The volatile oil was obtained from seeds of by steam distillation. The average yield was 0.35%. The volatile oil was analyzed by GC/MS, and fifty-five compounds, which occupied 83.74% of the total oil, were identified. The principal compositions of the volatile oil were: Trans-linaloloxide (8.94%), Phenylethyl alcohol (8.81%), Cis-linaloloxide (7.11%), Germacrene D (5.16%) and β-Bisabolene (3.52%).