Abstract: The volatile components of cananga oil were analyzed by using of gas chromatography-time-of-flight mass spectrometry (GC-TOF MS).The peak area normalization method was used to calculate the content of each component.With the mass spectrometry library search,72 compounds which accounted for 93.33% in the volatile components of cananga oil were identified by using MS database and retention index of ESO.The main componments were benzyl benzoate (18.359%),α-linalool (16.186%),trans-caryophyllene (10.412%),α-cadinol (5.651%),δ-cadinene (5.241%),geranyl acetate (3.247%),γ-muurolene (2.969%).Among 72 compounds,57 components were terpenoids and their derivatives,which account for 72.33% in the volatile components of Cananga oil.

Key words: cananga oil, gas chromatography, time-of-flight mass spectrometry, volatile components, retention index