喷雾干燥
冷冻干燥
电流体力学
材料科学
色谱法
化学
物理化学
电极
作者
Konstantina Theodora Laina,Christina Drosou,Magdalini Krokida
标识
DOI:10.1016/j.ifset.2024.103720
摘要
This study evaluates the encapsulation of an essential oils blend (EOB) using electrohydrodynamic processing (EHDP), spray drying, and freeze-drying techniques. EOB, comprising oregano, rosemary, hypericum, and chamomile oils, was encapsulated in a whey protein isolate-pullulan (WPI-PL) matrix. Spray drying achieved the highest encapsulation efficiency (EE > 90%) and optimal release profiles, while electrospun structures showed gradual release and better preservation. Freeze-drying exhibited the highest encapsulation yield (EY = 83.16%) but lower efficiency (~66%). The electrospun nanostructures (EHDP) had a diameter of 543.00 ± 15.86 nm, whereas spray-dried microparticles measured 4.91 ± 3.356 μm. All encapsulated structures followed a Fickian diffusion mechanism (n ≤ 0.45). This research highlights the potential of natural bioactive compounds in food applications, contributing to sustainable, synthetic-free nutrition by enhancing stability and bioactivity of essential oils through encapsulation, reducing reliance on synthetic additives, and promoting a more natural approach to modern nutrition.
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