Table 7 Ex vivo permeation studies of OZ (gamma oryzanol) gel and OZ niosomal gel
|  | Drug content (%) | % Drug diffused after 60 min | % Drug diffused after 120 min | % Drug in donor compartment | % Drug retained after 120 min |
|---|---|---|---|---|---|
OZ gel | 96.5 ± 1.5 | 5.8 ± 0.5 | 7.7 ± 1.2 | 75.2 ± 4.3 | 13.60 ± 2.1 |
OZ niosomal gel | 99.7 ± 2.1 | 17.3 ± 0.9 | 25 .1 ± 2.7 | 3.2 ± 0.1 | 71.17 ± 3.6 |