Curcumin-loaded nanoemulsions stability as affected by the nature and concentration of surfactant

Nanoemulsions containing 0.5% w/w corn oil enriched with 0.4% w/w curcumin, sodium-alginate (1.0% w/w) and 0.5, 1.0 or 2.0% w/w of surfactant, were assessed, including particle size (nm), ζ-potential (mV) and turbidity over time. Furthermore, nanoemulsions encapsulation efficiency (EE), antioxidant capacity (AC) and release kinetics were studied. Nanoemulsions showed particle sizes ≤400±3 nm and effectively reduced droplets interfacial tension...