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<p>The co-loading of fish oil (FO) and shrimp lipid extract (SLE) was investigated within single or double coated nanoliposomes (NLP). The NLP were coated by chitosan (CS), whey protein (WPC) and gum Arabic (AG) to examine the effects of different biopolymers on the physical and chemical stability of encapsulated FO, SLE and carotenoids during storage. The results showed that the particle size of the coated LP with WPC and CS was smaller than that of the bilayer coated LP with WPC-AG and CS-AG. Compared to the uncoated NLP, the WPC-AG coating showed better ζ-potential and higher antioxidant capacity after 20 days. The larger particle size for CS-AG was observed compared to the uncoated liposomes.The WPC and WPC-AG coatings represented the highest encapsulation efficiency. With increasing storage time, the WPC-AG coating showed the highest carotenoid stability compared to uncoated NLP. The encapsulated samples showed less color degradation and increased inhibition and reduction capacity against DPPH free radicals. In particular, the NLP coated with WPC showed better performance in preserving carotenoids. These results illustrate the effectiveness of co-loaded FO and SLE liposome in combination with WPC-AG for shielding carotenoid for planning the valorization of bio residue as a dietary supplement.</p> Graphical abstract <p></p>

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Liposomal Encapsulation of Fish Oil with Whiteleg Shrimp Waste Lipid Extract: Enhancing Properties and Stability

  • 期刊论文

  • 发表日期：

    2025年9月25日

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  • Parastoo Pourashouri,
  • Masumeh Barzegar,
  • Bahareh Shabanpour,
  • Seyed Mahdi Ojagh,
  • Azadeh Salimi,
  • David S. Francis

摘要

The co-loading of fish oil (FO) and shrimp lipid extract (SLE) was investigated within single or double coated nanoliposomes (NLP). The NLP were coated by chitosan (CS), whey protein (WPC) and gum Arabic (AG) to examine the effects of different biopolymers on the physical and chemical stability of encapsulated FO, SLE and carotenoids during storage. The results showed that the particle size of the coated LP with WPC and CS was smaller than that of the bilayer coated LP with WPC-AG and CS-AG. Compared to the uncoated NLP, the WPC-AG coating showed better ζ-potential and higher antioxidant capacity after 20 days. The larger particle size for CS-AG was observed compared to the uncoated liposomes.The WPC and WPC-AG coatings represented the highest encapsulation efficiency. With increasing storage time, the WPC-AG coating showed the highest carotenoid stability compared to uncoated NLP. The encapsulated samples showed less color degradation and increased inhibition and reduction capacity against DPPH free radicals. In particular, the NLP coated with WPC showed better performance in preserving carotenoids. These results illustrate the effectiveness of co-loaded FO and SLE liposome in combination with WPC-AG for shielding carotenoid for planning the valorization of bio residue as a dietary supplement.

Graphical abstract