Table 2.

Particle size, z potential and PDI of nanoparticles prepared by different methods (mean ± S.D.)

Method	Particle size (nm)	Z potential Z (mV)	PDI
Emulsion–Evaporation	40.2 ± 4.05 a	23.6 ± 3.3 b	0.332 ± 0.062 b
Nanoprecipitation	213.8 ± 1.37 b	31.8 ± 0.7 a	0.494 ± 0.004 a

Means with different letters within a column are significantly different (P < 0.05)