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Stability-indicating liquid chromatographic and UV spectrophotometric methods for the quantification of ciprofibrate in capsules and tablets
Hellwig, Fernanda Macke; Reis, Rafael Henrique Dias; Barbosa, Suzana Del Rosso; Malesuik, Marcelo Donadel.
  • Hellwig, Fernanda Macke; UNIPAMPA. Federal University of Pampa. School of Pharmacy. Uruguaiana. BR
  • Reis, Rafael Henrique Dias; UNIPAMPA. Federal University of Pampa. School of Pharmacy. Uruguaiana. BR
  • Barbosa, Suzana Del Rosso; UNIPAMPA. Federal University of Pampa. School of Pharmacy. Uruguaiana. BR
  • Malesuik, Marcelo Donadel; UNIPAMPA. Federal University of Pampa. School of Pharmacy. Uruguaiana. BR
Braz. j. pharm. sci ; 51(1): 221-231, Jan-Mar/2015. tab, graf
Article in English | LILACS | ID: lil-751366
ABSTRACT
This study describes the development and evaluation of stability-indicating liquid chromatographic (LC) and UV spectrophotometric methods for the quantification of ciprofibrate (CPF) in tablets and capsules. Isocratic LC separation was achieved on a RP18 column using a mobile phase of o-phosphoric acid (0.1% v/v), adjusted to pH 3.0 with triethylamine (10% v/v) and acetonitrile (3565 v/v), with a flow rate of 1.0 mL min-1. Detection was achieved with a photodiode array detector at 233 nm. For the spectrophotometric analysis, ethanol and water were used as the solvent and a wavelength of 233 nm was selected for the detection. The methods were validated according to International Conference on Harmonization (ICH) guidelines for validating analytical procedures. Statistical analysis showed no significant difference between the results obtained by the two methods. The proposed methods were successfully applied to the CPF quality-control analysis of tablets and capsules.
RESUMO
Este estudo descreve o desenvolvimento e avaliação de método indicativo da estabilidade por cromatografia líquida (LC) e método por espectrofotometria UV para quantificação de ciprofibrato (CPF) em comprimidos e cápsulas. No método por cromatografia líquida as análises foram realizadas isocraticamente em coluna de fase reversa C18, utilizando fase móvel composta por ácido o-fosfórico (0.1% v/v) pH 3.0, ajustado com trietilamina (10% v/v), e acetonitrila (3565 v/v), com fluxo de 1,0 mL min-1. A detecção foi realizada em detector de arranjo de diodos a 233 nm. Na análise espectrofotométrica, etanol e água foram utilizados como solventes e o comprimento de onda de 233 nm foi selecionado para a detecção do fármaco. Os métodos foram validados de acordo com as diretrizes do International Conference on Harmonization (ICH). A análise estatística não mostrou diferença significativa entre os resultados obtidos pelos dois métodos. Os métodos foram aplicados com sucesso para análises de controle de qualidade do ciprofibrato em comprimidos e cápsulas.
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Full text: Available Index: LILACS (Americas) Main subject: Tablets / Chromatography, Liquid Type of study: Diagnostic study / Evaluation studies Language: English Journal: Braz. j. pharm. sci Year: 2015 Type: Article Affiliation country: Brazil Institution/Affiliation country: UNIPAMPA/BR

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Full text: Available Index: LILACS (Americas) Main subject: Tablets / Chromatography, Liquid Type of study: Diagnostic study / Evaluation studies Language: English Journal: Braz. j. pharm. sci Year: 2015 Type: Article Affiliation country: Brazil Institution/Affiliation country: UNIPAMPA/BR