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EVALUATION OF THE SWELLING, EROSION AND DRUG RELEASE FROM POLYSACCHARIDE MATRIX TABLETS BASED ON PECTIN AND INULIN

AUTHORS

A Akhgari 1 , MR Abbaspour 2 , * , S Rezaee 1 , A Kuchak 1

AUTHORS INFORMATION

1 Nanotechnology Research Center, Ahvaz Jundishapur University of Medical Sciences-Department of Pharmaceutics, School of pharmacy, Ahvaz Jundishapur University of Medical Sciences, Iran

2 Nanotechnology Research Center, Ahvaz Jundishapur University of Medical Sciences-Department of Pharmaceutics, School of pharmacy, Ahvaz Jundishapur University of Medical Sciences, Abbaspourmr@ajums.ac.ir, Iran

ARTICLE INFORMATION

Jundishapur Journal of Natural Pharmaceutical Products: 6 (1); 51-58
Article Type: Research Article
Received: April 1, 2011
Accepted: June 1, 2011

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Abstract

The aim of this study was to investigate swelling, erosion and drug release behavior of tablets containing pectin and inulin (polysaccharide) compared with different grades of hydroxy propyl methyl cellulose (HMPC) in the preparation of slow-release tablets. In this study, theophylline was used as a drug model. HPMC K100 and HPMC K4M and high methoxylated pectin were selected as extended release matrix formers. Tablets were prepared by using direct compression. After determination of mechanical properties, swelling, erosion and drug release studies of matrix tablets were carried out in simulated gastric fluid (SGF), simulated intestinal fluid (SIF) and distilled water. The results of study showed a pH-dependent formation of hydrogel for the pectin tablets so that swelling of tablets in SIF was much more compared to SGF. Tablets made of HPMC K100 released the total drug in 12 h while drug release from pectin-based tablets at the same time was only 65%. Other formulations released their drug less than 12 h. Among the formulations, tablets containing pectin and HPMC K100 had high swelling, low erosion and slow drug release and therefore they were suitable as extended release systems.

Keywords

Pectin, Inulin, HPMC, Swelling, Erosion.

© 0, Jundishapur Journal of Natural Pharmaceutical Products. This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.
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