Polymeric Formulation Encapsulation Efficiency (%) Loading Capacity (%)
100% PLA 81.8 ± 1.2 1.49 ± 0.022
100% PLGA 82.6 ± 0.7 1.50 ± 0.013
100% PCL 81.8 ± 0.6 1.49 ± 0.011
100% Eudragit® RS100 80.5 ± 0.8 1.47 ± 0.015
25% PLGA-75% PLA 78.7 ± 2.1 1.43 ± 0.038
30% PLGA-70% PLA 81.6 ± 1.4 1.49 ± 0.025
35% PLGA-65% PLA 81.5 ± 0.9 1.48 ± 0.016
40% PLGA-60% PLA 80.6 ± 0.9 1.47 ± 0.016
45% PLGA-55% PLA 80.1 ± 1.7 1.46 ± 0.031
50% PLGA-50% PLA 80.6 ± 1.0 1.47 ± 0.018
55% PLGA-45% PLA 80.6 ± 0.8 1.47 ± 0.015
60% PLGA-40% PLA 81.7 ± 2.2 1.49 ± 0.040
65% PLGA-35% PLA 80.8 ± 0.4 1.47 ± 0.007
70% PLGA-30% PLA 80.8 ± 0.5 1.47 ± 0.009
75% PLGA-25% PLA 81.7 ± 1.5 1.49 ± 0.027
25% PCL-75% Eudragit® RS100 80.2 ± 2.1 1.46 ± 0.038
50% PCL-50% Eudragit® RS100 79.6 ± 0.6 1.45 ± 0.011
75% PCL-25% Eudragit® RS100 81.4 ± 0.7 1.48 ± 0.013
80% PLGA/PLA (45/55)-20% PCL 81.9 ± 0.5 1.49 ± 0.009
60% PLGA/PLA (45/55)-40% PCL 82.4 ± 1.3 1.50 ± 0.024
40% PLGA/PLA (45/55)-60% PCL 81.6 ± 1.7 1.49 ± 0.031
20% PLGA/PLA (45/55)-80% PCL 79.3 ± 1.4 1.44 ± 0.025
80% PLGA/PLA (45/55)-20% Eudragit® RS100 82.4 ± 1.4 1.50 ± 0.025
60% PLGA/PLA (45/55)-40% Eudragit® RS100 81.1 ± 0.8 1.48 ± 0.015
40% PLGA/PLA (45/55)-60% Eudragit® RS100 81.6 ± 1.8 1.49 ± 0.033
20% PLGA/PLA (45/55)-80% Eudragit® RS100 81.8 ± 0.9 1.49 ± 0.016
33% PLGA-33% PLA-33% Eudragit® RS100 77.2 ± 2.5 1.41 ± 0.046
33% PLGA-33% PLA-33% PCL 79.4 ± 1.9 1.45 ± 0.035
33% PLGA-33% Eudragit® RS100-33% PCL 82.1 ± 0.3 1.49 ± 0.005
33% PLA-33% Eudragit® RS100-33% PCL 81.5 ± 0.7 1.48 ± 0.013
25% PLGA-25% PLA-25% Eudragit® RS100-25% PCL 82.0 ± 1.0 1.49 ± 0.018
Table 3: Encapsulation efficiencies and loading capacity for polymeric formulations.