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        | Code | Drug    amount (mg) | EC/HPMC (w/w)
 | Temperature (oC) | Stirring    rate (rpm) | Particle size (μm) | Yield (%) | DEE (%) | Buoyancy (%) | 12 h Cum. release (%) |  
        | F1 | 300 | 4:1 | 25 | 500 | 944 ± 7.0 | 88.2 ± 3.0 | 98.3 ± 0.9 | 54.1 ± 4.2 | 99.8 ± 5.2 |  
        | F2 | 700 | 4:1 | 25 | 500 | 1017 ± 16.8 | 89.3 ± 2.1 | 96.5 ± 0.5 | 64.0 ± 3.5 | 62.9 ± 0.4 |  
        | F3 | 1000 | 4:1 | 25 | 500 | 1092 ± 14.0 | 86.2 ± 3.3 | 93.9 ± 0.8 | 69.1 ± 1.9 | 56.2 ± 1.2 |  
        | F4 | 300 | 1:1 | 25 | 500 | 718 ± 2.6 | 34.0 ± 2.9 | 86.2 ± 2.4 | 8.1 ± 1.4 | 99.9 ± 3.9 |  
        | F5 | 300 | 4:1 | 25 | 500 | 944 ± 7.0 | 88.2 ± 3.0 | 98.3 ± 0.9 | 54.1 ± 4.2 | 99.8 ± 5.2 |  
        | F6 | 300 | 7:1 | 25 | 500 | 1070 ± 6.7 | 89.4 ± 3.6 | 96.0 ± 1.3 | 61.0 ± 2.3 | 47.9 ± 2.2 |  
        | F7 | 300 | 9:1 | 25 | 500 | 1090 ± 11.5 | 91.1 ± 2.2 | 98.4 ± 1.0 | 77.8 ± 1.9 | 41.3 ± 0.5 |  
        | F8 | 300 | 4:1 | 20 | 500 | 924 ± 6.1 | 95.4 ± 2.9 | 98.4 ± 1.0 | 50.0 ± 3.8 | 100.9± 0.8 |  
        | F9 | 300 | 4:1 | 25 | 500 | 944 ± 7.0 | 88.2 ± 3.0 | 98.3 ± 0.9 | 54.1 ± 4.2 | 99.8 ± 5.2 |  
        | F10 | 300 | 4:1 | 30 | 500 | 976 ± 8.1 | 63.1 ± 3.8 | 86.2 ± 0.6 | 46.1 ± 1.4 | 95.6 ± 2.9 |  
        | F11 | 300 | 4:1 | 25 | 500 | 944 ± 7.0 | 88.2 ± 3.0 | 98.3 ± 0.9 | 54.1 ± 4.2 | 99.8 ± 5.2 |  
        | F12 | 300 | 4:1 | 25 | 900 | 791 ± 15.5 | 93.3 ± 1.3 | 97.2 ± 1.1 | 52.2 ± 2.5 | 100.9 ± 1.9 |  
        | F13 | 300 | 4:1 | 25 | 1200 | 721 ± 9.5 | 91.5 ± 4.2 | 93.2 ± 1.9 | 49.3 ± 1.5 | 99.8 ± 3.4 |  |