Research Article
Formulation and Evaluation of Galantamine Gel as Drug Reservoir in Transdermal Patch Delivery System
Table 4
Gels characteristics.
| Formulation code | F1 | F2 | F3 |
| Appearance | | | |
| Transparency | Translucent | Translucent | Translucent |
| Homogeneity | Highly homogeneous (no crystals observed) | Highly homogeneous (no crystals observed) | Highly homogeneous (no crystals observed) |
| Stability | No phase separation | No phase separation | No phase separation |
| Texture | Smooth | Smooth | Smooth |
| pH | 7.80 ± 0.01 | 7.06 ± 0.01 | 7.45 ± 0.02 |
| Drug content (%) | 93.79 ± 1.92 | 96.67 ± 1.60 | 95.72 ± 1.81 |
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