The Quality Standards Study of Xiongju Shangqing Pills

OBJECTIVE To develop a method of quality control for Xiongju Shangqing pills. METHODS Radix Angelicae Dahuricae, Flos Chrysanthemi, Fructus Gardeniae and Rhizoma Coptidis were identified by TLC. HPLC was used for the determination of baicalin. RESULTS The chromatographic spots were identified without the interference of negative control. Baicalin had a good linearity over the concentration range of 0.004 96-0.248 mg·mL-1, the average recoveries was 96.6% with relatively standard deviations of 1.1%. CONCLUSION This method was found to be reliable, accurate and specific, it can be used for the quality control of Xiongju Shangqing pills.