DOI: 10.21276/ajptr
Fri, 22 Mar 2019

UV-Spectrophotometric Determination of Ofloxacin in Bulk and Pharmaceutical Dosage form Using Hydrotropic Solubilization Technique

Sk.Masthannamma*1, T Ananta Sridhar1, B Siva sankar naik1, T Anil kumar1

1. Department of Pharmaceutical Analysis, University College of pharmaceutical sciences, Acharya Nagarjuna University, Nagarjuna Nagar, Guntur–522510.Andhra Pradesh (India).


Hydrotropicsolvents may proper choice to preclude the use of organic solvents so that, a simple, accurate, novel, safe and precise method could developed for estimation of poorly water soluble drug,. Solubility of ofloxacin is increased by using 8M urea as a hydrotropic agent. Ofloxacin showed the maximum absorbance at 288 nm in method A, 284-292 nm in method B and 316nm in method C. At these wavelengths, hydrotropic agent and other tablet excipients did not show any significant interference in the spectrophotometric assay. The developed methods were found to be linear in the range of 3-15 µg/ml for method A, 1.5-7.5 µg/ml for method B&C with correlation coefficients (R) of 0.999, 0.996 and 0.992 respectively. The mean percent label claim of tablets of ofloxacin in formulation estimated by the proposed methods was found to be97.52%. The developed methods were validated according to ICH guidelines and values of accuracy, precision and other statistical parameters were found to be good accordance with the prescribe values. As hydrotropic agent was used in the proposed methods, these methods were eco-friendly and it can be used in routine quantitative analysis of drug in bulk and dosage form in industries.

Keywords: Ofloxacin; urea; AUC; Hydrotropic solubilization technique; derivative spectroscopy.

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