[目的]研究黄芩地上部分的挥发油的化学成分.[方法]用水蒸气蒸馏得到挥发油,运用GC-MS技术,结合计算机检索对具体化学成分进行了分析和鉴定.用峰面积归一法计算了各个组分的相对含量.[结果]分离鉴定了其中37个化合物,占挥发油总量的85.03%.[结论]黄芩挥发油中含量在3%以上的组分有:烯丙醇(5.53%)、苯乙酮(4.62%)、石竹烯(18.90%)、α-律草烯(3.99%)、香叶烯D(19.44%)、γ-榄香烯(6.23%)、1-乙烯基-1-甲基-2-(1-甲基乙烯基)-4-(1-甲基亚乙基)-环己烷(3.98%).%[Objective] The paper aimed to study the chemical constituents of the essential oil from Scutellaria baicalensis Georgi. [Method]The essential oil was obtained from steam distillation. Chemical components were separated and identified by GC-MS. The relative content of each component was determined by peak area normalization. [Result] Thirty-seven volatile compounds were isolated and identified, accounting for 85.03 % of the total oil.[ Conclusion] The main compounds essential oil with contents over 3%(V/V) were as follows: Amyl vinyl carbinol( 5.53 %); Acetophenone(4.62%); Caryophyllene(18.9%);α-Caryophyllene (3.99%);Germacrene D(19.44%);γ-Elemene(6.23%);7a-dimethyl-4-(1-methylethenyl)-1,4-Methano-1H-indene, octahydro-1(3.98%).
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