Influence of Sodium Alginate Concentration on Microcapsules Properties Foreseeing the Protection and Controlled Release of Bioactive Substances

Table 3

Release kinetics parameters in distilled water at pH 6.8.

Microcapsules code (%)	Mathematical models
	Zero-order		First-order		Korsmeyer–Peppas
	Gallic acid
	R^2	k0	R^2	k1	R^2	kp	n
3	0.86855	0.09784	0.81579	0.04676	0.96247	0.4318	0.30188
4	0.95392	0.10101	0.92579	0.04204	0.99803	0.4851	0.25945
5	0.92556	0.09082	0.88123	0.05574	0.98956	0.3739	0.35106
6	0.91368	0.10031	0.86145	0.05143	0.98265	0.4098	0.32647
Microcapsules code (%)	Crocin
	R^2	k0	R^2	k1	R^2	kp	n
3	0.94678	0.00483	0.89886	0.04146	0.99847	0.2550	0.32176
4	0.95284	0.00415	0.90463	0.03984	0.99883	0.2507	0.30818
5	0.95463	0.00473	0.04497	0.04497	0.99896	0.2282	0.34832
6	0.96084	0.00441	0.90734	0.04995	0.9992	0.2027	0.38595