Assay of verbascoside in Shenqiyinao Capsules by HPLC / 中成药

ABSTRACT

AIM: To determinate the content of verbascoside in Shenqiyinao Capsules (Fructus Lycii, Herba Cistanches, Rhizoma Polygonati, etc.). METHODS: Waters C 18 column was used and acetonitrile-methyl alcohol-1% acetic acid solution was used as a mobile phase. The detection wavelength was set at 334nm. RESULTS: The linear range was in the range of 0.206～1.85?g, and the average recovery was 96.6% and RSD was 2.5%, respectively. CONCLUSION: The method can prevent from impurities effectively and can be applied to the quality control of Shenqiyinao Capsules.