Simultaneous Estimation of Aliskiren and Amlodipine in Combined Tablet Formulation by Simultaneous Equation and First Derivative Spectroscopic Methods

Yadav N and Goyal A
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Yadav N: Department of Pharmacy, SRMSCET, India
Goyal A: B N Institute of Pharmaceutical Sciences, India

Organic & Medicinal Chemistry International Journal, 2018, vol. 6, issue 1, 1-5

Abstract: Simple, sensitive and accurate UV-spectroscopic methods were developed and validated for simultaneous estimation of aliskiren and amlodipine in tablet formulation using simultaneous equation and first derivative spectroscopic methods. Developed methods include direct estimation of amlodipine at 365nm without any interference, since aliskiren has zero absorbance at this wavelength. Estimation of aliskiren through simultaneous equation was performed at 279 nm, while 236.8 nm were selected as zero crossing point for estimation of aliskiren by first order derivative spectroscopic method. Linearity was found to be satisfactory over the concentration range of 25-300μg/ml and 5-100μg/ml for aliskiren and amlodipine respectively. The mean percentage label claim of aliskiren and amlodipine using simultaneous equation was 99.84 and 99.85 % respectively, while for first derivative spectroscopic method it was found to be 100.36 and 99.85% respectively. The developed methods are economical and reproducible for routine analysis of aliskiren and amlodipine in tablet formulation.

Keywords: juniper publishers:Medicinal Chemistry; Biochemistry Journal; Pharmacology Journal; biochemical pharmacology; molecular pharmacology; biochemistry; open access journals; peer reviewed journals; Open Access; Journal of Molecular Biochemistry; International Research Journal of Pure and Applied Chemistry; World Journal of Biological Chemistry; Biochemistry and Analytical Biochemistry; Biochemistry & Physiology: Open Access; Molecular Biology International; Plant Biochemistry & Physiology; International Journal of Molecular Sciences; Journal of Clinical and Medical Genomics; Environmental Analytical Chemistry; Medicinal Chemistry; Juniper publishers reivews (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:adp:jomcij:v:6:y:2018:i:1:p:1-5

DOI: 10.19080/OMCIJ.2018.06.555676

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