alexa Development and validation of stability indicating HPLC and HPTLC methods for determination of sulpiride and mebeverine hydrochloride in combination.
Pharmaceutical Sciences

Pharmaceutical Sciences

Pharmaceutica Analytica Acta

Author(s): Naguib IA, Abdelkawy M

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Abstract Validated sensitive and highly selective stability indicating methods are adopted for simultaneous quantitative determination of sulpiride and mebeverine hydrochloride in presence of their reported impurities and hydrolytic degradates whether in pure forms or in pharmaceutical formulation. The first method is High Performance Liquid Chromatography, where the mixture of sulpiride and mebeverine hydrochloride together with the reported interferents plus metopimazine as internal standard are separated on a reversed phase cyano column (5 microm ps, 250 mm x 4.6 id) using acetonitrile: water (70:30 v/v) adjusted to pH = 7 as a mobile phase. The drugs were detected at 221 nm over a concentration range of 5-40 microg ml(-1) and 5-60 microg ml(-1) with mean percentage recoveries 99.75\% (S.D. 0.910) and 99.99\% (S.D. 0.450) for sulpiride and mebeverine hydrochloride respectively. The second method is High Performance Thin Layer Chromatography, where sulpiride and mebeverine hydrochloride are separated on silica gel HPTLC F(254) plates using absolute ethanol:methylene chloride:triethyl amine (7:3:0.2 by volume) as mobile phase and scanning of the separated bands at 221 nm over a concentration range of 0.4-1.4 and 0.2-1.6 microg band(-1) with mean percentage recoveries 101.01\% (S.D. 1.991) and 100.40\% (S.D. 1.868) for sulpiride and mebeverine hydrochloride respectively. 2010 Elsevier Masson SAS. All rights reserved. This article was published in Eur J Med Chem and referenced in Pharmaceutica Analytica Acta

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