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用气相色谱—质谱—计算机联用系统对正安大八角叶精油化学组成进行了定性、定量研究，共鉴定了36个成分，占精油总组成的83．6％。
Gas chromatography-mass spectrometry-computer combined system was used to qualitatively and quantitatively study the chemical composition of Octaocereus essential oil. A total of 36 components were identified, accounting for 83.6% of the total essential oil composition.