β-Chamigrenal has anti-inflammatory activity, it has inhibitory effects on lipopolysaccharide-induced nitric oxide and prostaglandin E2 production in RAW 264.7 macrophages. Chamigrenal shows platelet-activating factor antagonistic activity and the IC(50) value of 1.2x10(-4) M; it also exhibits weak cytotoxicity towards MCF-7 cells(IC50=30.50 uM).