Antitumor Activities of Ethyl Acetate Extracts from Selaginella doederleinii Hieron In Vitro and In Vivo and Its Possible Mechanism

Figure 1

HPLC chromatogram of ethyl acetate extracts. 1: amentoflavone; 2: robustaflavone; 3: 2′′,3′′-dihydro-3′,3′′′-biapigenin; 4: 3′,3′′′-binaringenin; 5: heveaflavone; 6: 7,4′,7′′,4′′′-tetra-O-methylamentoflavone.