6-Deoxyjacareubin

6-Deoxyjacareubin possesses significant antioxidant activities, it also exhibits the cytotoxic activities against HL-60, SMMC-7721, A-549, MCF-7, and SW-480 cell lines.6-Deoxyjacareubin is antifungal against Cladosporium cucumerinum, while it shows differing degrees of inhibition of monoamine oxidase A and B. 6-Deoxyjacareubin shows strong platelet activating factor (PAF) receptor binding inhibitory effects using rabbit platelets with IC50 values of 29.0 microM, suggests that xanthones can represent a new class of natural PAF receptor antagonists.