Fragrance encapsulation in Chitosan particles

The aim of this study has been to synthesise chitosan nanoparticles in order to encapsulate terpinolene fragrance. The method employed to prepare chitosan nanoparticles has been emulsion and ionic gelation, which is based on the micelle formation and the electrostatic interactions that take place between chitosan and sodium tripolyphosphate (TPP). DLS technique has been used to analyse the size, the Z potential and PDI values. Moreover, the size has been studied with SEM. Degradation of chitosan nanoparticles has also been characterised by TGA technique. Optimised nanoparticles without terpinolene have a diameter of 299.4 nm and up to 448.3 nm when terpinolene was encapsulated inside the nanoparticles.