挥发油

ObjectiveTo study the acute toxicity of water soluble extract and the volatile oil of Coleus amboinicus Lour. in mice.

目的对到手香进行毒理学研究，包括到手香水提液急性毒性实验和到手香挥发油急性毒性实验。

The optimum conditions of preparation of inclusive compound were the proportion of 1∶6 (volatile oil and βCD),3 hours of inclusion and ordinary temperature.

选出的提取和包合条件达到了挥发油收得率最高和包合收率较高，并且包合效果好的目的。

The essential oil of coriander seed s was extracted by the simultaneous distillation extraction method.

采用同时蒸馏萃取的方法，对芫荽籽中的挥发油进行提取，并用GC/MS法对其进行分离和鉴定。

Most of the MICs of cumin oil were among 2%~1% according to 8 tested strains.

采用琼脂稀释法探得出孜然挥发油和孜然醇提物的最低抑菌浓度。

The HELP method can greatly improve the reliability of the qualitative and quantitative analysis of essential oil. A. macrocephala from various habitats showed the common peaks and differentiae.

结果 水蒸气蒸馏法更有利于白术挥发油的提取；HELP法较好地克服了色谱峰重叠对定性、定量的影响；不同产地的白术有共同的特征峰和不同点。

You'll also need a pack of wicks, a candle mold, a double boiler, a cooking thermometer, essential oil, and dye suitable for candle making if you want color.

您还需要一包芯，蜡烛模具，双锅炉，烹饪温度计，挥发油，染料，适合蜡烛如果您想要的颜色。

After this, the AL4 elicitor concentration and handling time were optimized for improving the essential oil yield in suspension cells of A.

此后以茅苍术悬浮细胞挥发油产量为指标，优化了内生真菌AL4诱导子添加浓度和诱导子诱导时间这二个因素。

The optimized technological condition for the extraction of nonpolar substances such as volatile oils in Fructus evodiae with SFE-CO2 technique was as follows: pressure of 26 MPa,temperature of 40 ℃,entrainer of 95 ％ alcohol and extraction time of 1.5 h .

吴茱萸用SFE-CO2提取挥发油等非极性物质的工艺条件为：提取压力26 MPa，温度40℃，夹带剂95％乙醇，提取时间1.5 h。

A new technology, Supercritical Fluid CO_2 Extraction, was also supplied to study the plant. The technological parameter was optimal. Total extract of SFE-CO_2 were 4.86 times of the essential oil extracted by SDE, main active extracted constituents were 1.36% high than SDE. The chemical constituents of SFE-CO_2 were also analyzed by GC-MS. 57 constituents were identified, 29 constituents of them were first discovered. 24 constituents were discovered in two extract. Fingerprint is a good technology to elevate the quality of herb medicine. The main active fraction can be extracted by SDE and SFE, Fingerprint was studied respective, chromatographic parameter was acquired. 22 peaks were assigned common peaks in the spectrum of essential oil, 17 peaks were assigned to common peaks in the spectrum of SFE extract.

采用现代共性关键技术超临界CO_2萃取技术，通过正交试验，优选了超临界CO_2提取牛至挥发油的工艺，并与传统的水蒸气蒸馏法进行了比较研究，结果显示：前者提取有效部位的收率为后者的4.87倍，主要有效成分的转移率是后者的1.36倍；采用GC-MS分析方法和NIST质谱库检索，对SFE和SDE所提化学成分进行比较，SFE分离鉴定了57种化合物，占提取物总含量的86.96％，其中29种化合物为首次从该植物中鉴定；后者分离鉴定了69个化合物，占提取物总量的98.28％，其中27种化合物为首次从该植物中鉴定；两种方法的提取物中共有成分25种，包括主要有效成分麝香草酚、香荆芥酚、对聚伞花素等。

The study on the allelopathic effects and chemical components of the essential oil from Eucalyptus grandis×E.

对巨尾桉挥发油对真菌和昆虫的化感潜力及其化学成分进行了研究。

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。