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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">izvkgtu</journal-id><journal-title-group><journal-title xml:lang="ru">Известия КГТУ</journal-title><trans-title-group xml:lang="en"><trans-title>KSTU News</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1997-3071</issn><publisher><publisher-name>Калининградский государственный технический университет</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.46845/1997-3071-2022-64-81-94</article-id><article-id custom-type="elpub" pub-id-type="custom">izvkgtu-134</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>ТЕХНИКА И ТЕХНОЛОГИЯ ПИЩЕВЫХ ПРОИЗВОДСТВ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PROCESSES AND TECHNOLOGY OF FOOD MANUFACTURING</subject></subj-group></article-categories><title-group><article-title>Химические и микробиологические показатели кожи и чешуи рыб при переработке и получении новой пищевой продукции</article-title><trans-title-group xml:lang="en"><trans-title>Chemical and microbiological parameters of fish skin and scales in processing and obtaining new food products</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>Воробьев</surname><given-names>В. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Vorobyov</surname><given-names>V. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Воробьев Виктор Иванович, кандидат технических наук, доцент кафедры химии</p></bio><bio xml:lang="en"><p>Vorobyov Victor Ivanovich, PhD in Engineering, Associate Professor of the Department of Chemistry</p></bio><email xlink:type="simple">mobi.dik.10@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>Казимирченко</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kazimirchenko</surname><given-names>O. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Казимирченко Оксана Владимировна, кандидат биологических наук, доцент кафедры ихтиопатологии и гидробиологии</p></bio><bio xml:lang="en"><p>Kazimirchenko Oksana Vladimirovna, PhD in Biology, Associate Professor of the Department of Ichthyopathology and Hydrobiology</p></bio><email xlink:type="simple">okazimirchenko@gmail.com</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>Нижникова</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Nizhnikova</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нижникова Елена Владимировна, кандидат биологических наук, доцент кафедры химии </p></bio><bio xml:lang="en"><p>Nizhnikova Elena Vladimirovna, PhD in Biology, Associate Professor of the Department of Chemistry</p></bio><email xlink:type="simple">nizhnikova6462@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Калининградский государственный технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Kaliningrad State Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>22</day><month>03</month><year>2025</year></pub-date><volume>0</volume><issue>64</issue><fpage>81</fpage><lpage>94</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Воробьев В.И., Казимирченко О.В., Нижникова Е.В., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Воробьев В.И., Казимирченко О.В., Нижникова Е.В.</copyright-holder><copyright-holder xml:lang="en">Vorobyov V.I., Kazimirchenko O.V., Nizhnikova E.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://journal.klgtu.ru/jour/article/view/134">https://journal.klgtu.ru/jour/article/view/134</self-uri><abstract><p>Предложен способ переработки рыбьей кожи с чешуей с целью получения пищевых добавок и напитков, обогащенных коллагеном и продуктами его гидролиза. Определено, что в результате термического гидролиза (100 °C в течение 2 мин) рыбьей чешуи в яблочном соке (массовая доля белка 0,1 %, углеводов – 11,8 %, золы – 0,46 %, фосфора – 0,11 %, кальция – следы) и последующего фракционирования смеси получаемый сокосодержащий напиток, обогащенный продуктами гидролиза коллагена, имел следующий химический состав: белок – 1,12 %, углеводы – 10,7 %, зола – 0,69 %, фосфор – 0,18 %, кальций – 0,02 %. Частично гидролизованная, набухшая и измельченная в яблочном соке (соотношение 1:3 по массе, продолжительность гидролиза 48 ч при 4 °C) рыбья кожа (полуфабрикат) смешивалась и гомогенизировалась при соотношении 1:5 с яблочно-грушевым соком, приобретая пюреобразную консистенцию с содержанием белка 1,86 %, углеводов – 8,2, золы – 0,54, фосфора – 0,26, кальция – 0,01 %. Микробиологические испытания фруктовых соков, кожи и чешуи судака выявили соответствие по нормируемым показателям. Наибольшей микробиологической стабильностью при холодильном хранении обладали пробы яблочногрушевого сока. Состав микрофлоры фруктовых соков формировали споровые и неспоровые палочковидные бактерии, на конечных этапах хранения – дрожжевые и плесневые грибы, микрофлору кожи и чешуи – кокки. Показатели бактериальной обсемененности проб обогащенных напитков, полуфабриката, пюре на основе яблочного сока и экспериментальных смешанных проб с добавлением апельсинового сока в фоновых точках были незначительными (в среднем на уровне 8,2×102 КОЕ/см3), к концу срока хранения они закономерно повышались. Микрофлору проб обогащенных напитков формировали неспоровые палочки Pseudomonas putida, единично Bacillus subtilis, в пробах с более низкими значениями pH доминировали кислотоустойчивые бактерии Streptococcus sp., Micrococcus candidus. </p></abstract><trans-abstract xml:lang="en"><p>A method is proposed for processing fish skin with scales in order to obtain food additives and drinks enriched with collagen and its hydrolysis products. It has been determined that as a result of thermal hydrolysis (100 deg C for 2 minutes) fish scales in apple juice (mass fraction of protein – 0.1%, carbohydrates – 11.8%, ash – 0.46%, phosphorus – 0.11%, calcium – traces) and subsequent fractionation of the mixture, the resulting juice drink enriched with collagen hydrolysis products has the following chemical composition: protein – 1.12%, carbohydrates – 10.7%, ash – 0.69%, phosphorus – 0.18%, calcium – 0.02%. Partially hydrolyzed, swollen and crushed in apple juice (ratio 1:3 by weight, duration of hydrolysis – 48 hours at 4 deg C) fish skin (semi-finished product) was mixed and homogenized at a ratio of 1:5 with apple-pear juice, acquiring puree-like consistency with protein content: 1.86%, carbohydrates – 8.2%, ash – 0.54%, phosphorus – 0.26%, calcium – 0.01%. Microbiological tests of fruit juices, skin and scales of pike perch showed compliance with the standardized indicators. Samples of apple-pear juice had the highest microbiological stability during cold storage. Composition of the microflora of fruit juices was formed by spore and non-spore rod-shaped bacteria, at the final stages of storage – yeast and mold fungi, microflora of the skin and scales – coccal bacteria. Indicators of bacterial contamination of samples of fortified drinks, semi-finished products, puree based on apple juice and experimental mixed samples with the addition of orange juice at the background points were insignificant (on average, 8.2 × 102 CFU / cm3), by the end of the shelf life, they naturally increased. The microflora of samples of enriched drinks was formed by non-spore sticks of Pseudomonas putida, Bacillus subtilis alone; in samples with lower pH values, acid-fast bacteria Streptococcus sp., Micrococcus candidus dominated.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>рыбный коллаген</kwd><kwd>кожа рыб</kwd><kwd>чешуя рыб</kwd><kwd>яблочный сок</kwd><kwd>гидролиз</kwd><kwd>микробиологический анализ проб кожи и чешуи</kwd><kwd>обогащенный напиток</kwd></kwd-group><kwd-group xml:lang="en"><kwd>fish collagen</kwd><kwd>fish skin</kwd><kwd>fish scales</kwd><kwd>apple juice</kwd><kwd>hydrolysis</kwd><kwd>microbiological analysis of skin and scale samples</kwd><kwd>enriched drink</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">ФАO. 2018. Состояние мирового рыболовства и аквакультуры 2018 – Достижение целей устойчивого развития. 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