Losartan potassium dissolution test for drug release evaluation in pharmaceutical capsules using HPLC and UV spectrophotometry
AUTOR(ES)
Bonfilio, Rudy, Mendonça, Taciane Ferreira, Pereira, Gislaine Ribeiro, Araújo, Magali Benjamim de, Tarley, César Ricardo Teixeira
FONTE
Química Nova
DATA DE PUBLICAÇÃO
2010
RESUMO
This work describes the development and validation of a dissolution test for 50 mg losartan potassium capsules using HPLC and UV spectrophotometry. A 2(4) full factorial design was carried out to optimize dissolution conditions and potassium phosphate buffer, pH 6.8 as dissolution medium, basket as apparatus at the stirring speed of 50 rpm and time of 30 min were considered adequate. Both dissolution procedure and analytical methods were validated and a statistical analysis showed that there are no significant differences between HPLC and spectrophotometry. Since there is no official monograph, this dissolution test could be applied for quality control routine.
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