Table 1: Composition of the developed alginate-carrageenan hydrogel microparticles encapsulating curcumin-loaded chitosan nanoparticles and its influence on the particle size.

Formulation codeDryingCurcumin-loaded chitosan particles (mL)Alginate (w%)Carrageenan (w%)CaCl2 (%)KCl (%)Average geometric size ( m) ± SD

F1FD20100033
AD20100033

F2FD20703033
AD20703033

F3FD20505033
AD20505033

FD: freeze-dried, AD: air-dried.