Golden thoroughwax (Bupleurum aureum), ac-cording to World Health Organization, is among popular herbs. Physiological activity of the plant is connected with the existence in it of triterpen glyco-sides which received the name of saikosaponins, or bupleyrozids, and the essential oils containing in such bodies as elevated part, and in plant roots. The available data on its component structure are provided on the whole for the plants growing out-side Russia. The research objective was studying the component composition of essential oil of stalks, flowers and leaves of Bupleurum aureum, growing in the vicinities of Krasnoyarsk. Essential oil was received by the method of an exhaustive hydrovapourdistillation within not less than 9 hours. The test of air and dry raw materials made 1200. By the data of chromate mass and spectrometer analysis in essential oil of stalks, leaves and flow-ers of B. aureum are more than 40 components; many of them are known connections and are easi-ly identified. It was shown that in the phase of blos-soming B. aureum as a part of essential oil sesquit-erpenic hydrocarbons prevailed, and their greatest number were in essential oil of leaves and flowers of the plant, oxygen-containing connections in the basic in essential oil of leaves B. aureum, and as a part of essential oil of stalks B. aureum monoter-penes and hydrocarbons prevail. The main compo-nents of essential oil of stalks - β-pinene (9.0 %), caryohyllene (18.7 %) and n-undecane (12.4 %), essential oil of leaves - caryohyllene (19.6 %) and bicyclosesquiphellandrene (8.5 %). Сaryohyllene (28.0%), β-pinene (10.6 %) and n-undecane (8.4 %) - the main components of essential oil of flowers B. aureum.
Bupleurum aureum, essential oil, component structure, chromate mass spectrometry
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