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Effects of selected essential oils on Listeria monocytogenes in biofilms and in a model food system

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  • المصدر:
    Foods
  • نوع التسجيلة:
    Electronic Resource
  • الدخول الالكتروني :
    http://veterinar.vet.bg.ac.rs/bitstream/id/8660/Effects-of-Selected-Essential-Oils-on-Listeria-monocytogenes-in-Biofilms-and-in-a-Model-Food-SystemFoods.pdf
  • معلومة اضافية
    • Publisher Information:
      MDPI 2023
    • Added Details:
      Vidaković Knežević, Suzana
      Knežević, Slobodan
      Vranešević, Jelena
      Kravić, Snežana Ž.
      Lakićević, Brankica
      Kocić-Tanackov, Sunčica
      Karabasil, Nedjeljko
    • نبذة مختصرة :
      The composition of 18 essential oils was determined using gas chromatography–mass spectrometry, and their antilisterial activity was evaluated by the disk diffusion method, followed by the determination of the minimum inhibitory and minimum bactericidal concentrations. The most active essential oils were oregano, thyme, cinnamon, winter savory, and clove, with MIC values ranging from 0.09 to 1.78 µL/mL. We investigated the biofilm-forming potential of Listeria monocytogenes on polystyrene at 5 °C, 15 °C, and 37 °C in three different media. The formation of biofilm was found to be dependent on the temperature and the availability of nutrients. After treatment with selected essential oils, the reduction in biofilm biomass was in the range of 32.61% and 78.62%. Micromorphological changes in the L. monocytogenes treated by oregano and thyme essential oils were observed in the form of impaired cell integrity and cell lyses by using scanning electron microscope. Oregano and thyme essential oils (MIC and 2MIC) significantly (p < 0.05) reduced the population of L. monocytogenes in minced pork meat during storage at 4 °C. In conclusion, the obtained results indicated the good activity of some selected essential oils on L. monocytogenes, with bacteriostatic, bactericidal, and antibiofilm effects at very low concentrations.
    • الموضوع:
      antimicrobial activity; antibiofilm activity; minced pork meat; Listeria monocytogenes; oregano essential oil; thyme essential oil; article
    • Note:
      Foods
      English
    • Other Numbers:
      RSPST oai:vet-erinar.vet.bg.ac.rs:123456789/2940
      2304-8158
      https://vet-erinar.vet.bg.ac.rs/handle/123456789/2940
      10.3390/foods12101930
      1383766411
    • Contributing Source:
      UIVERSITY OF BELGRADE
      From OAIster®, provided by the OCLC Cooperative.
    • الرقم المعرف:
      edsoai.on1383766411
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