挥发油

Chenpi containing volatile oil, hesperidin, vitamin B, C and other ingredients, it contains the volatile oil of the gastrointestinal tract to stimulate the role of a moderate, can promote the secretion of digestive juice, remove intestinal pneumatosis within increase appetite.

陈皮含有挥发油、橙皮甙、维生素B、C等成分，它所含的挥发油对胃肠道有温和刺激作用，可促进消化液的分泌，排除肠管内积气，增加食欲。

OBJECTIVE To study the chemical constituents of the essential oil from the seeds of Schisandra chinensisBaill.

目的 研究北五味子种子挥发油的化学成分，并与其果实挥发油的化学成分作比较。

OBJECTIVE To study the chemical constituents of the essential oil from the seeds of Schisandra chinensisBaill.

摘 要：目的研究北五味子种子挥发油的化学成分，并与其果实挥发油的化学成分作比较。

Research was conducted on the inhibitory effect of the volatile oil on several plant pathogenic fungi. Fungal colony diameter was measured in the inhibition experiments which indicated the presence of substances with antifungal activity in the roots of Tagetes patula. These results provide a valuable reference for development of fungicides.

对挥发油对几种植物病原菌的抑菌活性作了研究，抑菌实验采用菌落直径法，研究结果表明，万寿菊根的挥发油中含有抑菌活性物质，该实验可为开发新的杀菌剂提供有价值的参考。

The essential oils and its ethanol extract were prepared from Thymus mongolicus, and their contact toxicity against Tetranychus cinnabarinus were studied.

从地椒中提取挥发油及乙醇提取物，研究并比较了地椒乙醇提取物和挥发油对棉红蜘蛛的触杀活性。

The size of round bottom flask, temperature and water addition were the key of volatile oil extraction of C. uncinata, and addition of N-hexane was helpful for the extraction and collection of volatile oil.

圆底烧瓶的大小、温度及加水量是柱果铁线莲挥发油提取的关键，而添加正己烷有利于挥发油的提取与收集。

The volatile oil of C. uncinata was extracted by steam distillation and its chemical composition was analyzed and identified by gas chromatography-mass spectrometry.

方法］采用水蒸汽蒸馏法提取柱果铁线莲挥发油，通过气相色谱-质谱联用技术对挥发油的化学成分进行分析、鉴定。

GC-MS is used for comparative analysis on volatile oil extracted from wild and cultivated Valeriana.

应用GC-MS分析对比研究了野生与人工栽培缬草的挥发油，分别鉴定出52个和45个化合物。2种缬草挥发油的主成分基本相同，含量稍有差异，其差异对其在医药工业上的应用没有影响

The transplant of seedling should be processed after the upgrowth of leaves and root.By using the GC-MS, the chemical composition in root of Valeriana amurensis was analyzed. The avilid components in root of different provenance were similar, and the contents of effective composition in roots were depended on the provenance. Meanwhile, P-Panasinsene was founded in root of Valeriana amurensis for the first time.

用水蒸气蒸馏法提取黑水缬草根部挥发油，并用GC-MS联用仪对其化学成分进行了分析鉴定，结果表明：不同生境、不同产地、不同年份、不同生长方式的黑水缬草根部挥发油的主要化学成分大致相同，人工栽培的黑水缬草有效成分的含量高于野生黑水缬草有效成分的含量，并从中分离出一种在相关文献中未见报道的化学成分—β-人参烯。

Third, volatilizable parts from Hainan Rauvolfia were obtained through water vapor distillation. They were analyzed by GC/MS. The resuts showed that about 10 compounds in the root essential oil were extracted and 9 of them were identified. Fatty acids and phenol ramification are the main types of the compounds.

用水蒸气蒸馏法获得了萝芙木中的易挥发组分，对其进行了GC/MS分析，分析结果表明，萝芙木根挥发油分离出10个峰，鉴定出9种化合物，其主要成分为9-十八烷酸、十六酸，棕榈酸、9，12-十八烷二酸、1H－酚[2，1-b] 喃-1-酮，分别占挥发油总量的25.66%、19.34%、18.12%、17.23%，四者占其总量的80.35%。

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。