Abstract
The objective of this study was to the enhancement of dissolution rate of Valsartan. Using a solid dispersion (kneading) method with Kollidon and Povidone K30 as a carrier. Eight different drugs: Carrier ratios were prepared. Using factorial design taking 3 factors i.e., the concentration of Valsartan (x1), Kollidon (x2), and Povidone K30(x3). The enhancement of dissolution depends on the amount of carrier and an increase in the concentration of carrier. Enhancement of dissolution rate depends on reduce particle size of drug place on the surface of carrier and increased wettability of drug particle by carrier. Solid Dispersions prepared with Kollidon as a carrier in ratio 1:4 shows the enhancing dissolution in 30 mins to drug and Physical Mixture. Formulation evaluated by fourier-transform infrared spectroscopy, differential scanning colorimetry, X-ray diffraction, Scanning Electron Microscopy.
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