1,5 dihydroxyxanthone

1,5-Dihydroxyxanthone exhibits the epidermal growth factor receptor (EGFR) -tyrosine kinase inhibitory activity, with the IC50 value of 90.34 nM. It may have anticholinesterase activity on acetylcholinesterase (AChE) and butyrylcholinesterase (BChE) enzym

5-Hydroxy-1-methoxyxanthone, 1,5-dihydroxyxanthone and 6-deoxyjacareubin are all antifungal against Cladosporium cucumerinum, while they show differing degrees of inhibition of monoamine oxidase A and B.