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Research Journal of Pharmacy and Technology
Year : 2017, Volume : 10, Issue : 12
First page : ( 4247) Last page : ( 4254)
Print ISSN : 0974-3618. Online ISSN : 0974-360X.
Article DOI : 10.5958/0974-360X.2017.00778.8

A new stability indicating RP-HPLC method for the simultaneous estimation of Diloxanide and Ornidazole in bulk and Pharmaceutical Dosage forms

Devi M. Seetha1, Babu G. Raveendra1,*, Mulukuri NVL Sirisha2

1Department of Pharmaceutical Analysis, Alluri Krishna Rao and Govindamma College of Pharmacy, Nallajerla-534112, Andhra Pradesh, India

2Department of Pharmaceutical Chemistry, Karnataka College of Pharmacy, Bangalore, Karnataka-560064, India

*Corresponding Author E-mail: upendragudimitla@gmail.com

Online published on 26 March, 2018.

Abstract

A simple, accurate and precise stability indicating RP-HPLC method for the simultaneous estimation of Diloxanide and Ornidazole in pure and pharmaceutical dosage form has been reported. Chromatography was performed with Shimadzu HPLC equipment comprisingdiscovery (250 mm × 4.6mm, 5μ) column with photodiode array detector. A Rheodyne injector fitted with a 10 μl loop was also used and data was recorded and evaluated using LC-20 solutions software. The mobile phase consists of 50% of ortho phosphoric acid buffer and 50% acetonitrile at a flow rate of 1 ml/min. The Diloxanide and Ornidazole were eluted at approximately 2.516 minutes and 3.973 minutes, respectively. The wavelength was found to be 260 nm. A linear response was observed at concentration range of 81.25–487.5 μg/ml for Diloxanide and 62.5–375 μg/ml for Ornidazole with a regression coefficient of 0.9992 and 0.9993, respectively. Forced degradation studies were performed on pure sample of Diloxanide and Ornidazole using acid (0.1 Normal (N) Hydrochloric acid), base (0.1 N sodium hydroxide), peroxide (30% H2O2), thermal (105°C) conditions, UV (25°C) conditions and neutral conditions. The developed method was validated with respect to specificity, precision (% RSD about 0.4%), robustness, LOD and LOQ values were found to be 0.42 μg/ml and 1.28 μg/ml for Diloxanide and 0.42 μg/ml and 1.27 μg/ml for Ornidazole, respectively.

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Keywords

Diloxanide, Ornidazole, Stability-indicating, RP-HPLC, Validation.

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