Interfacial activity of modified dextran polysaccharide to produce enzyme-responsive oil-in-water nanoemulsions

Chem Commun (Camb). 2021 May 6;57(37):4540-4543. doi: 10.1039/d1cc00819f.

Abstract

Herein, we report the evaluation of dextran (DXT) derivatives bearing hydrophobic or hydrophilic functional groups as stabilisers of oil-in-water (O/W) emulsions. All investigated modifications conferred interfacial activity to produce stable O/W emulsions, methacrylate(MA)-functionalised DXT being the most promising stabiliser. A minimum amount of MA was required to obtain stable O/W nanoemulsions, which could be degraded in the presence of lipases.

MeSH terms

  • Dextrans / chemistry
  • Dextrans / metabolism*
  • Emulsions / chemistry
  • Emulsions / metabolism
  • Fungal Proteins / chemistry
  • Fungal Proteins / metabolism*
  • Hydrophobic and Hydrophilic Interactions
  • Lipase / chemistry
  • Lipase / metabolism*
  • Nanoparticles / chemistry
  • Nanoparticles / metabolism*
  • Oils / chemistry
  • Oils / metabolism*
  • Particle Size
  • Water / chemistry
  • Water / metabolism*

Substances

  • Dextrans
  • Emulsions
  • Fungal Proteins
  • Oils
  • Water
  • Lipase
  • lipase B, Candida antarctica