挥发油

Objective: To establish the method of fingerprint analysis on volatile oil in rhizome of Acorus tatarinowii by GC-MS, and to study the main characteristic components.

中文摘要：目的：建立石菖蒲挥发油GC-MS分析色谱条件，初步拟定挥发油指纹特征图谱指标成分群。

Chromatographic fingerprints of amomum tsao-ko in different places were determined by GC-MS, and analyzed by fingerprint similarity evaluation software.

采用GC-MS方法建立草果挥发油指纹图谱，探讨气相色谱－质谱连用技术在草果挥发油质量控制方面应用的可行性。

The results showed that:1 78 volatile constituents were identified in the oil,which were mainly caryophyllene,1,5,9,9-tetramethyl-1,4,7-cycloundecatriene,germacrone,eudesmol and furfural,etc.2 The aroma quality and intensity of cigarette were improved,irritation was reduced,and a...

结果表明：①满山红挥发油中共鉴定出78种挥发性成分，主要有石竹烯、1，5，9，9四甲基-1，4，7环十一碳三烯、杜鹃酮、桉叶醇和糠醛等；②该挥发油具有提高B2F和C3F等香气质和香气量，降低刺激性和改善余味的作用。

The result indicates that those four resuscitation-inducing aromatic herbs mainly contain volatile oil ,and all contain alicyclic compounds; the volatile oil of Borneolum Syntheticum and Styrax both contain Sesquiterpenes of caryophyllene; as resin herbs , Styrax and Benzoinum both contain vanillin, resin ester and balsamic acid .

结果表明，四味芳香开窍药主含挥发油，均含有脂环化合物，并存在一些共有成分，如龙脑冰片与苏合香挥发油中均含有倍半萜类成分石竹烯；苏合香和安息香皆为树脂类中药，两者均含有香荚兰醛成分，尚含树脂酯，香脂酸等。中国论文联盟http：//www.lwlm.com

A good fingerprint of Cinnamomum cassia Presl has been established. The method is reliable, accurate and can be applied for the quality control of Cinnamomum cassia Presl.

GC法建立肉桂挥发油指纹图谱，方法准确可靠，专属性强，特征明显，可用作肉桂挥发油质量控制和鉴别的依据。

The main constituents of the essential oil from the seeds of Schisandra chinensis were found to be Copaene,α-Farnesene and α-Cubebene.Some components such as δ-Selinene,Germacrene B and Germacrene D,etc.,have not been reported before.

五味子种子挥发油的主要成分为烯，α-金合欢烯、α-荜澄茄油烯，与以前报道的果实挥发油成分有所不同。

Methods: The saturated water solution mixing method was compared with microwave method and ultrasonic method by determining the ultilization ratio of the volatile oil in Dalbergia odorifera.

以挥发油包合率为评价指标，比较饱和水溶液搅拌法、微波法及超声波法，以正交实验优选最佳工艺条件，并用TLC对包合前后的挥发油性质进行分析。

Sulfur-containing compounds were found to be the principal components, of which the major compound was diallyl trisulfide with the content of more than 30%, which is higher than the others in the literature.

用峰面积归一化法对各物质的相对含量进行了测定，结果表明含硫化合物约占挥发油总成分的95%以上，其中含量最高的是大蒜新素，约占挥发油总量的三分之一。

ObjectiveTo analyze constituents of volatile oil from Dictamnus dasycavpus.

作者：吴琴，叶冲，宋培浪，韩伟白鲜皮；，，挥发油；，，固相微萃取；，，气相色谱/质谱联用摘要：目的分析白鲜皮挥发油成分。

The essential oil has obvious inhibitory effect against Escherichia coli, Salmonella typhi, Salmonella enteritidis and Staphylococcus aureus.

抱茎蓼花的挥发油中主要以单萜和倍半萜为主，含量较高的组分是石竹烯（12.01 %）、3-己烯-1-醇(10.78%)、α-里哪醇(6.88%)、3-辛烯-3-醇（6.32%）等，其挥发油对大肠埃希菌、伤寒沙门菌、肠炎沙门菌和金黄色葡萄球菌有明显地抑制和灭活作用。

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。