2007•ZhongchengyaoRequires access

Determination of osthole and imperatorin in Compound Shajiziyou Suppository by RP-HPLC

Hou Ya-lan

Abstract

AIM:To develop a HPLC method of determining osthole and imperatorin in Compound Shajiziyou Suppository(oil of Semen Hippophae,Fructus Cnidii,Radix Sophorae flavescentis,etc.). METHODS: Phenomnex(luna) C_(18) column was used at(25 °C).The mobile phase consisted of methanol-water(65(∶)35).The flow rate was 1.0 mL/min.The detection wavelength was set at 310 nm. RESULTS: The linear ranges of osthole and imperatorin were 0.051-0.816 μg(r=0.999 6) and 0.026-0.416 μg(r=0.999 8),respectively,The average recoveries were 98,4% with RSD of 1.4% and 97.6% with RSD of 2.0% respectively. CONCLUSION: This method is simple,accurate,reproducible and can be used for the determination of osthole and imperatorin in Compound Shajiziyou Suppository.

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Key concepts: Imperatorin, Chromatography, Suppository, Chemistry, High-performance liquid chromatography, Radix (gastropod), Pharmacology, Medicine