Studies of Quality Control of Shiwei Shujin Huoluo Powder / 广州中医药大学学报

Objective To set up the quality standard of Shiwei Shujin Huoluo Powder. Methods Rhizoma Polygoni cuspidati and Cortex Cinnamomi, the main ingredients of the powder, were identified by thin layer chromatography ( TLC) , and the content of emodin in the powder was detected by high performance liquid chromatography (HPLC) . Results The spots showed by TLC were clear without interference of the negative control. HPLC results showed that linear range of emodin was 9.30 ~ 46.52 μg·mL-1, the recovery of emodin was 96.22%, and RSD was 1.76% ( N=6) . Conclusion The established method is reliable and accurate, and can be used for quality control of Shiwei Shujin Huoluo Powder.