“…Genkwanin shows significant anti‐tumor activity by enhancing host immunity and decreasing inflammatory cytokine levels (Wang et al, ); this compound also exhibits antioxidant properties and immunomodulatory effects on splenocytes, NK and CTL cells (Nasr‐Bouzaiene et al, ). Hydroxygenkwanin possesses anti‐glioma and anti‐rheumatoid arthritic activities (Jiang et al, ; Wang et al, ). Moreover, umbelliferone (7‐hydroxy coumarin) contains a natural well‐known skeleton that has a wide spectrum of bioactivity, such as anti‐oxidant, antihyperlipidemic and antidiabetic properties (Pan, Li, Jin, Yang, & Qin, ; Suwannaphet, Meeprom, Yibchok‐Anun, & Adisakwattana, ).…”