Table 5.

Stability Study for Optimized Bilosomal Formula

Parameter	Fresh	After 3 Month Storage at (4–8ºC)	Probability (p)
%EE	69.17±2.50	66.30±2.96	0.405
PS	161.20±3.68	166.70±1.13	0.181
ZP	−33.95±0.49	34.10±1.13	0.879
% drug released (2 h)	35.80±2.16	37.24±2.11	0.571
% drug released (10 h)	65.96±0.83	63.51±3.30	0.416

Abbreviations: %EE, percent entrapment efficiency; PS, particle size; ZP, zeta potential.