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<p>This study aimed to evaluate the jackfruit leaf glutelin fraction (JGLU) with pullulan (PUL) for generating nanostructures using an electrohydrodynamic process (EHDp). Solutions with varying PUL: JGLU ratios (100:0 to 20:80) were prepared, characterized, and subjected to EHDp. The obtained structures were characterized morphologically, structurally, and thermally. Antioxidant activity, photostability, solubility, and hygroscopicity were also evaluated. Increasing the proportion of JGLU in a formulation raised pH and conductivity, which affects EHDp processes. Low conductivity solutions (ratios 100:0 to 70:30) show stability at high flow rates and voltages, forming continuous fibers (315 to 254 nm). In contrast, high-conductivity solutions (20:80) were stable at low flow rates and voltages, producing capsules with diameters of approximately 677 nm. The structural analysis revealed interactions among polymers and improved thermal stability of nanostructures, which exhibit varying antioxidant capacity (5.5‒97.8%), photoprotection (63‒99%), solubility (85‒34%), and hygroscopicity (7.2‒4.6%) based on JGLU proportion. The findings indicate that JGLU combined with pullulan has the potential to form nanostructures with various morphologies, through EHDp by adjusting the formulation composition. The flexibility of EHDp to create multiple structures offers advantages over traditional methods, which often require complex equipment, procedures, or high temperatures only for capsule production. The nanostructures created via EHDp have a variety of applications, including as matrices for encapsulating bioactive compounds, with potential uses in the food industry (capsules), as well as in the medical, pharmaceutical, and cosmetic sectors, particularly in fiber form. Future research should prioritize scaling up industrial processes for commercial availability.</p>

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Jackfruit leaf protein glutelin in combination with pullulan for obtaining nanostructures by electrohydrodynamic process

  • 期刊论文

  • 发表日期：

    2025年11月10日

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  • Carolina Calderón-Chiu,
  • Montserrat Calderón-Santoyo,
  • Gabriel Ascanio,
  • Juan Saulo González-González,
  • Juan Arturo Ragazzo-Sánchez

摘要

This study aimed to evaluate the jackfruit leaf glutelin fraction (JGLU) with pullulan (PUL) for generating nanostructures using an electrohydrodynamic process (EHDp). Solutions with varying PUL: JGLU ratios (100:0 to 20:80) were prepared, characterized, and subjected to EHDp. The obtained structures were characterized morphologically, structurally, and thermally. Antioxidant activity, photostability, solubility, and hygroscopicity were also evaluated. Increasing the proportion of JGLU in a formulation raised pH and conductivity, which affects EHDp processes. Low conductivity solutions (ratios 100:0 to 70:30) show stability at high flow rates and voltages, forming continuous fibers (315 to 254 nm). In contrast, high-conductivity solutions (20:80) were stable at low flow rates and voltages, producing capsules with diameters of approximately 677 nm. The structural analysis revealed interactions among polymers and improved thermal stability of nanostructures, which exhibit varying antioxidant capacity (5.5‒97.8%), photoprotection (63‒99%), solubility (85‒34%), and hygroscopicity (7.2‒4.6%) based on JGLU proportion. The findings indicate that JGLU combined with pullulan has the potential to form nanostructures with various morphologies, through EHDp by adjusting the formulation composition. The flexibility of EHDp to create multiple structures offers advantages over traditional methods, which often require complex equipment, procedures, or high temperatures only for capsule production. The nanostructures created via EHDp have a variety of applications, including as matrices for encapsulating bioactive compounds, with potential uses in the food industry (capsules), as well as in the medical, pharmaceutical, and cosmetic sectors, particularly in fiber form. Future research should prioritize scaling up industrial processes for commercial availability.