SIMULTANEOUS ESTIMATION OF BEPOTASTINE BESILATE AND BENZALKONIUM CHLORIDE IN OPHTHALMIC FORMULATION BY RP-HPLC METHOD
Journal Title: International Journal of Pharmacy and Pharmaceutical Sciences - Year 2016, Vol 8, Issue 6
Abstract
Objective: Development and validation of stability indicating RP-HPLC method for the simultaneous determination of bepotastine besilate (Bepo B) and benzalkonium chloride (BKC) in an ophthalmic dosage form.Methods: A chromatographic separation of the drug, as well as a preservative, was achieved using Shimadzu HPLC 1100 series consisted of binary pump LC-10 ADvp, Rheodyne universal injector 7725i and Shimadzu SPD-10 UV–Visible detector. The chromatographic separations were performed using Analytical® Hyperchrome ODS C18, 5 μm, 250 mm X 4.6 mm i.d. column with isocratic mobile phase Acetonitrile: phosphate buffer (60:40) pH 5.5. The drug and a preservative were monitored at an ambient temperature and detection wavelength of 210 nm with a flow rate of 1 ml/min and an injection volume of 20 µl.Results: The mean % recovery at the 80, 100 and 120% level for Bepotastine and benzalkonium chloride was found to be 100.09 and 100.81% respectively and % RSD was found to be 0.21 and 0.85% respectively, which meets the established acceptance criteria. Forced degradation of bepotastine besilate was carried under alkaline, acidic, neutral, oxidative, humidity, thermal and photodegradation conditions and it was analyzed by proposed method. The drug degrades to some extent in all forced degradation condition.Conclusion: The developed method was validated as per ICH guidelines using validation parameters such as accuracy, precision, linearity and range, robustness, ruggedness, LOD, LOQ, specificity, and system suitability testing. The proposed method can be used for routine analysis stability testing and assay of bepotastine besilate ophthalmic solution in quality control laboratories.Keywords: Bepotastine besilate (Bepo B), Benzalkonium chloride (BKC)
Authors and Affiliations
Krishna R. Gupta, Sonali S. Askarka
Keywords
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