Table 3.

Zeta potential ,particle size and polydispersity index of SLN Formulations

Formulation	Size average (d.nm):	Polydispersity index	Zeta potential
F1	168.7 ± 1.8 nm	0.206	−28.9 ± 2.0 mV
F2	187.5 ± 2.8 nm	0.219	−27.60 ± 1.8 mV
F3	154.0 ± 1.5 nm	0.309	−32.12 ± 1.4 mV