Table 3.

In vitro evaluation of lemongrass oil-loaded nanosponges topical hydrogels

Formulation	Particle size, nm*	Citral content, %†	Percentage lemongrass oil released after 6 hours, %†
F1	660±0.059	95.39±2.83	97.51±0.06
F2	832±0.059	94.34±4.74	88.58±0.57
F3	906±0.056	95.85±2.10	89.12±1.84
F4	513±0.019	94.14±3.22	97.12±0.06
F5	525±0.110	95.32±5.69	79.99±0.03
F6	539±0.190	95.66±5.25	36.12±0.03
F7	293±0.044	94.73±4.35	54.14±1.52
F8	353±0.041	96.22±2.99	39.32±1.28
F9	410±0.080	98.40±3.00	26.25±0.39

Notes:

^*Values are expressed as mean ± SD (n=5).

^†Values are expressed as mean ± SD (n=3).

Abbreviation: f, formulation.