Table 3: Physical characteristics of tablets.

ParameterOkraHPMCNa alginate

Thickness (mm)5 ± 05.3 ± 05 ± 0
Diameter (mm)9.65 ± 09.65 ± 09.65 ± 0
Weight variation (mg)495.73 ± 1.77491.2 ± 0.51497.53 ± 2.85
Hardness (N)283.33 ± 2.4985.33 ± 2.0528.33 ± 3.09
Friability (%)0.010.579.47