Fig. 2

Mean diameter (nm), polydispersity index and zeta potential (mV) of Cannonau pomace extract loaded nutriosomes stored at 25 ± 1 °C for 4 months. Mean values (bars) ± standard deviations (error bars) are reported (n ≥ 3). Symbol * indicates values statistically different from that of the same formulation at different times, (p < 0.05).