abstract the seed oil of angelica acutiloba kit. was submitted, after fractionation over silica gel, to a combined analysis by gc(ri), gc/ms and 13c-nmr. the composition was dominated by non terpenic acyclic alcohols and acetates, and phthalides. the main constituents were dodecyl acetate (33.0%), (z)-ligustilide (17.4%), dodecanol (7.1%), p-cymene (6.4%), -terpinene (5.9%) and tetradecyl acetate (5.0%). key word index: angelica acutiloba umbelliferaeessential oil compositiondodecyl acetate(z)-ligustilide3-(z)-butylidene-4,5,6,7-tetrahydro-cis-6,7-dihydroxyphtalide.