异叶青兰挥发油成分分析

ANALYSIS OF ESSENTIAL OIL OF DRACOCEPHALUM HETEROPHYLLUM BENTH

目的:对维族、藏族传统用药异叶青兰挥发油成分进行分析研究。方法:用水蒸汽蒸馏法提取异叶青兰挥发油并通过气相色谱/ 质谱技术对其进行分析鉴定。结果:已鉴定出86 种成分,含有大量萜类化合物。并对其药效进行初步分析。挥发油中具有平喘,镇咳、杀菌等功效的药用成分约占总量的60 % ,其中香茅醇含量高达50-7% ,其次为芳樟醇、香茅醛、桉油精、石竹烯等。结论:异叶青兰不仅具有重要的药用价值。

AIM: To study the chemical components of essential oil of the Chinese medicinal herb Dracocephalum heterophyllum Benth. METHODS: The essential oil was extracted by steam distillation and analyzed by GC/MS. RESULTS: 86 compounds have been identified which contains a large number of terpenes. The medicinal effects of these compounds have been analyzed preliminarily. CONCLUSION: Of the total compositions, the essential oil of Dracocephalum heterophyllum Benth contains about 60% medicinal compounds, with antiasthmatic, anticoughing and disinfectant actions. Among them the content of citronellol reached 50 7%, then followed by linalool, citronellal, eucalyptol and caryophyllene etc. Therefore, Dracocephalum heterophyllum Benth is a kind of valuable plant not only for its medicinal value but also for its economical benefit.