FORMULATION AND EVALUATION OF MATRIX TABLETS BASED ON POLYELECTROLYTE COMPLEX BETWEEN OKRA MUCILAGE AND CHITOSAN 

Journal Title: International Research Journal of Pharmacy (IRJP) - Year 2012, Vol 3, Issue 2

Abstract

Recent years there has been greater utilization of natural polymers in the development of delivery systems. The present work is an effort towards development of matrix tablets using polyelectrolyte complex formed between the oppositely charged natural polymers like okra mucilage obtained from pods of Abelmoschus esculentus and chitosan. The effect of pH and polymer volume ratio on yield of polyelectrolyte complex was studied. It was observed that the yield was maximum (96.45%) at pH 5 and at polymer volume ratio of 9:1 between okra mucilage and chitosan. The prepared polyelectrolyte complex was also characterised by conductimetry, FTIR, DSC. The results confirmed the formation of polyelectrolyte complex between the natural polymers. The matrix tablets were formulated for model drug diclofenac sodium using the best polyelectrolyte complex at different drug to polymer ratios and compared with formulations containing individual polymers as well as marketed formulation. The prepared formulations showed satisfactory physical parameters. Formulations F2 and F3 extended the drug release for more than 8 h with (83.87± 0.8321%) and (77.125± 0.125%) drug release respectively in 8 h. The formulations F2 and F3 followed zero order kinetics with anomalous diffusion mechanism. The mean dissolution times were 3.6042 and 3.5935 hrs and the % dissolution efficiency were 54.9467 and 55.7203 % for formulations F2 and F3 respectively. The similarity factor f2 for formulation F2 was 61.6751 and for formulation F3, it was found to be 60.5025.The formulations were found to be stable.  

Authors and Affiliations

Rajendra Ashwini , S S Bushetti

Keywords

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  • EP ID EP140305
  • DOI -
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How To Cite

Rajendra Ashwini, S S Bushetti (2012). FORMULATION AND EVALUATION OF MATRIX TABLETS BASED ON POLYELECTROLYTE COMPLEX BETWEEN OKRA MUCILAGE AND CHITOSAN . International Research Journal of Pharmacy (IRJP), 3(2), 279-286. https://europub.co.uk/articles/-A-140305