Table 3.

Kinetic constants (k), release exponents (n) and determination coefficients (r2) following linear regression of dissolution data of curcumin vaginal tablets

Formulation	Zero order			Matrix			Korsmeyer-Peppas
	K(%hr-1)	r2	n	K(hr-1)	r2	n	K(hr-1)	r2	n
F1	29.09	0.984	0.57	27.76	0.9980	0.56	26.93	0.976	0.59
F2	26.93	0.9880	0.59	29.09	0.996	0.57	29.09	0.9780	0.57
F3	28.09	0.976	0.52	28.09	0.996	0.52	25.00	0.977	0.59
F4	27.76	0.977	0.56	25.00	0.984	0.59	32.24	0.981	0.60
F5	29.09	0.971	0.57	32.24	0.9980	0.60	28.09	0.976	0.52
F6	25.00	0.971	0.59	32.24	0.997	0.60	29.09	0.9780	0.57
F7	26.93	0.976	0.59	26.93	0.996	0.59	27.76	0.974	0.56
F8	32.24	0.977	0.60	25.00	0.991	0.59	25.00	0.977	0.59
F9	27.76	0.9780	0.56	29.09	0.984	0.57	27.76	0.974	0.56
F10	28.09	0.976	0.52	28.09	0.996	0.52	26.93	0.976	0.59