Influence of Hydrophilic Polymers on the Factor in Weibull Equation Applied to the Release Kinetics of a Biologically Active Complex of Aesculus hippocastanum

Figure 3

Presentation of release kinetics of EH from various hydrophilic gels according to specified release models. (a) Zero-order kinetics, (b) first-order kinetics, (c) second-order kinetics, and (d) Weibull model. ○, MC; , PA1; ●, PC-11; ▲, reference gel, PA2; ; , ln [−ln(1 − (released percent/100%))].

(a)

(b)

(c)

(d)