青海产唐古特青兰鲜花和新鲜枝叶的精油成分分析  

Analysis on constituents in essential oil from fresh flower,fresh branch and leaf of Dracocephalum tanguticum collected from Qinghai

作　　者：肖远灿[1] 谢顺燕 董琦[1] 胡风祖[1] 

机构地区：[1]中国科学院西北高原生物研究所,青海西宁810008 [2]青海师范大学化学系,青海西宁810001

出　　处：《植物资源与环境学报》2015年第3期112-114,共3页Journal of Plant Resources and Environment

基　　金：中国科学院知识创新工程重要方向项目(KSCX2-EW-J-26)

摘　　要：唐古特青兰（Dracocephalum tanguticum Maxim.）又名甘青青兰,为唇形科（Lamiaceae）青兰属（Dracocephalum Linn.）多年生草本植物,主产于中国西藏东南部、青海东部、四川西部和甘肃南部。The essential oils from fresh flower and fresh branch and leaf of Dracocephalum tanguticum Maxim. from Qinghai were extracted by steam distillation method. And their chemical components and relative contents were identified and analyzed by GC-MS. The results show that the yield of essential oils from fresh flower and fresh branch and leaf is 0.51% and 0.33%, respectively; and there are some differences in their composition and relative content. 59 and 44 constituents are identified in essential oils from fresh flower and fresh branch and leaf with accounting for 94.00% and 92.40% of total relative content, respectively. In which, relative content of linalyl acetate is the highest from fresh flower and fresh branch and leaf, with relative content of 31.67% and 36.16%, respectively. In addition, constituents with relative content over 1% are linalool, α-terpineol, eucalyptol, germacrene D, geranyl acetate and neryl acetate, etc.

关 键 词：唐古特青兰 鲜花 新鲜枝叶 精油 成分 

分 类 号：Q946.8[生物学—植物学] S573.9[农业科学—作物学]