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Stages of microencapsulation of l-Carnitine base using emulsion solvent evaporation method.
| Stage | No. of factors | No. of levels | Factor(s) studied |
|---|---|---|---|
| 1st (OFAT) | 1 | 3 | Anti-coalescent type |
| 2nd (OFAT) | 1 | 3 | Mixing speed |
| 3rd (OFAT) | 1 | 5 | Emulsifier conc. |
| 4th (Factorial) | 2 | 2 4 |
Polymer viscosity grade drug/polymer ratio |
