TABLE 2.

Drug release models for the in vitro release study.

Formulation	Drug release models (R2)
	Zero order	First order	Higuchi	Hixon–Crowell	Korsmeyer–Peppas
CA-NLC	0.6113	0.4573	0.8117	0.7337	0.8677
CA-NLC-gel	0.768	0.386	0.925	0.845	0.936
SA-NLC	0.6544	0.4981	0.8478	0.7619	0.949
SA-NLC-gel	0.6501	0.4217	0.8432	0.7186	0.8939
GMS-NLC	0.6875	0.5313	0.8736	0.784	0.962
GMS-NLC-gel	0.7031	0.4658	0.8829	0.7629	0.9109
Mkt-gel	0.9073	0.5586	0.9887	0.936	0.9608