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2010•Anhui Medical and Pharmaceutical JournalRequires access

Determination of cinnamaldehyde in weiyankang capsule by HPLC

Yang Qing-jun

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Abstract

Aim To establish a method for the determination of cinnamaldehyde in weiyankang capsule.Methods The specimen was extracted with 50% methanol ultrasound extraction.HPLC-DAD analysis was carried out on XDB-C18 column with acetonitrile-0.033 mol·L-1potassium dihydrogen phosphate solution(45∶55) as the mobile phase.The detection wavelength was 299 nm and the flow rate was 1.0 ml·min-1.Results The linear range of cinnamaldehyde was 0.995～9.95 mg·L-1(r=0.999 9) with average rate of recovery 101.71%,RSD was 1.67%.Conclusion The method is simple,accurate and reliable,which can be a quality control standard of weiyankang capsule.

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What this paper is about

Aim To establish a method for the determination of cinnamaldehyde in weiyankang capsule.Methods The specimen was extracted with 50% methanol ultrasound extraction.HPLC-DAD analysis was carried out on XDB-C18 column with acetonitrile-0.033 mol·L-1potassium dihydrogen phosphate solution(45∶55) as the mobile phase.The detection wavelength was 299 nm and the flow rate was 1.0 ml·min-1.Results The linear range of cinnamaldehyde was 0.995～9.95 mg·L-1(r=0.999 9) with average rate of recovery 101.71%,RSD was 1.67%.Conclusion The method is simple,accurate and reliable,which can be a quality control standard of weiyankang capsule.

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Available abstract

Aim To establish a method for the determination of cinnamaldehyde in weiyankang capsule.Methods The specimen was extracted with 50% methanol ultrasound extraction.HPLC-DAD analysis was carried out on XDB-C18 column with acetonitrile-0.033 mol·L-1potassium dihydrogen phosphate solution(45∶55) as the mobile phase.The detection wavelength was 299 nm and the flow rate was 1.0 ml·min-1.Results The linear range of cinnamaldehyde was 0.995～9.95 mg·L-1(r=0.999 9) with average rate of recovery 101.71%,RSD was 1.67%.Conclusion The method is simple,accurate and reliable,which can be a quality control standard of weiyankang capsule.

Key concepts: Cinnamaldehyde, Capsule, Chromatography, High-performance liquid chromatography, Chemistry, Recovery rate, Acetonitrile, Linear range

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