Enhanced stability of n-3 PUFAs rich structured lipids via spray-dried microencapsulation with tailored wall materials

Sustainable Food Technology Pub Date : 2025-07-18 DOI:10.1039/D5FB00185D

Mudassar Hussain, Abhishek Bisht, Imad Khan, Muneeba Naseer Chaudhary, Nida Kanwal, Muhammad Umair Khalid, Mst Nushrat Yiasmin, Arif Hussain and Xiaoqiang Zou

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Abstract

This study aimed to develop and evaluate the microencapsulation of n-3 PUFAs-rich medium- and long-chain structured lipids (MLSLs) using gum arabic (GA), maltodextrin (MD), and modified starch (MS) in various ratios. Microcapsules were produced via spray drying and assessed for microencapsulation yield, microencapsulation efficiency, physicochemical characteristics, and oxidative stability. The GA:MS:MD formulation achieved the highest microencapsulation yield (87.77 ± 0.47% w/w) and microencapsulation efficiency (90.11 ± 0.56% w/w), with optimal moisture content (1.98 ± 0.21% w/w), water activity (0.17 ± 0.04), and superior wettability (9.27 ± 0.72 min). It also exhibited enhanced solubility (87.54 ± 0.63% w/w) and a low polydispersity index (PDI) (0.28 ± 0.03). FT-IR confirmed successful encapsulation, SEM revealed intact spherical microcapsules, and peroxide values under accelerated storage (55 °C, 28 days) remained low (0.71–2.39 meq O₂ per kg). These findings highlight GA:MS:MD microcapsules as promising candidates for functional food and pharmaceutical applications.

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通过喷雾干燥微胶囊与量身定制的壁材料，增强了富含n-3 PUFAs的结构脂质的稳定性

本研究旨在以不同比例的阿拉伯胶（GA）、麦芽糊精（MD）和变性淀粉（MS）制备富含n-3 pufas的中长链结构脂质（MLSLs），并对其进行微胶囊化研究。通过喷雾干燥制备微胶囊，并对微胶囊收率、微胶囊效率、理化特性和氧化稳定性进行了评价。GA:MS:MD配方微胶囊化率最高（87.77±0.47% w/w），微胶囊化效率最高（90.11±0.56% w/w），最佳水分含量为1.98±0.21% w/w，水活度为0.17±0.04，润湿性为9.27±0.72 min。溶解度提高（87.54±0.63% w/w），多分散性指数（PDI）降低（0.28±0.03）。FT-IR证实包封成功，SEM显示完整的球形微胶囊，加速储存（55°C， 28天）下的过氧化值仍然很低（0.71-2.39 meq O2 / kg）。这些发现突出了GA:MS:MD微胶囊在功能食品和制药领域的应用前景。

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来源期刊

Sustainable Food Technology

CiteScore

1.00

自引率

0.00%

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