Three new isomeric flavanones, fuscaflavanones A(1) (1), A(2) (2) and B (3), together with six known flavanones, lupinifolin (4), lonchocarpol A (5), a mixture of lonchocarpols C(1) and C(2) (6a, b), and a mixture of lonchocarpols D(1) and D(2) (7a, b), five pterocarpans, sandwicensin (8),
Ethyl acetate (EtOAc) extract from the stem bark of Erythrina fusca showed a antimalarial activity against the multi-drug-resistant strain (K1) of Plasmodium falciparum, and six flavonoids, lupinifolin (1), citflavanone (2), erythrisenegalone (3), lonchocarpol A (4), liquiritigenin (5), and