Formula code PCL (g) Eudragit RS or EC (g) Encapsulation   efficiency (%) ± SD Production yield (%) ± SD Mean diameter (mm) ±SD Polydi-spersity Viscosities of dispersion medium (mPa s) F1 1.0 0.00 90.72 ± 1.78 92.34 ± 3.21 225 ± 1.82 0.436 14.0 F2 0.2 0.8 92.87 ± 1.09 90.38 ± 4.10 318 ± 1.72 0.094 17.6 F3 0.5 0.5 89.32 ± 2.72 88.92 ± 2.81  312 ± 2.80 0.340 15.8 F4 0.7 0.3 92.36 ± 3.84 94.31± 4.82  305 ± 1.35 0.610 15.2 F5 0.8 0.2 94.59 ± 2.63 89.43± 5.71  280 ± 2.09 0.316 14.7  F6 0.2 0.8 91.67 ± 3.98 88.87 ± 5.44  375 ± 1.93 0.071 20.0 F7 0.5 0.5 93.75 ± 4.65 89.32 ± 3.98  355 ± 3.85 0.078 18.3 F8 0.7 0.3 90.27 ± 4.44 91.38 ± 2.95  330 ± 2.84 0.056 16.3 F9 0.8 0.2 94.28 ± 1.62 96.32 ± 3.76  270 ± 1.65 0.115 15.4 F2-F5 microparticles composed of PCL/RS blend F6-F9 microparticles composed of PCL/EC blend F1-F9 GLZ content is 33.3% (1:2, GLZ: polymer)

Table 1: Quantitative analysis of the GLZ-loaded Polycaprolactone microparticles (n=3).