LU Yan-min, WANG Qian, XUE Xiao-ping, et al. Determination of Pulchinenoside B in Qingre Jiedu Extract by RP-HPLC[J]. Chinese journal of experimental traditional medical formulae, 2009, 15(10): 8-10.
LU Yan-min, WANG Qian, XUE Xiao-ping, et al. Determination of Pulchinenoside B in Qingre Jiedu Extract by RP-HPLC[J]. Chinese journal of experimental traditional medical formulae, 2009, 15(10): 8-10.DOI:
Objective:To develop an HPLC method for determination of pulchinenoside B_4 in Qingre Jiedu extract.The analysis was carried out on a Kromasil C18(250 mm×4.6 mm
5 μm)column eluted with a mobile phase of acetonitrile watercantaining 0.1% phosphoric acid(V∶V=28∶72).The flow rate was 1.0 mL·min-1 and column temperature was 30 ℃.The detection wavelength was set at 205 nm.Results:The calibration curve was linear within the range of 0.294~1.47 μg for pulchinenoside B4.The average recovery was 99.6% and the RSD was 1.37%.Conclusion:This method is convenient
accurate and repeatable for determination of pulchinenoside B4 in Qingre Jiedu extract.