蓝布正挥发油化学成分的GC-MS分析

研究贵州产蓝布正（Herba Gei）挥发油的化学成分，采用水蒸气蒸馏法提取蓝布正挥发性成分，用气相色谱－质谱进行分离测定，结合计算机检索技术对分离的化合物进行鉴定，应用色谱峰面积归一化法测定各成分的相对含量；水蒸气蒸馏提取物得率是0．10％，共分离出103种成分，鉴定出40个化学成分，其主要成分为脂肪酸及其甲酯类化合物、萜烯类及其含氧衍生物等，主要有棕榈酸（13．2％）、11，14，17－二十碳三烯酸甲酯（10．4％）、亚油酸（8．6％）、石竹烯氧化物（3．9％）、丁子香酚（3．4％）和反式－植醇（3．2％）等。

Analysis of Chemical Constituents of Volatile Oil from Herba Gei by GC- MS

Chemical constituents of the volatile oil from Herba Gei originated from Guizhou Province were studied. The volatile oil was obtained by steam distillation with extraction rate of 0.10%. The chemical constituents of the volatile oil were analyzed by GC-MS, and their relative contents determined by area normalization, 103 compounds were separated, and 40 of them were identified. Fatty acids and their methyl esters, terpenes and their oxo_derivatives are the major chemical constituents in the oil, including palmitic acid(13.2%), 11,14,17- eico_satrienoic acid methyl ester(10.4%), linoleic acid(8.6%), caryophyllene oxide(3.9%), eugenol(3.4%) and trans- phytol(3.2%).