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Continuous wavelet transform for simultaneous determination of atorvastatin and rosuvastatin in combined pharmaceutical formulations
Abstract
The combination of continuous wavelet transforms (CWT) with zero-crossing strategy and spectral ratio treatment was described for simultaneous determination of atorvastatin (AT) and rosuvastatin (RVS). Meyer-CWT and Gaus8-CWT of wavelet families were found to be appropriate for spectral analyses of original overlapping signals. Also, it was established that Morl-CWT and fk8-CWT were applicable to signal analysis of the ratio spectra of AT/RVS and RVS/AT. The calibration graphs of CWT methods for AT and RVS were obtained from the working concentration ranges of 5–25 and 10–30 µg/mL, respectively. The applicability of proposed signal processing methods was successfully tested for simultaneous detection of the AT and RVS in combination dosage formulations (without a primary separation). The CWT approach also stayed within good analytical parameters (precision, accuracy, and detection limit) for the management of quality and routine analyses of both drugs in comparison with derivative procedure. The results of proposed method were in agreement with those obtained from HPLC.
Supporting agencies: This work was financially supported by Islamic Azad University (IAU), Yazd Branch, Yazd, Iran.
About the Authors
R. Dastaran
Department of Chemistry, Yazd Branch, Islamic Azad University
Islamic Republic of Iran
Islamic Republic of Iran
Yazd
A. Sheibani
Department of Chemistry, Yazd Branch, Islamic Azad University
Islamic Republic of Iran
Islamic Republic of Iran
Yazd
M. Reza Shishehbore
Department of Chemistry, Yazd Branch, Islamic Azad University
Islamic Republic of Iran
Islamic Republic of Iran
Yazd
H. Saeedi-Sourck
Department of Electrical Engineering, Yazd University
Russian Federation
Russian Federation
Yazd
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Review
For citations:
Dastaran R., Sheibani A., Reza Shishehbore M., Saeedi-Sourck H. Continuous wavelet transform for simultaneous determination of atorvastatin and rosuvastatin in combined pharmaceutical formulations. Zhurnal Prikladnoii Spektroskopii. 2021;88(6):927-932.
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