The Use of Hibiscus esculentus (Okra) Gum in Sustaining the Release of Propranolol Hydrochloride in a Solid Oral Dosage Form

Table 3

Physical characteristics of tablets.

Parameter	Okra	HPMC	Na alginate
Thickness (mm)	5 ± 0	5.3 ± 0	5 ± 0
Diameter (mm)	9.65 ± 0	9.65 ± 0	9.65 ± 0
Weight variation (mg)	495.73 ± 1.77	491.2 ± 0.51	497.53 ± 2.85
Hardness (N)	283.33 ± 2.49	85.33 ± 2.05	28.33 ± 3.09
Friability (%)	0.01	0.57	9.47