Response Variable Sum of squares dfa F value Prob>F
Particle Diameter X1 3.705 1b    
X2 112.254 1    
X1*X2 3.706 1    
PDI X1 0.0136 1    
X2 0.00462 1    
X1*X2 0.04928 1    
Zeta Potential X1 222.457 1    
X2 107.848 1    
X1*X2 177.289 1    
Entrapment efficiency (%) X1 247.747 1    
X2 90.250 1    
X1*X2 1.78 1    
adegrees of freedom.
bSignificance level based on 1 df; p<0.01.
Best formulation selected by the program JMP is X1; 0.5 g and X2; 50 mg.
Desirability; 0.6480
Table 4: Analysis of variance (ANOVA) for a 22 Factorial design experiment for evaluation of variables’ effect on the ACV formulations.