Table 5.

Results of the dependent variables for the 2² factorial design

Exp	pH	PS (nm)	ζ (mV)	AR (%)	EE (%)
33	5.86	199,1	−20.51	101.3	90.5
34	5.44	168.0	−17.35	102.7	101.0
35	5.50	342.0	−22.19	82.7	94.2
36	5.69	640.0	−64.23	81.2	90.8

Abbreviations: AR, absolute recovery; EE, entrapment efficiency; exp, experiment; PS, particle size; ζ, zeta potential.