Head-space Extraction-GC/MS Determination of Chemical Components of Volatile Oil from Verbena
摘 要
采用顶空萃取-气相色谱-质谱法分离和鉴定马鞭草挥发油化学成分,用归一化法测定其相对含量.鉴定出64个组分,其含量占总挥发油组分峰面积的97.76%.主要成分是乙酸(3.55%)、芳樟醇(4.41%)、反-石竹烯(9.30%)、反-β-金合欢烯(3.99%)、律草烯(5.61%)、α-姜黄烯(8.50%)、十五烷(8.48%)、γ-芹子烯(3.75%)、β-没药烯(5.66%)、β-杜松烯(3.57%).
Abstract
Conditions for head-space extraction were given,and the volatile oil in the sample was introduced into the hyphenated GC/MS instrument for separation and identification of its chemical components.The relative contents(in %) of the components were determined using the method of normalization.Seventy four components were found in the separation,among which 64 components were identified.The sum of peak areas of the identified components was found to account for 97.76% of the total peak areas of components in volatile oil.The main compounds among the 64 components are the following: acetic acid(3.55%),linalool(4.41%),α-humulene(5.61%),trans-caryophyllen(9.30%),trans-β-farnesene(3.99%),α-curcumene(8.50%),pentadecane(8.48%),γ-selinene(3.75%),β-bisabolene(5.66%) and β-cadinene(3.57%).
中图分类号 O657.63
所属栏目 工作简报
基金项目 贵州省黔南民族师范学院2007年度重点资助自然科学类项目(2007216)
收稿日期 2007/2/20
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备注杨再波(1976-),男,贵州石阡人,硕士,讲师,主要从事有机化学的教学及天然产物化学的研究工作.
引用该论文: YANG Zai-bo. Head-space Extraction-GC/MS Determination of Chemical Components of Volatile Oil from Verbena[J]. Physical Testing and Chemical Analysis part B:Chemical Analysis, 2008, 44(6): 514~516
杨再波. 顶空萃取-气相色谱-质谱法分析马鞭草的挥发油组分[J]. 理化检验-化学分册, 2008, 44(6): 514~516
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