Abstract
In the present study, a gradient reversed-phase high-performance liquid chromatography (RP-HPLC) method has been designed and validated to quantify Ornidazole (OZ) in the marketed formulation (oral gel) with the application of QbD. The proposed HPLC method utilizes an RP C18 column (4.6 x 250 mm, 5 μm). The mobile phase contained HPLC grade Solvent A (water) and Solvent B (acetonitrile) and ran at a flow rate of 1 mL/min in a gradient mode. The linearity was plotted in an OZ range of 1–12 μg/mL and the correlation coefficient was found to be 0.9998. The limit of quantification, as well as the limit of detection, has been recorded as 0.70 μg/mL and 0.23 μg/mL. Inter- and intra-day precision (RSD) percentages were reported respectively within a range of 0.262–0.589 and 0.179–0.879. At 80, 100, and 120 percent different OZ levels, the average accuracy was 99.55, 99.58, and 99.92, respectively. The result of the study indicates that the OZ gel estimate HPLC method has good sensitivity, reproducibility, accuracy, and precision. This method may be used for the estimation of OZ in a gel formulation in quality control laboratories.
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