St.John' Wort ExtractSt.John' Wort Extract  
【Product name】: St.John' Wort Extract  
【Specification】: 0.3%Hypericin
【Content Specifications】: 0.3% ,1%Hypericins by UV 
                                                       3.0% Hyperforin by HPLC
【Constitutional Formula】:    
【Packing】: 25kg/paper drum 
【Introduction】: black brown powdery extract product of Hypericum perforatum L. 
【Active ingredients】:Hypericin,Pseudohypericin,Protohypericin,Protopseudohypericin,
Kampferol,Luteolin,Hyperforin,Adhyperforin