Figure 9: % Content of flavonoids of Apigenin (?), Chrysoeriol (O), Tamarixetin (?) Acacetin ( ) and Genkwanin (?) by by HPLC–UV method and Apigenin (¦), Chrysoeriol (?), Tamarixetin (?) Acacetin (?) and Genkwanin () by HPLC-MS method.