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Current Issues in Pharmacy and Medical Sciences

Formerly Annales UMCS Sectio DDD Pharmacia

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Zero crossing and ratio spectra derivative spectrophotometry for the dissolution tests of amlodipine and perindopril in their fixed dose formulations

Paulina Maczka
  • Department of Medicinal Chemistry, Faculty of Pharmacy, Medical University of Lublin, Jaczewskiego 4, 20-090 Lublin, Poland
  • Other articles by this author:
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/ Anna Gumieniczek
  • Corresponding author
  • Department of Medicinal Chemistry, Faculty of Pharmacy, Medical University of Lublin, Jaczewskiego 4, 20-090 Lublin, Poland
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/ Justyna Galeza
  • Department of Medicinal Chemistry, Faculty of Pharmacy, Medical University of Lublin, Jaczewskiego 4, 20-090 Lublin, Poland
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  • De Gruyter OnlineGoogle Scholar
/ Rafal Pietras
  • Department of Medicinal Chemistry, Faculty of Pharmacy, Medical University of Lublin, Jaczewskiego 4, 20-090 Lublin, Poland
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Published Online: 2014-11-25 | DOI: https://doi.org/10.2478/cipms-2014-0027

Abstract

Dissolution tests of amlodipine and perindopril from their fixed dose formulations were performed in 900 mL of phosphate buffer of pH 5.5 at 37°C using the paddle apparatus. Then, two simple and rapid derivative spectrophotometric methods were used for the quantitative measurements of amlodipine and perindopril. The first method was zero crossing first derivative spectrophotometry in which measuring of amplitudes at 253 nm for amlodipine and 229 nm for perindopril were used. The second method was ratio derivative spectrophotometry in which spectra of amlodipine over the linearity range were divided by one selected standard spectrum of perindopril and then amplitudes at 242 nm were measured. Similarly, spectra of perindopril were divided by one selected standard spectrum of amlodipine and then amplitudes at 298 nm were measured. Both of the methods were validated to meet official requirements and were demonstrated to be selective, precise and accurate. Since there is no official monograph for these drugs in binary formulations, the dissolution tests and quantification procedure presented here can be used as a quality control test for amlodipine and perindopril in respective dosage forms.

Keywords: amlodipine and perindopril; fixed dose formulations; dissolution; derivative spectrophotometry

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About the article

Received: 2014-06-12

Accepted: 2014-07-16

Published Online: 2014-11-25

Published in Print: 2014-06-01


Citation Information: Current Issues in Pharmacy and Medical Sciences, Volume 27, Issue 2, Pages 113–117, ISSN (Online) 2300-6676, ISSN (Print) 2084-980X, DOI: https://doi.org/10.2478/cipms-2014-0027.

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© 2014. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0

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