Quantification of Valerenic Acid and its Derivatives in Some Species of Valeriana L. and Centranthus longiflorus Stev.

Ebrahimzadeh Hassan, Radjabian Tayebeh, Ekhteraei Tousi Samaneh, Bashiri Sadr Zeinalabedin, Niknam Vahid and Zarrei Mehdi

Asian Journal of Plant Sciences 7 ( 2 ): 195 - 200 , 2008