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The study of optiml extraction technics about salidroside from rhodiola crenulata

LU Yong-chang,LIN Peng-cheng,BAO Shou-hai(Department of Chemistry , Qinghai Natiaonlitities University ,Xining 810007,China)  
The optimal extraction tchnics about salidroside from rhodiola crenulata was investigated by using the orthogonal design.The conten of Salidroside from Rhodiola crenulata was determinedby HPLC.then,the optimum extrction technics as follows;78℃ 40% ethanol to Rhodiola crenulata weight ratio(1∶10),reflux extraction 2.86%.
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