“…The choice of technique is based on the desired particle size, application of the final product, physical and chemical properties of the filling and wall material, release mechanism, production scale and cost [114]. Encapsulation techniques involving chemical methods are interfacial polymerization, molecular induction and in-situ polymerization; involving physical methods are extrusion, spray drying, spray chilling, freeze-drying, co-crystallization and fluidized bed; involving physicochemical methods are simple coacervation, complex coacervation, liposomes, and ionic gelation (Jackson & Lee, 1991;Barreto et al, 2015).…”