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Interfacial engineering strategy to improve the stabilizing effect of curcumin-loaded nanostructured lipid carriers

文献类型： 外文期刊

作者： Li, Chunyang 3 ; Liu, Dian 1 ; Huang, Meigui 2 ; Huang, Wuyang 3 ; Li, Ying 3 ; Feng, Jin 3 ;

作者机构： 1.Jiangsu Univ, Sch Food & Biol Engn, 301 Xuefu Rd, Zhenjiang 212013, Jiangsu, Peoples R China

2.Nanjing Forestry Univ, Coll Light Ind & Food Engn, Dept Food Sci & Engn, 159 Longpan Rd, Nanjing 210037, Peoples R China

3.Jiangsu Acad Agr Sci, Inst Agroprod Proc, 50 Zhongling St, Nanjing 210014, Peoples R China

关键词： Nanostructured lipid carriers; Curcumin; Interfacial engineering strategy; Polymorphic transition; Chemical stability; Bioavailability

期刊名称：FOOD HYDROCOLLOIDS （ 影响因子：11.504； 五年影响因子：11.357 ）

ISSN： 0268-005X

年卷期： 2022 年 127 卷

页码：

收录情况： SCI

摘要： In this work, the interfacial structure of nanostructured lipid carriers (NLCs) stabilized by whey protein isolate (single layer NLCs, S-NLCs) was modified with polysaccharide through two approaches: 1) electrostatic deposition of a polysaccharide layer onto the surface of S-NLCs affording double layer NLCs (D-NLCs); 2) heating the protein-polysaccharide complexes to promote biopolymer assembly, which were utilized as emulsifiers for the composite layer NLCs (C-NLCs). S-NLCs presented a spherical shape, hydrodynamic diameter of about 300 nm and curcumin (Cur) encapsulation efficiency below 30%. However, these values changed following interfacial decoration of NLCs. The interfacial viscoelastic studies suggested that the type 2 strategy enabled a more compact and elastic stabilizing layer than the type 1 method, as the interfacial biopolymers of the former were held together by multiple interactions. Therefore, C-NLCs showed higher capacity to inhibit polymorphic transition or degradation of Cur than other NLCs. Both approaches could slow down the lipolysis rate as well as decrease the lipolysis degree of NLCs during simulated digestion, while increase the bioavailability of the entrapped Cur. Besides, the highest cellular antioxidant activity was observed for Cur in C-NLCs, followed by DNLCs and S-NLCs, in accordance to the stabilizing effects of these NLCs for the loaded agent.

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