采用常压水蒸气蒸馏法提取了杉木根精油 ,用GC、IR、NMR、GC MS等方法对该油进行了定性定量分析 .在分出的 112个色谱峰中共鉴定出 52个化合物 ,占该精油总量的96 .87% .其中含有α 蒎烯、柠檬烯、对伞花烃、α 松油醇、α 柏木烯、α 白菖烯及 β 榄香烯等 ,其主要成分为柏木醇 (39.4 8% ) . Cunninghamia lanceolata root essential oil was extracted by steam distillation at atmospheric pressure, and the oil was qualitatively and quantitatively analyzed by GC, IR, NMR, GC and MS.A total of 52 compounds were identified in the 112 peaks, It contains 96.87% of the total essential oil, which contains α-pinene, limonene, p-cymene, α-terpineol, α-cedrene, α-caryophyllene and β-elemene. 8% ) .