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

Table 4

Regression analysis values (𝑟 value) for in vitro drug release data following different kinetic models.

Kinetic model		Okra	HPMC	Na alginate
Zero order	𝑟 value	0.9858	0.9433	0.9336
First order		0.9879	0.9911	0.9698
Higuchi model		0.9989	0.9813	0.9826
Hixson-Crowell model		0.9019	0.8998	0.9202
Korsmeyer-Peppas model	𝑟 value	0.9990	0.9896	0.9994
	𝑛 value	0.6385; Non-Fickian; transport		0.1059; Supercase; 2 transport