Quality standard for Chansu Tongbi Ointment / 中成药

ABSTRACT

AIM: To establish the method for quality control of Chansu Tongbi Ointment(Venenum Bufonis,Borneolum Syntheticum,Radix Stephanial Tetrandrae etc.) METHODS: Radix Stephaniae Tetrandrae in Chansu Tongbi Ointment was identified by TLC,and the content of cinobufagin and resibufogenin were determined by HPLC. RESULTS: Radix Stephaniae Tetrandrae could be identified by TLC.Cinobufagin showed a good linear relationship at the range of 1.15 ?g-5.75 ?g,r=0.999 7.The RSD of measurement precision test was 1.05%,The average recovery was 97.95%(RSD=1.63%,n=5).Resibufogenin showed a good linear relationship at the range of 1.05 ?g-5.25 ?g,r=0.999 6.The RSD of measurement precision test was 1.02%,The average recovery was 97.45%(RSD=0.61%,n=5. CONCLUSION: The method is accurate,reliable and available with a reproducibility and can be used to control the quality of this ointment effectively.