Ethyl Cellulose Microparticles Containing Metformin HCl by Emulsification-Solvent Evaporation Technique: Effect of Formulation Variables

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td align="left">Formulation codes</td><td align="center">Drug : Polymer</td><td align="center">Stirring speed (rpm)</td><td align="center">Surfactant (Span 80) concentration (%, v/v)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td align="left">F1</td><td align="center">1 : 2</td><td align="center">800</td><td align="center">4</td></tr><tr><td align="left">F2</td><td align="center">1 : 4</td><td align="center">800</td><td align="center">4</td></tr><tr><td align="left">F3</td><td align="center">1 : 6</td><td align="center">800</td><td align="center">4</td></tr><tr><td align="left">F4</td><td align="center">1 : 6</td><td align="center">400</td><td align="center">4</td></tr><tr><td align="left">F5</td><td align="center">1 : 6</td><td align="center">600</td><td align="center">4</td></tr><tr><td align="left">F6</td><td align="center">1 : 6</td><td align="center">1000</td><td align="center">4</td></tr><tr><td align="left">F7</td><td align="center">1 : 6</td><td align="center">400</td><td align="center">2</td></tr><tr><td align="left">F8</td><td align="center">1 : 6</td><td align="center">400</td><td align="center">6</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Formula of ethyl cellulose microparticles containing metformin HCl prepared by emulsification-solvent evaporation technique using various formulation variable settings.

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Table 1: Ethyl Cellulose Microparticles Containing Metformin HCl by Emulsification-Solvent Evaporation Technique: Effect of Formulation Variables 