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<p>Currently, science focuses on developing nanomaterials from biopolymeric sources. Gelatin is a complex protein composed of amino acids capable of transporting active compounds. The nopal mucilage of <i>Opuntia ficus-indica</i> is a polysaccharide with water-retention and emulsifying properties, while essential oils contain antioxidant and antimicrobial molecules. Silver nanoparticles (AgNPs) also show antimicrobial activity and were obtained through green synthesis using <i>Manilkara zapota</i> leaves as a reducing agent. The morphology was analyzed by Scanning Electron Microscopy (SEM), revealing nanowires from 80 to 250&#xa0;nm. Fourier Transform Infrared Spectroscopy (FTIR) identified functional groups and interactions with amide bands. Differential Scanning Calorimetry (DSC) showed changes in the thermal property for biofilms with different mucilage solution, due to the polysaccharide content. The obtained membranes will be applied as fruit coatings to evaluate their effectiveness. These membranes could also find potential applications in tissue engineering, controlled drug release, and active food packaging.</p> Graphical abstract <p></p>

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Obtaining and characterizing biopolymer films from gelatin/nopal mucilage/AgNP’S/essential oils by electrospinning method

  • 期刊论文

  • 发表日期：

    2026年1月5日

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  • René Salgado-Delgado,
  • Ciro Leonel Trujillo-Espinoza,
  • Alfredo Olarte-Paredes,
  • Manuel Jesús Granados-Baeza,
  • Areli Marlen Salgado-Delgado,
  • Romeo Emmanuel Nuñez-Gomez

摘要

Currently, science focuses on developing nanomaterials from biopolymeric sources. Gelatin is a complex protein composed of amino acids capable of transporting active compounds. The nopal mucilage of Opuntia ficus-indica is a polysaccharide with water-retention and emulsifying properties, while essential oils contain antioxidant and antimicrobial molecules. Silver nanoparticles (AgNPs) also show antimicrobial activity and were obtained through green synthesis using Manilkara zapota leaves as a reducing agent. The morphology was analyzed by Scanning Electron Microscopy (SEM), revealing nanowires from 80 to 250 nm. Fourier Transform Infrared Spectroscopy (FTIR) identified functional groups and interactions with amide bands. Differential Scanning Calorimetry (DSC) showed changes in the thermal property for biofilms with different mucilage solution, due to the polysaccharide content. The obtained membranes will be applied as fruit coatings to evaluate their effectiveness. These membranes could also find potential applications in tissue engineering, controlled drug release, and active food packaging.

Graphical abstract