Components of the total alkaloids extracted by Ultrasonic assisted method , which were dissolved by ether, ethyl acetate, acetone and n butyl alcohol, ethanol, chloroform solution respectively, were analyzed by gas chromatography mass spectrometry. The results showed that 101 kinds of ingredients were detected, and 77 compounds had identified which included majority of fatty acid, a variety of alkaloids and small amounts of ketones, aldehydes substances etc. L. nervosa is worthy of exploitation for its a variety of alkaloids with predicable bioactivities.
