Table 1.

Release parameters (K) of PenG sustained release and adjusted coefficient of determination (R ²) values in various kinetic models tested.

Zero order		First order		Higuchi				Korsmeyer Peppas
Cumulative release % versus time (day)		log % drug remaining versus time (day)		Cumulative % drug release versus square root of time (day)		Baker-Lonsdale		log % cumulative versus log time (day)
R 2	K	R 2	K	R 2	K	R 2	K	R 2	n value	K
0.99	3.55 ± 0.07	0.83	0.12 ± 0.012	0.97	12.60 ± 0.39	0.92	0	0.96	0.82	5.63 ± 0.71