Research Article

Evaluation of Chitosan Based Polymeric Matrices for Sustained Stomach Specific Delivery of Propranolol Hydrochloride

Table 2

In vitro floating characteristics of HBS formulations.

Formulation codeFloating lag time (Seconds)Duration of floating (hrs)

J1NilUp to 6 hrs
J2NilUp to 6 hrs
J3NilUp to 6 hrs
J4NilUp to 6 hrs
J5NilUp to 6 hrs
J6NilUp to 6 hrs
J7NilSank after 5 hrs
J8NilSank after 4 hrs
J9NilSank after 4 hrs