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JIN Wei, CHEN Ji-nan, WEN Ge-sheng, GAO Yi. Effect of recombinant human growth hormone therapy on late puberty children with idiopathic short stature[J]. Journal of Pharmaceutical Practice and Service, 2012, 30(4): 293-295.
Citation: LIU Hui-jun, CHEN Rui, WANG Juan. Determination of ephedrine and pseudoephedrine in Xuanfei Qingre mixture by HPLC[J]. Journal of Pharmaceutical Practice and Service, 2010, 28(3): 199-200,205.

Determination of ephedrine and pseudoephedrine in Xuanfei Qingre mixture by HPLC

  • Received Date: 2009-12-28
  • Rev Recd Date: 2010-03-09
  • Objective To set up a method of simultaneously determining the contents of ephedrine and pseudoephedrine in Xuanfei Qingre mixture(Herba Ephedrae,Semen Armeniacae amarum,Bulbus Fritillaria thunbergii,Radix scutellaria,etc). Methods The HPLC-quantitative analysis was carried out on a column of Agilent ZORBA× SB-CC18 by using a mobile phase of acetonitrile-0.02 mol/L potassium dihydrogen phosphate(adjusted with phosphoric acid pH=2.7),(4100,with 0.1% triethylamine)under a flow rate of 1.2 ml/min.207 nm was selected as the wavelength of detector. Results The linear range of ephedrine was 11.04~222.8 μg/ml(r=0.999 9)and pseudoephedrine's was 8.27~165.4 μg/ml(r=0.999 9).The recoveries of them were all between 95% and 105%(RSD<3%). Conclusion This method is simple,reproducible and specific.
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    Created with Highcharts 5.0.7Chart context menuAccess Class DistributionFULLTEXT: 85.3 %FULLTEXT: 85.3 %META: 12.8 %META: 12.8 %PDF: 1.8 %PDF: 1.8 %FULLTEXTMETAPDFHighcharts.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Determination of ephedrine and pseudoephedrine in Xuanfei Qingre mixture by HPLC

Abstract: Objective To set up a method of simultaneously determining the contents of ephedrine and pseudoephedrine in Xuanfei Qingre mixture(Herba Ephedrae,Semen Armeniacae amarum,Bulbus Fritillaria thunbergii,Radix scutellaria,etc). Methods The HPLC-quantitative analysis was carried out on a column of Agilent ZORBA× SB-CC18 by using a mobile phase of acetonitrile-0.02 mol/L potassium dihydrogen phosphate(adjusted with phosphoric acid pH=2.7),(4100,with 0.1% triethylamine)under a flow rate of 1.2 ml/min.207 nm was selected as the wavelength of detector. Results The linear range of ephedrine was 11.04~222.8 μg/ml(r=0.999 9)and pseudoephedrine's was 8.27~165.4 μg/ml(r=0.999 9).The recoveries of them were all between 95% and 105%(RSD<3%). Conclusion This method is simple,reproducible and specific.

JIN Wei, CHEN Ji-nan, WEN Ge-sheng, GAO Yi. Effect of recombinant human growth hormone therapy on late puberty children with idiopathic short stature[J]. Journal of Pharmaceutical Practice and Service, 2012, 30(4): 293-295.
Citation: LIU Hui-jun, CHEN Rui, WANG Juan. Determination of ephedrine and pseudoephedrine in Xuanfei Qingre mixture by HPLC[J]. Journal of Pharmaceutical Practice and Service, 2010, 28(3): 199-200,205.

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