Piperlotine A shows potent antiplatelet aggregation activity.

Xanthopurpurin shows antiviral activity, it can effectively inhibit rotavirus multiplication by promoting virus-induced apoptosis in MA-104 cells. Xanthopurpurin shows mainly strong inhibition of collagen-induced platelet aggregation. Xanthopurpurin is a dihydroxyanthraquinone. It has a role as a metabolite.