Table 1. Composition of the Different Formulations.

Formulation		Composition
		Chitosan Ratio	Drug/Polymer Ratio, w/w
F1	PVA	0	0
F2	PVA + 20% Drug	0	20
F3	PVA + 40% Drug	0	40
F4	(90:10) PVA/CS	10	0
F5	(90:10) + 20% Drug PVA/CS	10	20
F6	(90:10) + 40% Drug PVA/CS	10	40
F7	(70:30) PVA/CS	30	0
F8	(70:30) + 20% Drug PVA/CS	30	20
F9	(70:30) + 40% Drug PVA/CS	30	40