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Enhancement of Solubility and Dissolution Rate Using Modified Guar Gum   Vipul Jambukiya,Ramesh Parmar and N. R. Sheth

Enhancement of Solubility and Dissolution Rate Using Modified Guar Gum

92 страниц. 2013 год.
LAP Lambert Academic Publishing
Present study examines the effect of Guar gum (GG) and Modified guar gum (MGG) on the oral bioavailability of a poorly water-soluble drug, Ibuprofen (IBU). Modified guar gum (MGG) was prepared using heat treatment (125-130oC for 2 to 3 hours) method. It was characterized for viscosity, swelling index and water retention capacity. The physical and co-grinding mixtures of IBU with GG and MGG were prepared in 1:9 drug to gum ratio. The physical and co-grinding mixtures were characterized by DSC, FT-IR. The studies confirmed that there was no interaction between drug and carrier. Prepared mixtures were evaluated for solubility study and in vitro dissolution studies. The rank order of solubility was IBU<grounded IBU<Physical mixture< Co-grinding mixture ...
 
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