Table 3.

Results of curve fitting of the in vitro ofloxacin release data in 0.1 N HCl (pH 1.2) from different HBS capsules.

Formulation codes	Correlation coefficient (R2) values
	F 1	F 2	F 3	F 4
Zero order Model	0.9848	0.9854	0.9920	0.9849
First order Model	0.9871	0.9791	0.9746	0.9818
Higuchi Model	0.9962	0.9942	0.9951	0.9949
Korsmeyer-Peppas Model	0.9955	0.9916	0.9921	0.9933
Diffusion exponent (n)	0.5159	0.5148	0.5816	0.5415