Release Kinetic Studies of Stevia rebaudiana Extract Capsules from Sodium Alginate and Inulin by Ionotropic Gelation

Table 2

Micromeretic properties of beads as response variables of encapsulation treatments.

Treatment	Diameter (mm)	Sphericity factor (dimensionless)	Bulk density (mg/cm^3)	Tapped density (mg/cm^3)	Compressibility index (%)	Hausner´s ratio (dimensionless)
1	2.07 ± 0.172	0.0585 ± 0.0325	726.46 ± 26.554	958.33 ± 36.084	24.18 ± 1.949	1.32 ± 0.033
2	2.52 ± 0.155	0.0408 ± 0.032	667.55 ± 29.698	849.67 ± 28.301	21.44 ± 1.759	1.27 ± 0.028
3	2.43 ± 0.206	0.0407 ± 0.030	669.43 ± 53.929	884.40 ± 0.0527	24.34 ± 2.966	1.32 ± 0.052
4	2.69 ± 0.169	0.0259 ± 0.019	697.93 ± 16.235	835.05 ± 46.463	16.29 ± 4.056	1.20 ± 0.056
5	2.61 ± 0.167	0.0424 ± 0.033	692.88 ± 24.169	891.77 ± 29.992	22.23 ± 4.090	1.29 ± 0.068
6	2.63 ± 0.142	0.0216 ± 0.0155	620.93 ± 15.041	759.24 ± 57.226	17.92 ± 6.171	1.22 ± 0.093
7	2.20 ± 0.181	0.0573 ± 0.036	714.56 ± 17.018	938.11 ± 29.330	23.82 ± 0.567	1.31 ± 0.009
8	2.46 ± 0.094	0.0248 ± 0.017	743.90 ± 10.561	857.61 ± 24.513	13.23 ± 1.538	1.15 ± 0.020
CT	2.46 ± 0.162	0.0282 ± 0.002	635.55 ± 56.367	832.21 ± 21.259	21.52 ± 5.194	1.28 ± 0.080

CT = central treatment.