The butanol-soluble fraction of the dried root of Angelica gigas exhibited significant protection against chloroquine-sensitive strains of Plasmodium falciparum using the parasite lactate dehydrogenase assay method. Using antiplasmodial activity-guided fractionation, five coumarins, marmesinin (1),
A new cadinane sesquiterpenoid glucoside, 2β,7,3-trihydroxycalamenene 3-O-β-d-glucoside (1) together with six known compounds, N-(p-trans-coumaroyl)-N-methyl tyramine (2), Cleomiscosin A (3), 9,12,13-trihydroxy-10,15-heptadecadienoic acid (4), Cytochalasin B (5), Marmesinin (6) and