Electrospinning vs. electrospraying: a comparative assessment of the two techniques for orange essential oil encapsulation

  • Kringel D
  • Biduski B
  • Silva W
  • et al.
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Abstract

The aim of this study was to encapsulate orange essential oil (OEO) in zein polymer by the electrospinning/electrospraying techniques. OEO at concentrations of 30, 40 and 50% (w/w), was incorporated into 10 and 20% (w/v) zein polymer solutions, for the formation of the capsules and fibers, respectively. The polymer solutions were evaluated for zeta potential. The fibers and capsules were electrospinning/electosprayed and evaluated by efficiency of encapsulation (EE%), loading capacity (LC%), morphology, size distribution and infrared spectrum. Zeta potential proportionately increased with increasing concentration of the OEO. The fibers had higher EE values (77-89%) than capsules (16-20%). The higher OEO concentration showed a higher EE for both products (capsules and fibers) and improved fiber morphology. The electrospinning process was more efficient than electrospraying for OEO encapsulation using zein as a polymeric matrix, showing that this technique is suitable for encapsulation of essential oils.

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APA

Kringel, D. H., Biduski, B., Silva, W. M. F. da, Lim, L.-T., Dias, A. R. G., & Zavareze, E. D. R. (2020). Electrospinning vs. electrospraying: a comparative assessment of the two techniques for orange essential oil encapsulation. Brazilian Journal of Food Research, 11(2), 104. https://doi.org/10.3895/rebrapa.v11n2.14001

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