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Influence of different anionic polysaccharide coating on the properties and delivery performance of nanoliposomes for
Lixia Cong1, Jin Wang1, Hui Lu1
1Department of Food Science and Technology, College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China.
Abstract:
Nanoliposome is an effective delivery system for polyphenols, whereas it always suffers from low electrostatic stability and oxidation of lipid membranes. Here, different charged anionic polysaccharides including carrageenan (-62.67 ± 1.85 mV), trehalose (-20.73 ± 1.42 mV), and pectin (-4.47 ± 0.38 mV) were used as coating material to improve the stability of nanoliposomes. Results showed that carrageenan coating greatly inhibited aggregation and fusion of nanoliposome. The coating of the higher charged polysaccharides produced the more hydrogen bonds and made the inner chains of lipid molecules more compact, thus improving the rigidity of the membrane and thermal stability. In addition, the polysaccharide coating effectively reduced the lateral diffusion within the membrane and the propagation rate of oxidation reaction. The aim of this study is to investigate the effect of anionic polysaccharides with different charges on coated nanoliposomes, provide reference for the delivery of quercetin.
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