Preparative separation of four triterpene saponins from radix astragali by high-speed counter-current chromatography coupled with evaporative light scattering detection

2008 ◽  
Vol 19 (3) ◽  
pp. 212-217 ◽  
Author(s):  
Jinyong Peng ◽  
Fuqiu Dong ◽  
Yan Qi ◽  
Xu Han ◽  
Youwei Xu ◽  
...  
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