abstract the essential oil from fruits of phellodendron chinense c. k. schneid. was analyzed by gc, gc/ms and 1h-nmr spectroscopy. more than 90 compounds were identified. myrcene (80.1-85.9%) and germacrene d (5.8-7.1%) were the main constituents in the oils obtained from fresh unripe, fresh ripe and air-dried ripe fruits.