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[Objective] Tto obtain the optimum reflux extraction conditions for toosendanin from FRUCTUS TOOSENDAN.[Method] Effects of extraction solvent,solid-liquid ratio,extraction temperature,extraction duration and extraction times on the yield of toosendanin were investigated using content of toosendanin as index which was determined by HPLC.[Result] The optimum reflux extraction conditions for toosendanin were proposed to be:extraction solvent of methanol,solid-liquid ratio of 1:30,extraction temperature of 80 ℃,extraction duration of 1.0 h,extraction times of 2.Under the optimum extraction process,the yield of toosendanin from FRUCTUS TOOSENDAN reached 1.344 9 mg/g.[Conclusion] Simple in process,reflux extraction method established in this study is effective and stable for extracting toosendanin from FRUCTUS TOOSENDAN.
[Objective] Tto obtain the optimum reflux extraction conditions for toosendanin from FRUCTUS TOOSENDAN. [Method] Effects of extraction solvent, solid-liquid ratio, extraction temperature, extraction duration and extraction times on the yield of tondananin were investigated using content of toosendanin as index which was determined by HPLC. [Result] The optimum reflux extraction conditions for tondananin were proposed to be: extraction solvent of methanol, solid-liquid ratio of 1: 30, extraction temperature of 80 ℃, extraction duration of 1.0 h, extraction times of 2.Under the optimum extraction process, the yield of toosendanin from FRUCTUS TOOSENDAN reached 1.344 9 mg / g. [Conclusion] Simple in process, reflux extraction method established in this study is effective and stable for extracting toosendanin from FRUCTUS TOOSENDAN.