(4Z,6E)-5-hydroxy-1,7-bis(4-hydroxyphenyl)hepta-4,6-dien-3-one shows growth inhibitory activity in vitro versus bloodstream forms of African trypanosomes, with the IC(50) value in the range of 1-3 microg/mL.
1,7-Bis(4-hydroxyphenyl)-3-hydroxy-1,3-heptadien-5-one shows strong inhibition of collagen-induced, arachidonic acid-induced, and adenosine diphosphate-induced platelet aggregation of human whole blood.