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 <front>
  <journal-meta>
   <journal-id journal-id-type="publisher-id">Bulletin of KSAU</journal-id>
   <journal-title-group>
    <journal-title xml:lang="en">Bulletin of KSAU</journal-title>
    <trans-title-group xml:lang="ru">
     <trans-title>Вестник КрасГАУ</trans-title>
    </trans-title-group>
   </journal-title-group>
   <issn publication-format="print">1819-4036</issn>
  </journal-meta>
  <article-meta>
   <article-id pub-id-type="publisher-id">106852</article-id>
   <article-id pub-id-type="doi">10.36718/1819-4036-2026-5-214-230</article-id>
   <article-id pub-id-type="edn">anvvzi</article-id>
   <article-categories>
    <subj-group subj-group-type="toc-heading" xml:lang="ru">
     <subject>Пищевые технологии</subject>
    </subj-group>
    <subj-group subj-group-type="toc-heading" xml:lang="en">
     <subject>Food technology</subject>
    </subj-group>
    <subj-group>
     <subject>Пищевые технологии</subject>
    </subj-group>
   </article-categories>
   <title-group>
    <article-title xml:lang="en">STUDY OF THE VEGETABLE OILS PROPERTIES EXTRACTED  BY PRESSING AND CHEMICAL EXTRACTION</article-title>
    <trans-title-group xml:lang="ru">
     <trans-title>ИССЛЕДОВАНИЕ СВОЙСТВ РАСТИТЕЛЬНЫХ МАСЕЛ,  ИЗВЛЕЧЕННЫХ ПРЕССОВАНИЕМ И ХИМИЧЕСКОЙ ЭКСТРАКЦИЕЙ</trans-title>
    </trans-title-group>
   </title-group>
   <contrib-group content-type="authors">
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Ущаповский</surname>
       <given-names>Валентин Игоревич</given-names>
      </name>
      <name xml:lang="en">
       <surname>Uschapovskiy</surname>
       <given-names>Valentin Igorevich</given-names>
      </name>
     </name-alternatives>
     <email>v.uschapovsky@fnclk.ru</email>
     <xref ref-type="aff" rid="aff-1"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Яковлева</surname>
       <given-names>Агата Анатольевна</given-names>
      </name>
      <name xml:lang="en">
       <surname>Yakovleva</surname>
       <given-names>Agata Anatol'evna</given-names>
      </name>
     </name-alternatives>
     <email>a.goncharova@fnclk.ru</email>
     <xref ref-type="aff" rid="aff-2"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Зайцева</surname>
       <given-names>Любовь Анатольевна</given-names>
      </name>
      <name xml:lang="en">
       <surname>Zayceva</surname>
       <given-names>Lyubov' Anatol'evna</given-names>
      </name>
     </name-alternatives>
     <email>l.zaitzeva@fnclk.ru</email>
     <xref ref-type="aff" rid="aff-3"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Миневич</surname>
       <given-names>Ирина Эдуардовна</given-names>
      </name>
      <name xml:lang="en">
       <surname>Minevich</surname>
       <given-names>Irina Eduardovna</given-names>
      </name>
     </name-alternatives>
     <email>i.minevich@fnclk.ru</email>
     <xref ref-type="aff" rid="aff-4"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Галкин</surname>
       <given-names>Алексей Васильевич</given-names>
      </name>
      <name xml:lang="en">
       <surname>Galkin</surname>
       <given-names>Aleksey Vasil'evich</given-names>
      </name>
     </name-alternatives>
     <email>a.galkin@fnclk.ru</email>
     <bio xml:lang="ru">
      <p>кандидат технических наук;</p>
     </bio>
     <bio xml:lang="en">
      <p>candidate of technical sciences;</p>
     </bio>
     <xref ref-type="aff" rid="aff-5"/>
    </contrib>
   </contrib-group>
   <aff-alternatives id="aff-1">
    <aff>
     <institution xml:lang="ru">ФГБНУ «Федеральный научный центр лубяных культур»</institution>
     <city>Тверь</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Federal State Budget Research Institution «Federal Research Center for Bast Fiber Crops»</institution>
     <city>Tver</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-2">
    <aff>
     <institution xml:lang="ru">ФГБНУ «Федеральный научный центр лубяных культур»</institution>
     <city>Тверь</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Federal State Budget Research Institution «Federal Research Center for Bast Fiber Crops»</institution>
     <city>Tver</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-3">
    <aff>
     <institution xml:lang="ru">ФГБНУ «Федеральный научный центр лубяных культур»</institution>
     <city>Тверь</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Federal State Budget Research Institution «Federal Research Center for Bast Fiber Crops»</institution>
     <city>Тверь</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-4">
    <aff>
     <institution xml:lang="ru">ФГБНУ «Федеральный научный центр лубяных культур»</institution>
     <city>Тверь</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Federal State Budget Research Institution «Federal Research Center for Bast Fiber Crops»</institution>
     <city>Тверь</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-5">
    <aff>
     <institution xml:lang="ru">Федеральное государственное бюджетное научное учреждение «Федеральный научный центр лубяных культур»</institution>
     <city>Тверь</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Федеральное государственное бюджетное научное учреждение «Федеральный научный центр лубяных культур»</institution>
     <city>Тверь</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <pub-date publication-format="print" date-type="pub" iso-8601-date="2026-07-09T07:12:07+03:00">
    <day>09</day>
    <month>07</month>
    <year>2026</year>
   </pub-date>
   <pub-date publication-format="electronic" date-type="pub" iso-8601-date="2026-07-09T07:12:07+03:00">
    <day>09</day>
    <month>07</month>
    <year>2026</year>
   </pub-date>
   <issue>5</issue>
   <fpage>214</fpage>
   <lpage>230</lpage>
   <history>
    <date date-type="received" iso-8601-date="2025-11-20T00:00:00+03:00">
     <day>20</day>
     <month>11</month>
     <year>2025</year>
    </date>
   </history>
   <self-uri xlink:href="https://vestnik.kgau.ru/en/nauka/article/106852/view">https://vestnik.kgau.ru/en/nauka/article/106852/view</self-uri>
   <abstract xml:lang="ru">
    <p>Цель исследования – сравнительная оценка свойств растительных масел, полученных методами прессования и химической экстракции. Задачи: проведение органолептической оценки прессованных коммерческих масел и лабораторных экстракционных образцов; определение стандартных показателей качества; анализ содержания каротиноидов и хлорофиллов методом УФ-спектроскопии. Исследования проводили на базе лаборатории переработки лубяных культур Федерального научного центра лубяных культур в г. Твери. Объект исследования – прессованные и экстракционные масла льна, конопли, рапса и черного тмина. В ходе работы установлено, что экстракционный метод обеспечивает более высокий выход масла (до 45 %) по сравнению с прессованием (до 25 %). Однако достижение большего выхода сопряжено с изменением характеристик продукта. По результатам органолептической оценки экстракционные масла обладают насыщенным цветом, но уступают прессованным образцам по следующим показателям: для них характерны менее выраженный запах с присутствием следов растворителя и меньшая прозрачность. Кислотное число экстракционных масел закономерно превышало значение этого показателя в прессованных маслах для всех исследованных культур, в то время как значения йодного числа и влажности всех образцов соответствовали установленным нормативам. Методом УФ-спектроскопии подтверждено наличие в исследуемых маслах пигментного комплекса. Во всех образцах зафиксированы пики поглощения в области 400–500 нм, характерные для каротиноидов. В экстракционных маслах дополнительно обнаружен пик в области 670 нм, указывающий на присутствие хлорофиллов, что коррелирует с их более интенсивной окраской. Полученные результаты подтверждают, что выбор способа получения является определяющим фактором, влияющим на выход, качество и потребительские свойства растительных масел. Выявленные закономерности могут быть использованы для оптимизации технологии переработки масличного сырья в зависимости от целевого назначения конечного продукта.</p>
   </abstract>
   <trans-abstract xml:lang="en">
    <p>The aim of the study is to comparatively evaluate the properties of vegetable oils obtained by pressing and chemical extraction methods. Objectives: conducting an organoleptic evaluation of pressed commercial oils and laboratory extraction samples; determining standard quality indicators; analyzing the content of carotenoids and chlorophylls using UV spectroscopy. Research was conducted at the Bast Crops Processing Laboratory of the Federal Scientific Center for Bast Crops in Tver. The object of the study was pressed and extracted oils of flax, hemp, rapeseed, and black cumin. The study found that the extraction method provides a higher oil yield (up to 45 %) compared to pressing (up to 25 %). However, achieving a higher yield is associated with changes in product characteristics. According to the results of the organoleptic evaluation, the extracted oils have a rich color, but are inferior to pressed samples in the following respects: they are characterized by a less pronounced odor with the presence of traces of solvent and less transparency. The acid number of the extracted oils naturally exceeded the value of this indicator in pressed oils for all the studied crops, while the values of the iodine number and moisture content of all samples corresponded to the established standards. UV spectroscopy confirmed the presence of a pigment complex in the oils studied. All samples exhibited absorption peaks in the 400–500 nm range, characteristic of carotenoids. An additional peak in the 670 nm range was detected in the extracted oils, indicating the presence of chlorophylls, which correlates with their more intense color. These results confirm that the choice of extraction method is a determining factor influencing the yield, quality, and consumer properties of vegetable oils. The identified patterns can be used to optimize oilseed processing technology depending on the intended use of the final product.</p>
   </trans-abstract>
   <kwd-group xml:lang="ru">
    <kwd>масличные культуры</kwd>
    <kwd>растительное масло</kwd>
    <kwd>каротиноиды</kwd>
    <kwd>хлорофилл</kwd>
    <kwd>спектрофотометрия</kwd>
   </kwd-group>
   <kwd-group xml:lang="en">
    <kwd>oilseed crops</kwd>
    <kwd>vegetable oil</kwd>
    <kwd>carotenoids</kwd>
    <kwd>chlorophyll</kwd>
    <kwd>spectrophotometry</kwd>
   </kwd-group>
   <funding-group>
    <funding-statement xml:lang="ru">исследование выполнено при поддержке Минобрнауки России в рамках Государственного задания ФГБНУ «Федеральный научный центр лубяных культур» (тема № FGSS-2022-0007).</funding-statement>
    <funding-statement xml:lang="en">the study has been supported by the Ministry of Education and Science of the Russian Federation within the framework of the state task of the FSBSI FRC BFC (FGSS-2022-0007).</funding-statement>
   </funding-group>
  </article-meta>
 </front>
 <body>
  <p></p>
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