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August 9, 2026Waste and Biomass ValorizationOpen Access

Microencapsulation of Araucaria angustifolia bract extract: protection and bioaccessibility of phenolic compounds in chitosan-based systems

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Authors

CCCarina CassiniJAJacqueline Resende de AzevedoDFDaniel Maurer Ferreira

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Overview

Randomized trial demonstrates improved bioaccessibility of phenolic compounds in chitosan systems, highlighting new sustainable applications.

Key Points

  • This research aims to enhance the stability and bioaccessibility of phenolic compounds from Araucaria angustifolia through microencapsulation.
  • Microencapsulation using chitosan combined with maltodextrin or Arabic gum via spray drying.
  • Characterization of microparticles including particle size, moisture content, and encapsulation efficiency.
  • Evaluation of bioaccessibility through simulated gastrointestinal digestion and cytotoxicity in intestinal cells.
  • AAE-loaded microparticles had sizes between 4.80 to 5.54 μm and moisture content of 4.63 to 7.00%.
  • Encapsulation efficiency for phenolic compounds was nearly 100% with over 90% bioaccessibility post digestion.
  • No cytotoxic effects were observed in Caco-2 cells, indicating biological safety.

Cite This Study

Cassini et al. (2026) studied this question.

synapsesocial.com/papers/6a782d2c2e1896536c83ff1dhttps://doi.org/10.1007/s12649-026-03759-w
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