедра технологии бродильных и сахаристых производств, пр-т Революции, 19, г. Воронеж, 394036, Россия</p></bio><bio xml:lang="en"><p>student, technologies of fermentation and sugar production department, Revolution Av., 19 Voronezh, 394036, Russia</p></bio><email xlink:type="simple">liza.simona2000@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/0000-0003-4572-7417</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Долгов</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Dolgov</surname><given-names>A. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>внешний совместитель, кафедра технологии бродильных и сахаристых производств, пр-т Революции, 19, г. Воронеж, 394036, Россия</p></bio><bio xml:lang="en"><p>external part-time worker, technologies of fermentation and sugar production department, Revolution Av., 19 Voronezh, 394036, Russia</p></bio><email xlink:type="simple">adolgov977@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1237-4870</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чусова</surname><given-names>А. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Chusova</surname><given-names>A. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.т.н., доцент, кафедра технологии бродильных и сахаристых производств, пр-т Революции, 19, г. Воронеж, 394036, Россия</p></bio><bio xml:lang="en"><p>Cand. Sci. (Engin.), associate professor, technologies of fermentation and sugar production department, Revolution Av., 19 Voronezh, 394036, Russia</p></bio><email xlink:type="simple">hycovai@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Воронежский государственный университет инженерных технологий</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Voronezh State University of Engineering Technologies</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>06</day><month>09</month><year>2020</year></pub-date><volume>82</volume><issue>3</issue><fpage>78</fpage><lpage>84</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Зуева Н.В., Агафонов Г.В., Новокщенова Е.А., Долгов А.Н., Чусова А.Е., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Зуева Н.В., Агафонов Г.В., Новокщенова Е.А., Долгов А.Н., Чусова А.Е.</copyright-holder><copyright-holder xml:lang="en">Zueva N.V., Agafonov G.V., Novokshenova E.A., Dolgov A.N., Chusova A.E.</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.vestnik-vsuet.ru/vguit/article/view/2543">https://www.vestnik-vsuet.ru/vguit/article/view/2543</self-uri><abstract><p>В статье проведены исследования процесса интенсификации сбраживания концентрированного сусла с учетом внесения комплекса ферментов амилолитического, гемицеллюлазного и протеолитического действия. Определили зависимость выхода этанола, содержания летучих примесей, содержания редуцирующих веществ в зависимости от различных рас дрожжей при норме засева 15 млн клеток на 1 см3 сусла. Для выявления параметров процесса брожения сусла с повышенным содержанием сухих веществ, исследовали динамику накопления летучих примесей, варьируя норму засева дрожжей и продолжительность сбраживания при использовании дрожжей расы 987-О5. Выявили, что качественный состав примесей в бражке, полученной из высококонцентрированного сусла, зависит как от продолжительности сбраживания, так и от нормы засева дрожжей. Так, в зависимости от продолжительности процесса сбраживания, содержание ацетальдегида увеличивается (с 613,17 мг/дм3 к 54 ч до 1724,6 мг/дм3 к 72 ч),количество этилацетета снижается (с 409,2 мг/дм3 к 54 ч до 207 мг/дм3 к 72 ч), содержание метанола к 54 ч при норме засева дрожжей 15 млн клеток на 1 см3 сусла составило 0,0043 мг/см3, тогда как к 72 ч сбраживания при той же норме засева дрожжей – 0,0070 мг/дм3, количество 1-пропанол и 1-бутанол снижается с 903,14 мг/см3 и 6,38 мг/см3 –54 час до 880 мг/см3 и 5,57 мг/см3 – к 72 ч соответственно. Минимальное содержание изобутанола вне зависимости от продолжительности сбраживания составил 900-1100 мг/см3 при норме засева дрожжей 15 млн клеток на 1 см3 сусла, количество изоамилола возрастает с 1219,08 мг/дм3 (54 ч) до 2673,84 мг/дм3 (72 ч). Выявили, что наименьшее суммарное количество примесей получено при норме засева дрожжей 15 млн клеток на 1 см3 сусла при продолжительности сбраживания 54 ч. Установили, что максимальное содержание этилового спирта в бражке при минимальном накоплении в ней летучих примесей соответствует варианту: продолжительность сбраживания - 54 ч при норме задачи дрожжевых клеток – 15,0 млн/см3 сусла.</p></abstract><trans-abstract xml:lang="en"><p>The paper studied the process of intensification of concentrated fermentation mash with account of the complex amylolytic enzymes, hemicellulase and proteolytic activities. We determined the dependence of ethanol yield, the content of volatile impurities, the content of reducing substances, depending on the different strains of yeast at a seed rate 15 million cells per 1 cm3 wort. To identify the parameters of the fermentation process the wort with an increased solids content, investigated the dynamics of accumulation of volatile impurities by varying the rate and duration of seeding yeast fermentation using 987-O5 race yeast. It revealed that the qualitative composition of impurities in the mash, the resulting wort of high-concentration depends both on the duration of fermentation, and from normal seeding yeast. Thus, depending on the duration of the fermentation process, the acetaldehyde content increases (from 613,17 mg/dm? to 54 h to 1724,6 mg/dm? to 72 hours), the amount of ethyl acetate is reduced (from 409,2 mg/dm? to 54 hours prior to 207 mg/dm? to 72 hours), the methanol content to 54 h at a rate of 15 million yeast seeding cells per 1 cm? of the wort amounted to 0,0043 mg/cm?, whereas by 72 h of fermentation at the same seed rate yeast – 0,0070 mg/dm?, the amount of 1-propanol and 1-butanol was reduced from 903,14 mg/cm? and 6,38 mg/cm? -54 h to 880 mg/cm? and 5,57 mg/cm? - to 72 hours, respectively. The minimum content of isobutanol independent of the duration of fermentation was 900-1100 mg/cm? at a seed rate 15 million yeast cells per 1 cm? wort izoamilola number increases from 1219,08 mg/dm? (54 hr) to 2673,84 mg/dm? (72 h). It revealed that the smallest total amount of impurities obtained by seed rate yeast 15 million cells per 1 cm? wort at the duration of fermentation 54 hours was found that maximum ethanol content in the mash with minimal accumulation therein volatiles corresponds embodiment:. Duration of fermentation - 54 hours at normally the problem of yeast cells – 15,0 million / cm? wort.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>ферментные препараты</kwd><kwd>сусло</kwd><kwd>комплексная технология</kwd><kwd>бражка</kwd><kwd>дрожжи</kwd><kwd>летучие примеси</kwd></kwd-group><kwd-group xml:lang="en"><kwd>enzyme preparations</kwd><kwd>wort</kwd><kwd>complex technology</kwd><kwd>brew</kwd><kwd>yeast</kwd><kwd>volatiles</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">Зуева Н.В., Агафонов Г.В., Корчагина М.В., Долгов А.Н. 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