OPTIMIZATION OF AQUEOUS-BASED FILM COATING PROCESS PARAMETERS CONTAINING GLUCOSAMINE SULFATE POTASSIUM CHLORIDE
Objective: The aim of the present work was to prepare film coated tablet of glucosamine sulfate potassium chloride and study the effect of coating process parameters which implicate more significant effects on an aqueous-based film coating process of tablets.
Methods: The different batches of uncoated tablets were prepared by wet granulation method. Aqueous film coating was carried out by using opadry®II white 85F18422. A 32 full factorial design was employed to study the effect of spray rate (X1) and inlet air temperature (X2) on coating uniformity, coating process efficiency and % loss on drying. The surface characteristics of the aqueous based film coated tablet were studied using a SEM. Check point batch was prepared to validate the evolved model.
Results: Preliminary trials indicated that individually process parameters affected the quality of coated tablets. Hence, studied the combined effect of these factors on the coating process required and 32 full factorial design was applied. In this study, it was seen that spray rate and inlet air temperature had a major effect on tablet coating process. It was observed from factorial batch that maximum drug release was found in batch F5.
Conclusion: The results of full factorial design indicate both parameters spray rate (X1) and inlet air temperature (X2) have significant effect on coating process and batch F5 is stable for 3 mo at accelerated condition.
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