Comparative in Vitro Dissolution Assessment of Three Different Brands of Lansoprazole Capsules
Abstract
The present study has made an attempt to compare % release of three different brands (Lanzol, Lanzap and Lan) of lansoprazole using USP Type II (Paddle) dissolution Apparatus in three Media (phosphate buffer pH 6.0, 6.8 and 7.4). It has been observed from the dissolution profile that more than 90% of Lansoprazole is released from each capsule at 30.0 minutes time point. The F1 and F2 values of Lanzol Vs Lanzap are 7.02% and 59.87%, Lanzol Vs Lan are 1.51% and 81.99% and Lan Vs Lanzop are 0.38% and 59.98% at pH6.0; The F1 and F2 values of Lanzol Vs Lanzap are 7.65% and 55.95%, Lanzol Vs Lan are 3.91% and 69.18%, Lan Vs Lanzop are 3.90% and 61.99% at pH 6.8. The F1 and F2 values of Lanzol Vs Lanzap are 4.12% and 67.10%, Lanzol Vs Lan 2.46%, 72.60%, Lan Vs Lanzop 1.70% and 84.53% at pH 7.4. In all three Media % Release pattern is similar; However in pH 7.4 media % Release is about 100% at 45 minutes.
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