AI Article Synopsis

  • * All liposomes had small size distributions and high encapsulation efficiency, with the SA/CH-COSs-Lip showing better stability than the other two.
  • * Testing with a Caco-2 cell monolayer revealed that these liposomes, particularly the SA/CH-COSs-Lip, have promising potential for enhancing the delivery of COSs in functional foods and medicines.

Article Abstract

Chito-oligosaccharides (COSs) were encapsulated by the film-ultrasonic method into three nano-liposomes, which were uncoated liposomes (COSs-Lip), chitosan-coated liposomes (CH-COSs-Lip), and sodium alginate (SA)/chitosan (CH)-coated liposomes (SA/CH-COSs-Lip). The physicochemical and structural properties, as well as the stability and digestive characteristics, of all three nano-liposomes were assessed in the current study. Thereafter, the characteristics of intestinal absorption and transport of nano-liposomes were investigated by the Caco-2 cell monolayer. All nano-liposomes showed a smaller-sized distribution with a higher encapsulation efficiency. The ζ-potential, Z-average diameter (Dz), and polydispersity index (PDI) demonstrated that the stability of the SA/CH-COSs-Lip had much better stability than COSs-Lip and CH-COSs-Lip. In addition, the transport of the nano-liposomes via the Caco-2 cell monolayer indicated a higher transmembrane transport capacity. In summary, the chitosan and sodium alginate could serve as potential delivery systems for COSs to fortify functional foods and medicines.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8306128PMC
http://dx.doi.org/10.3390/molecules26144144DOI Listing

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