Table 2.

Size, PDI, ZP, total drug content and EE of various formulations.

Formulation code	Size (nm) ± SD	PDI ± SD	ZP (mV) ± SD	Total drug content (mg) ± SD	EE (%) ± SD
F1	167.8 ± 11.87	0.441 ± 0.01	−23.9 ± 1.87	9.52 ± 0.01	89.23 ± 0.10
F2	194.23 ± 2.89	0.310 ± 0.01	−22.7 ± 1.78	9.11 ± 0.07	90.08 ± 0.24
F3	174.73 ± 4.47	0.305 ± 0.09	−28.1 ± 2.16	9.60 ± 0.02	91.56 ± 0.30
F4	207.16 ± 5.79	0.230 ± 0.01	−26.3 ± 2.06	9.23 ± 0.01	92.06 ± 0.09
F5	245.30 ± 4.92	0.241 ± 0.03	−19.9 ± 1.56	9.04 ± 0.00	82.38 ± 0.21
F6	271.76 ± 8.52	0.280 ± 0.08	−18.5 ± 1.45	9.40 ± 0.03	84.26 ± 0.25