Table 2.

Stability study of NLC-1.

Storage condition	Mean particle size ± SD (nm)	PDI	Zeta potential ± SD (mV)	Entrapment efficiency ± SD (%)
Fresh	162.5 ± 12	0.295	−34 ± 0.29	90.1 ± 6.5
2–8 °C
1 month	173 ± 4.21	0.298	−32.4 ± 0.82	89.45 ± 1.4
3 months	191 ± 3.67	0.308	−32.4 ± 1.37	88.18 ± 1.3
25 °C
1 month	198.6 ± 4.61	0.341	−28.7 ± 0.65	86.12 ± 0.73
3 months	273.6 ± 6.8	0.393	−22.1 ± 0.79	83.31 ± 0.82