Corpus ID: 99168010

Study on fingerprint of Yangyin Qingfei Syrup

  title={Study on fingerprint of Yangyin Qingfei Syrup},
  author={Ni Jian},
  journal={Chinese Traditional and Herbal Drugs},
  • Ni Jian
  • Published 2013
  • Chemistry
  • Chinese Traditional and Herbal Drugs
Objective To establish the HPLC fingerprint of Yangyin Qingfei Syrup(YQS),to discuss the differences among the samples from different manufactories and different batches from the same manufactory,and to lay a foundation for optimizing the quality evaluation system.Methods HPLC was used with Agilent TC-18 column(250 mm × 4.6 mm,5 μm),gradient eluted with acetonitrile-0.1% phosphoric acid.The detection wavelength was 254 nm,column temperature was 30 ℃,and flow rate was 0.8 mL/min.Results The HPLC… Expand