A Rapid Derivative Spectrophotometric Method for Simultaneous Determination of Ethinylestradiol and Drospirenone in Dosage Forms
Journal Title: Saudi Journal of Medical and Pharmaceutical Sciences - Year 2018, Vol 4, Issue 6
Abstract
Abstract:A combination of ethinylestradiol and drospirenone is used as an oral contraceptive and also for the treatment of premenstrual dysphoric disorders, acne and hirsutism. In this study, a derivative spectrophotometric method has been developed and validated for the simultaneous determination of drospirenone and ethinylestradiol.First order derivative spectrum was used for the determination of ethinylestradiol at 211 nm and drospirenone at 298 and 302 nm. The developed method was linear over the concentration range of 0.25-2.5 μg/mL and 20-200 μg/mL for ethinylestradiol and drospirenone, respectively. The within-day and between-day precision and accuracy were acceptable for both compounds (CV<2.5% and error<2.4%). The proposed method was used for simultaneous determination of ethinylestradiol and drospirenone without any separation before analysis. Keywords:Ethinylestradiol, Drospirenone, Derivative spectrophotometry, Simultaneous.
Authors and Affiliations
Effat Souri
Keywords
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