挥发油

Water distillation method was used for extracting the volatile oil in the Aucklandia lappa Decne.

采用水蒸气蒸馏法从木香中提取挥发油，用气相色谱-质谱联用仪对木香挥发油进行化学成分的分析。

The volatile oil from Lygodium japonicum was prepared by water vapor distillation method and its chemistry composition was analysed by GC/MS. The fingerprint of the volatile oil was established by gas chromatography and its methodology was investigated.

通过水蒸气蒸馏法制备海金沙挥发油，用GC/MS分析了挥发油乙醚萃取物的化学成分，构建了海金沙的气相色谱指纹图谱，并进行了方法学考察。

With the yield of volatile oil as indexes, and water volume, soaking time and extracting time as factors, the optimal extracting condition for volatile oil from Radix Angelicae Sinensis, Olibanum, Olibanum, Radix Curcumae, Rhizoma Cyperi and Radix Bupleuri was investigated.

以加水量、浸泡时间、提取时间作为考察因素，以挥发油收率为考察指标，优选当归、乳香、没药、郁金、香附、柴胡中的挥发油提取工艺。

Objective］ The research aimed to optimize the extraction process of volatile oil from the pine needle of Pinus massoniana and analyze the constituents of volatile oil.

［目的］优选马尾松松针挥发油的最佳提取工艺，并对挥发油中化学成分进行分析。

In the total essential oil of the rhizome and root of N.

这与狭叶羌活根茎和根的挥发油中单萜和倍半萜类化合物分别占总挥发油中化学成分的13·63%和67·93%不同。

Adopt orthogonal experimental design to optimize chemical technology of detaching safrole and refining citral from Zhejiang volatile oil;use compacting method to prepare soft capsule and research making craft condition;use gas chromatography to Zhejiang volatile oil, take off poisonous oil an...

采用正交试验设计对用化学法从者姜挥发油中除去黄樟醚及精制柠檬醛进行工艺优选；采用压制法制备软胶囊，研究制备工艺条件；用气相色谱法对者姜挥发油、脱毒油和者姜心脑康软胶囊进行质量控制，建立质量标准。

All of essential oil from stem, flower, leaf, root, nutlet and seedcase contain n-Hexadecanoic acid, which respective accounted of the essential oil for 11.11%, 59.89%, 3.70%, 18.74%, 21.20% and 55.45%.

蝴蝶果茎、花、叶、根、果仁及果皮挥发油的共有化合物为正十六烷酸，各占挥发油总量的11.11%、59.89%、3.70%、18.74%、21.20%及55.45%，化合物的主要类型为脂肪酸及其酯。

In leaves,chloroplast not only has photosynthesis,but also is the main synthesis site of essential oil,and essential oil is permeated into small vacuole to store.

在叶中，叶绿体不仅行使光合作用功能，而且还是挥发油的主要合成场所，合成的挥发油以渗透的方式进入小液泡内储存起来。

After the studies on the fruit of Viburnum sargentii Koehne, it is showed that it has the effect to the cough and it has no toxicity; The active part is the acidity part. Through the GC-MS, we obtain 23 compounds from the volatile oil. By HPLC analytical method, the content of chlorogenic acid is 0.82%.

本文通过对小鼠氨水引咳实验和急性毒性实验，证明了本品的止咳作用，并且没有毒性；在有效部位的筛选中，确定其有效部位为NaOH洗脱部分；在挥发油的成分测定中，共分离出32个峰，鉴定出23个化合物，占挥发油总量的95％以上；在绿原酸的含量测定中，测出其绿原酸含量为0.82％。

Medthods:Volatile oil of chive was extracted by means of water-vapour distillation and its chemical components were assayed by capillary gas thromat ography-mass spectrometry.

用水蒸气蒸馏法提取韭菜中韭菜的根茎、韭菜叶、韭菜花挥发油，并用毛细管气相色谱/质谱法，鉴定出其挥发油的化学成分。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。