ObjectiveTo study the chemical constituents of essential oil from Daucus carota L.from Guizhou Province.

目分析鹤虱风挥发油成分。

Conclusion: The resuscitative effect of naphtha is resulted from the comprehensive action of multiple components.

论石菖蒲挥发油开窍醒神作用可能是多个成分综合作用。

OBJECTIVE The optimal extraction and clathration craft of Rhizoma Atractylodis oil in Jianpizhixie Granulas were investigated in this study.

目优选健脾止泻颗粒中苍术挥发油提取工艺及包合工艺。

Modern medicine research indicates that honeysuckle contain chlorogenic acid, flavonoid substance, lonicerin, cyclohexanehexol, minim naphtha and so on.

现代医学研究表明：金银花含绿原酸、酮类物质、忍冬甙、肌醇及微量挥发油等。

Definition: Nutmeg oil is obtained by steam distillation of the dried and crushed kernels of Myristica fragrans Houtt.

本品为肉豆蔻科植物肉豆蔻树Myristica fragrans Houtt.压碎新鲜仁经水蒸气蒸挥发油。

Objective:to study the chemical constituents of the essential oil of Inula helenium L.were extracted by steam distillation(SD)and supercritical-CO2 fluid(SFE).

研究土木香挥发油化学成分,并比较水蒸气蒸提取(SD)与超临界CO2萃取(SFE)所土木香挥发性成分差异。

Conclusion: The main constituents of the volatile oil in Rubus chingii Hu are hexadecanoic acid (28.23 %) and ambrettolide (26.24 %).

覆盆子挥发油主要成分为正十六酸、葵内酯,分别占挥发油总量28.23%和26.24%。

The maximum inhibition rate of the extract on the formation of N-nitrosodimethylamine and NO2-elimination capabilities of coriander leaf essential oil was 70.

研究了超声波法提取芫荽茎叶挥发油以及挥发油对N-亚硝基二甲胺合成阻断作用和对亚硝酸钠清除作用。

Results Forty-seven components were identified and Caryophyllene oxide, Spathulenol, Cyclododecane and Dodecanoic acid were found to be the major components of the essential oils.

从贯叶连翘挥发油中鉴定了47种化合物,其氧化石竹烯、斯巴醇、环十二烷、月桂酸等化合物为贯叶连翘挥发油主要成分。