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<p>The objective of this research was to develop electrosprayed nanoparticles composed of chia seed protein isolate (CSPI) that are loaded with blueberry extract (BBE). Chia seed protein was extracted utilizing natural deep eutectic solvents (NDESs) through an ultrasound-assisted extraction (UAE). The UAE at 80% power with a choline chloride-urea (ChCl-Urea) eutectic solvent yielded the highest extraction efficiency (80.53 ± 1.47%) and protein content (90.45 ± 1.23%). Various concentrations of CSPI (3, 5, 7, 10, and 15 w/v %) were employed to fabricate the electrosprayed nanoparticles containing the extract. Higher protein concentrations increased electrical conductivity, surface tension, and zeta potential. Additionally, the apparent viscosity and the <i>G</i>′ and <i>G</i>″ moduli, as assessed through frequency and strain sweep tests, also increased with higher concentrations. At a concentration of 10 w/v %, nanoparticles exhibited optimal morphology and reduced size, as confirmed by FESEM and TEM. The successful encapsulation and enhanced thermal stability were validated through FTIR, XED, and DSC. Fickian diffusion was the main mechanism affecting the BBE release from the designed structures in various simulated models. The release behavior of BBE from the electrosprayed CSPI nanoparticles was effectively described by the Peleg equation.</p>

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Ultrasound-Assisted Extraction Coupled with a Deep Eutectic Solvent of Chia Seed Protein Isolate and In Vitro Release Modeling of Blueberry Extract from Electrosprayed Nanoparticles

  • 期刊论文

  • 发表日期：

    2025年8月16日

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  • Mina Nemati,
  • Majid Javanmard Dakheli,
  • Masoud Honarvar,
  • GholamHassan Asadi,
  • Maliheh Safavi

摘要

The objective of this research was to develop electrosprayed nanoparticles composed of chia seed protein isolate (CSPI) that are loaded with blueberry extract (BBE). Chia seed protein was extracted utilizing natural deep eutectic solvents (NDESs) through an ultrasound-assisted extraction (UAE). The UAE at 80% power with a choline chloride-urea (ChCl-Urea) eutectic solvent yielded the highest extraction efficiency (80.53 ± 1.47%) and protein content (90.45 ± 1.23%). Various concentrations of CSPI (3, 5, 7, 10, and 15 w/v %) were employed to fabricate the electrosprayed nanoparticles containing the extract. Higher protein concentrations increased electrical conductivity, surface tension, and zeta potential. Additionally, the apparent viscosity and the G′ and G″ moduli, as assessed through frequency and strain sweep tests, also increased with higher concentrations. At a concentration of 10 w/v %, nanoparticles exhibited optimal morphology and reduced size, as confirmed by FESEM and TEM. The successful encapsulation and enhanced thermal stability were validated through FTIR, XED, and DSC. Fickian diffusion was the main mechanism affecting the BBE release from the designed structures in various simulated models. The release behavior of BBE from the electrosprayed CSPI nanoparticles was effectively described by the Peleg equation.