4.7 Article

Tuning of shell thickness of solid lipid particles impacts the chemical stability of encapsulated ω-3 fish oil

期刊

JOURNAL OF COLLOID AND INTERFACE SCIENCE
卷 490, 期 -, 页码 207-216

出版社

ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2016.11.063

关键词

Solid lipid nanoparticles; Nanoemulsions; Crystallization; Polymorphic transition; Lipid oxidation; Shell thickness; omega-3 fatty acids; Fish oil; Tristearin; Lecithin

资金

  1. Deutscher Akademischer Austausch Dienst (DAAD) in Bonn, Germany,
  2. Rannsoknarnamsjodur located in Reykjavik, Iceland
  3. Thomas H. Smouse Memorial Fellowship in Urbana, IL, USA

向作者/读者索取更多资源

Hypothesis: This study demonstrates that tuning the shell thickness of lipid particles can modulate their oxidative stability. We hypothesized that a thick crystallized shell around the incorporated fish oil would improve the oxidative stability due to the reduced diffusion of prooxidants and oxygen. Experiments: We prepared solid lipid nanoparticles (5% w/w lipid phase, 1.5% w/w surfactant, pH 7) by using different ratios of tristearin as carrier lipid and omega-3 fish oil as incorporated liquid lipid stabilized by high- or low-melting lecithin. The physical, polymorphic and oxidative stability of the lipid particles was assessed. Findings: The high-melting lecithin was the key in inducing the formation of a solidified tristearin shell around the lipid particles by interfacial heterogeneous nucleation. Lipid particles containing a higher ratio of tristearin showed a better oxidative stability. The results revealed that a crystallized tristearin layer above 10 nm was required to inhibit oxidation of the incorporated fish oil. This cut-off was shown for lipid particles containing 50-60% fish oil. This research gives important insights into understanding the relation between the thickness of the crystallized shell around the lipid particles and their chemical stability. (C) 2016 Elsevier Inc. All rights reserved.

作者

我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。

评论

主要评分

4.7
评分不足

次要评分

新颖性
-
重要性
-
科学严谨性
-
评价这篇论文

推荐

暂无数据
暂无数据