Table 1. Chlorpheniramine Maleate Microparticle Formulations Prepared by the Ionotropic Gelation Method With Different Sodium Alginate:Chitosan Ratios, Without Chitosan and Ion (Ca²⁺) ^a.

Formulations	Na-Alg:CS Ratio	Cross-linked Insoluble Complexes
		Aqueous Phase			Ionotropic Gelation Agents
		CM, g	Water, mL	Na-Alg, g	Chitosan, g	Acetic Solution (%0.5 v/v), mL	Calcium Chloride, g
F1	1:0.27	0.25	100	1.2	0.325	100	1.3
F2	1:0.54	0.25	100	1.2	0.650	100	1.3
F3	1:1.1	0.25	100	1.2	1.3	100	1.3
F4		0.25	100	1.2		100	0.65
F5		0.25	100	1.2		100	1.3
F6		0.25	100	1.2		100	2.6

^a Abbreviations: Na-Alg, sodium alginate; CS: chitosan; CM, chlorpheniramine.