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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">hfb</journal-id><journal-title-group><journal-title xml:lang="ru">Health, Food &amp; Biotechnology</journal-title><trans-title-group xml:lang="en"><trans-title>Health, Food &amp; Biotechnology</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2712-7648</issn><publisher><publisher-name>РОСБИОТЕХ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.36107/hfb.2019.i4.s282</article-id><article-id custom-type="elpub" pub-id-type="custom">hfb-55</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>БИОТЕХНОЛОГИИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BIOTECHNOLOGY</subject></subj-group></article-categories><title-group><article-title>Создание низколактозной молочной сыворотки с использованием бактериальной β-галактозидазы</article-title><trans-title-group xml:lang="en"><trans-title>Creation of Low-Lactose Milk Serum using Bacterial β-Galactosidase</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>Краснова</surname><given-names>Ю. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Krasnova</surname><given-names>Yu. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Краснова Юлия Валерьевна</p><p>142210, город Серпухов, Большой Ударный переулок, дом 1а</p></bio><bio xml:lang="en"><p>Yuliya V. Krasnova</p><p>1a, Bolshoy Udarniy pereulok, Serpukhov, 142210, Russian Federation</p></bio><email xlink:type="simple">krasnova@iifmail.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>Бутова</surname><given-names>С. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Butova</surname><given-names>S. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бутова Светлана Николаевна</p><p>125080, Москва, Волоколамское шоссе, дом 11</p></bio><bio xml:lang="en"><p>Svetlana N. Butova</p><p>11 Volokolamskoe highway, Moscow, 125080, Russian Federation</p></bio><email xlink:type="simple">zhirmgupp@mgupp.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Вольнова</surname><given-names>Е. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Volnova</surname><given-names>E. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Вольнова Екатерина Романовна</p><p>125080, Москва, Волоколамское шоссе, дом 11</p></bio><bio xml:lang="en"><p>Ekaterina R. Volnova</p><p>11 Volokolamskoe highway, Moscow, 125080, Russian Federation</p></bio><email xlink:type="simple">volnovaer@mgupp.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Николаева</surname><given-names>Ю. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Nikolaeva</surname><given-names>Ju. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Николаева Юлия Владимировна</p><p>125080, Москва, Волоколамское шоссе, дом 11</p></bio><bio xml:lang="en"><p>Julia V. Nikolaeva</p><p>11 Volokolamskoe highway, Moscow, 125080, Russian Federation</p></bio><email xlink:type="simple">organikamgupp@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Межрегиональное общественное учреждение «Институт инженерной физики»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Interregional public organization «Institute of Engineering Physics»</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГБОУ ВО «Московский государственный университет пищевых производств»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Moscow State University of Food Production</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>06</day><month>05</month><year>2021</year></pub-date><volume>1</volume><issue>4</issue><fpage>105</fpage><lpage>113</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Краснова Ю.В., Бутова С.Н., Вольнова Е.Р., Николаева Ю.В., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Краснова Ю.В., Бутова С.Н., Вольнова Е.Р., Николаева Ю.В.</copyright-holder><copyright-holder xml:lang="en">Krasnova Y.V., Butova S.N., Volnova E.R., Nikolaeva J.V.</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.hfb-journal.ru/jour/article/view/55">https://www.hfb-journal.ru/jour/article/view/55</self-uri><abstract><p>На сегодняшний момент существует проблема переработки отходов молочной промышленности, в частности молочной сыворотки. Молочная сыворотка является ценным белоксодержащим продуктом, однако на переработку поступает не более 30 % от объёма её выработки в России. В настоящей статье представлены результаты исследования, посвящённые ферментативной переработке молочной сыворотки, направленной на получение низколактозного молочного полуфабриката. В работе использовался фермент бактериальной природы – β-галактозидаза со стандартной активностью 5500 BLU/г. Изучалось влияние рН в интервале от 5,5 до 6,5, температуры в диапазоне от 40 до 45 °С, количества вносимой β-галактозидазы (0,01-0,07 % от массы сыворотки), продолжительности процесса ( от 3 до 24 часов) на эффективность гидролиза молочной сыворотки. Установлено, что при рН= 6,0; температуре 40 °С; продолжительности гидролиза 3 часа β-галактозидаза в дозировке 0,05 % обеспечивает оптимальное остаточное количество лактозы в сыворотке, равное 0,6 %. Максимального снижения лактозы в сыворотке (массовая доля лактозы составила 0,1 %) также удалось добиться при следующих параметрах: рН=6,0; температура 40 °С, продолжительность 24 часа, количество фермента 0,07 %. Но проведение гидролиза при указанных параметрах было признано нерациональным и экономически нецелесообразным. Таким образом, были получены оптимальные параметры переработки молочной сыворотки при помощи бактериальной β-галактозидазы. Был получен низколактозный молочный полуфабрикат, который является перспективной сырьевой основой функциональных и специализированных продуктов питания, предназначенных для людей, страдающих лактозной непереносимостью.</p></abstract><trans-abstract xml:lang="en"><p>Today, there is a problem of processing waste of the dairy industry, in particular whey. Whey is a valuable protein-containing product, but no more than 30% of the volume of its generation in Russia goes into processing. This article presents the results of research on enzymatic processing of whey aimed at obtaining low-lactose dairy semi-finished product. The enzyme of bacterial nature - β-galactosidase with a standard activity of 5500 BLU/g was used in the research. The influence of pH in the range from 5.5 to 6.5, temperature in the range from 40 to 45 °C, amount of β-galactosidase introduced (0.01-0.07% of serum mass) and the duration of the process (from 3 to 24 hours) on the efficiency of whey hydrolysis was studied. It was found that at pH = 6.0; temperature of 40 °C and the duration of hydrolysis of 3 hours the dosage of β-galactosidase amounting to 0.05% provides optimal residual amount of lactose in serum equal to 0.6%. The maximum reduction of lactose in serum (the mass fraction of lactose was 0.1%) was also achieved at the following parameters: pH = 6.0; temperature 40 °C, duration 24 hours, the amount of enzyme 0.07%. But the hydrolysis at these parameters was considered irrational and economically inappropriate. Thus, optimal parameters for milk whey processing using bacterial β-galactosidase were determined. A low-lactose dairy semi-finished product was obtained, which is a promising raw material for functional and specialized food products intended for people suffering lactose intolerance.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>β-галактозидаза</kwd><kwd>молочная промышленность</kwd><kwd>сыворотка</kwd><kwd>ферментативный гидролиз</kwd><kwd>низколактозный полуфабрикат</kwd></kwd-group><kwd-group xml:lang="en"><kwd>β-galactosidase</kwd><kwd>dairy industry</kwd><kwd>serum</kwd><kwd>enzymatic hydrolysis</kwd><kwd>low-lactose semifinished product</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">Арсеньева, Т. П. (2010). К чему приводит лактазная недостаточность. 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