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。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。