Breakthrough in Nanotechnology: Chitosan-Based Composites Show Promising Results

Strategic Insights -

Researchers from the University of Agriculture in Krakow, Poland, have made a significant breakthrough in the field of nanotechnology. By developing a surfactant-free method to produce beeswax and olive oil nano-/microcapsules stabilized solely within a chitosan matrix, they have created a novel composite material with enhanced properties. This innovative approach has the potential to revolutionize applications in cosmetics and food technology, offering improved hydrophobicity, UV barrier properties, and mild antibacterial activity.

Key Takeaways:

  • The researchers developed a surfactant-free method to produce beeswax and olive oil nano-/microcapsules stabilized solely within a chitosan matrix, without synthetic stabilizers or additional surfactants.
  • The formation of gels and films containing these nano/micro capsules was confirmed by scanning electron microscopy (SEM).
  • Incorporation of the nano/micro capsules into the matrix reduced the mechanical properties compared to the control sample, but significantly improved the hydrophobicity and UV barrier properties.
  • Microbiological tests revealed mild antibacterial properties, highlighting the potential of the composites for applications in cosmetics, such as emulsions and creams, and in food technology, as coatings and packaging materials.
  • The encapsulation process enables the straightforward integration of bioactive ingredients, expanding the potential applications.
  • The research was led by Liliana Woszczak, and additional authors included Karen Khachatryan, Magdalena Krystyjan, Anna Lenart-Boron, Marcel Krzan, Anna Bialecka, and Gohar Khachatryan.

Statistics:

  • The research was published in Scientific Reports, a Nature Portfolio journal.
  • The article is titled "Chitosan composites with beeswax and olive oil nano-microcapsules physicochemical characterization and antibacterial activity against skin microbiota". (Scientific Reports, 2025; 15(1): 35927)
  • The research was conducted at the Laboratory of Nanomaterials and Nanotechnology, Faculty of Food Technology, University of Agriculture, Krakow, Poland.

Sources:

  • Woszczak, L., et al. (2025). Chitosan composites with beeswax and olive oil nano-microcapsules physicochemical characterization and antibacterial activity against skin microbiota. Scientific Reports, 2025; 15(1): 35927.
  • University of Agriculture (no date). Laboratory of Nanomaterials and Nanotechnology. Faculty of Food Technology. Balicka Street 122, 30-149, Krakow, Poland.
  • Nature Portfolio (no date). Scientific Reports. Heidelberger Platz 3, Berlin, 14197, Germany.