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Authors
Affiliations
1 #52, 5-A Cross, 34th Main, TMCS
Layout, J.P. Nagar 1st Phase,
BANGALORE – 560 078, IN
Source
Research Journal of Pharmaceutical Dosage Form and Technology, Vol 1, No 3 (2009), Pagination: 236-239
Abstract
Hydroxyethyl guar (HEG), which is a guar gum derivative, was investigated as a sustaining material to formulate sustained release tablets of the model drug, Propranolol hydrochloride. Tablets, based on HEG polymer were made keeping the hardness constant. In vitro release rate study was carried out for all the formulations and curve-fitting analysis was done on the selected formulation.
A swelling index study was also carried out. The selected tablets were kept for accelerated stability study. The study indicated that the guar derivative, HEG, could be utilized for formulation of sustained release tablets of Propranolol hydrochloride. All the selected formulations were found to be physically and chemically stable at different storage conditions at the end of the eight week.
Keywords
Hydroxyethyl Guar, Propranolol Hydrochloride, Sustained Release Tablets.
