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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">catal</journal-id><journal-title-group><journal-title xml:lang="ru">Катализ в промышленности</journal-title><trans-title-group xml:lang="en"><trans-title>Kataliz v promyshlennosti</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1816-0387</issn><issn pub-type="epub">2413-6476</issn><publisher><publisher-name>LLC "KALVIS"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18412/1816-0387-2019-6-482-489</article-id><article-id custom-type="elpub" pub-id-type="custom">catal-664</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>БИОКАТАЛИЗ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BIOCATALYSIS</subject></subj-group></article-categories><title-group><article-title>Получение питательных сред из лигноцеллюлозы: оптимизация состава мультиэнзимной композиции</article-title><trans-title-group xml:lang="en"><trans-title>Preparation of Nutrient Media from Lignocellulose: Compositional Optimization of Multienxyme Cocktail</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>Миронова</surname><given-names>Г. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Mironova</surname><given-names>G. F.</given-names></name></name-alternatives><email xlink:type="simple">ctls@kalvis.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>Скиба</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Skiba</surname><given-names>E. A.</given-names></name></name-alternatives><email xlink:type="simple">ctls@kalvis.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>Кухленко</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kukhlenko</surname><given-names>A. A.</given-names></name></name-alternatives><email xlink:type="simple">ctls@kalvis.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Институт проблем химико-энергетических технологий СО РАН, Бийск<country>Россия</country></aff><aff xml:lang="en">Institute for Problems of Chemical and Energetic Technologies SB RAS, Biysk<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>14</day><month>11</month><year>2019</year></pub-date><volume>19</volume><issue>6</issue><fpage>482</fpage><lpage>489</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; LLC "KALVIS", 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">LLC "KALVIS"</copyright-holder><copyright-holder xml:lang="en">LLC "KALVIS"</copyright-holder><license xlink:href="https://www.catalysis-kalvis.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://www.catalysis-kalvis.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://www.catalysis-kalvis.ru/jour/article/view/664">https://www.catalysis-kalvis.ru/jour/article/view/664</self-uri><abstract><p>Лигноцеллюлоза является глобальным неисчерпаемым ресурсом для получения широкого спектра продуктов биотехнологического синтеза. Повышение эффективности извлечения глюкозы из лигноцеллюлозы позволит повысить выход этих продуктов, а значит, и снизить их себестоимость. Целью работы являлась оптимизация состава мультиэнзимной композиции (МЭК) коммерческих ферментных препаратов (ФП) «Целлолюкс-А», «Ультрафло Коре» и «Брюзайм BGX» для эффективного осуществления ферментативного гидролиза субстрата – шелухи овса, обработанной 4 мас.% азотной кислоты в условиях опытно-промышленного производства. Путем математической обработки экспериментальных данных, полученных в результате реализации симплекс-центроидного плана опытов, выявлено оптимальное соотношение ФП, равное 1/4 : 3/4 : 0 («Целлолюкс-А» – 18 мг/г субстрата, «Ультрафло Коре» – 55 мг/г субстрата). Оптимизированный состав МЭК позволяет повысить выход РВ в 1,95 раза. По уравнению экспериментально-статистической модели изучена кинетика гидролиза при различных концентрациях МЭК. Установлено, что при трехкратном увеличении концентрации МЭК достигается повышение выхода РВ от массы субстрата и выхода глюкозы от массы целлюлозы в субстрате на 13 %. Гидролизат, полученный с применением оптимальной МЭК, использован в качестве питательной среды для биосинтеза ценного биотехнологического продукта – бактериальной наноцеллюлозы, ее выход составил 6,1 % от глюкозы гидролизата.</p></abstract><trans-abstract xml:lang="en"><p>Lignocellulose is a global inexhaustible resource for obtaining various products of biotechnological synthesis. The enhanced efficiency of glucose extraction from lignocellulose will increase the yield of such products, thus decreasing their cost. The goal of the study was to optimize the composition of multienzyme cocktail (MEC) of commercial enzymatic preparations (EP) Cellolux-A, Ultraflo Core and Bruzyme BGX for efficient enzymatic hydrolysis of the substrate – oat husk treated with 4 wt.% nitric acid under the pilot-plant conditions. Mathematical processing of experimental data obtained by implementation of the simplex-centroid design of experiments revealed the optimal EP ratio equal to 1/4 : 3/4 : 0 (Cellolux-A – 18 mg/g substrate, Ultraflo Core – 55 mg/g substrate). The optimized composition of MEC allows increasing the reducing substances yield by a factor of 1.95. The equation of experimental statistical model was used to investigate the hydrolysis kinetics at different concentrations of MEC. It was shown that a threefold increase in the MEC concentration increases the reducing substances yield versus the substrate weight and the glucose yield versus the cellulose weight in the substrate by 13 %. The hydrolysate obtained using the optimized MEC served as a nutrient medium for biosynthesis of a valuable bioengineering product – bacterial nanocellulose, the yield of which constituted 6.1 % of the hydrolysate glucose.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>шелуха овса</kwd><kwd>азотнокислая обработка</kwd><kwd>ферментативный гидролиз</kwd><kwd>мультиэнзимная композиция</kwd><kwd>симплекс-центроидное планирование</kwd><kwd>бактериальная наноцеллюлоза</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">Schmid R.D. Taschenatlas der Biotechnologie und Gentechnik. John Wiley &amp; Sons, 2016. 414 p.</mixed-citation><mixed-citation xml:lang="en">Schmid R.D. Taschenatlas der Biotechnologie und Gentechnik. 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