Table 2.

Response parameters of formulation: entrapment efficiency, particle size and PDI.

Formulation Code	Entrapment Efficiency	Particle Size (nm)	PDI	Observation
A	65	230	0.400	Non uniform a and unstable b
B	79	225	0.452	Uniform and stable c
C	75	180	0.327	Uniform d and stable
D	68	175	0.252	Uniform and stable
E	63	166	0.174	Uniform and stable
F	74	177	0.268	Uniform and stable
G	77	182	0.372	Uniform and stable
H	82	205	0.127	Uniform and stable
I	79	241	0.407	Non uniform and stable
J	71	551	0.793	Non uniform and unstable

^a Globular appearance to naked eye. ^b Did not remain uniform for more than 90 days at 25 °C. ^c Remained uniform for more than 90 days. ^d Non globular appearance.