Composition of the leaf and flower oils from Angelica sinensis (Oliv.) Diels cultivated in Vietnam

The volatile oils from the Japanese and North Korean varieties of Angelica sinensis (Oliv.) Diels, cultivated in Vietnam, were obtained by steam distillation of the fresh leaves and whole flowers. The oils were analyzed by GC and GC/MS and found to contain about 50 compounds. More than 35 constituents have been identified, the major ones being y-terpinene (59.2% and 44.3% in the Japanese leafand flower oils; 68.3% and 62.3% in the North Korean oils), and (Z)-ligustilide (11.9% and 33.6%,6.4% and 13.6%, respectively).