Abstract
The long-term objective of this research is to investigate the potential of edible and safe biopolymer in enhanced oral delivery of drugs and/or vaccines. Here, we investigated the potential application of nanoparticles based on a protein extracted from Canola seeds, i.e., cruciferin, for oral delivery of a model small molecule, i.e., coumarin, through cells representing gastrointestinal epithelium, Caco-2 and Caco-2/HT29 cell monolayer. This study was completed for intact cruciferin nanoparticles and cruciferin coated chitosan nanoparticles, before and after digestion with gastric or intestine simulating fluids. This comparison was useful to understand the fate the cruciferin based particles in digestive mucosal tissues and their potential mucoadhesive and/or mucus-penetrating property.
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