Study on quality standard for Zhiganqing Granules / 中成药

Objective: To establish the standard for quality control of Zhiganqing Granules (Radix et Rhizoma Rhei, Fructus Ligustri Lucidi, Rhizoma Alismatis, Pericarpium Citri Reticulatae, Polyporus Umbellatus, etc.) Methods: Fructus Ligustri Lucidi, Rhizoma Alismatis and Pericarpium Citri Reticulatae in the preparation were identified by TLC. The emodin in the preparation was determined by HPLC. A good linear range was shown at the concentration from 0.224?g to 0.732?g. The average recovery was 96.8% and the RSD was 1.14%.