The Saussurea involucrata chemical composition was: alkaloid, flavanone, sterol, volatile oil, 16 kind of amino acids, Saussurea involucrata lactone and so on.

雪莲化学成分为：生物碱、黄酮、甾醇、挥发油、16种氨基酸、雪莲内酯等。

Method: Analyzing the content of volatile oil by pharmacopoeia method.

方法：用药典方法对挥发油进行含量测定。

Methods The volatile oil was obtained from PPFA by steam distillation.

方法采用水蒸气蒸馏法从枳壳中提取挥发油。

OBJECTIVE:To analyze qualitatively the volatile oil in Perilla leaves.

目的：定性分析紫苏叶的挥发油。

Pepper seeds contain volatile oil, resins, piperine, fat, protein, etc.

胡椒中含有挥发油、树脂、胡椒碱、粗脂肪、粗蛋白等。

Objective: To design a device to assay the dynamics model of volatile oil.

前言： 目的：设计一种中药材挥发油提取过程中动力学模型的测定装置。

Objective: To analysis compositions of the volatile oil in Origanum vulgare.

目的：分析牛至挥发油中的化学成分。

The sticky mixture of resin and volatile oil from which turpentine is distilled.

松油树指松腊和易挥发的油的粘稠的混和物。

OBJECTIVE Onto analyze the volatile oil chemical composition from lycopodii herb.

目的：分析伸筋草中挥发油化学成分。

OBJECTIVE To study the kinetics of volatile oil dispersion from Gagula-4 decoction.

目的研究蒙成药嘎咕拉- 4汤中挥发油散失的动力学规律。

OBJECTIVE To identify the compositions of volatile oil from Youyang Artemisia annul .

目的鉴定酉阳青蒿挥发油的化学成分。

The relative contents in the volatile oil were determined by peak area normalization.

应用峰面积归一化法测定各成分的相对含量。

Objective To study the inclusion conditions for volatile oil from Danfu Tongmai Granules.

目的研究丹附通脉颗粒中挥发油的包合条件。

ObjectiveTo ensure the optimal inclusion technology for volatile oil of Biyuanling Granule.

目的确定鼻渊灵颗粒剂中混合挥发油包合最佳工艺路线。

Objective:To analyze the chemical compositions of volatile oil from Sparganium Stenophyllum.

目的：分析细叶黑三棱挥发油的化学成分。

Objective To determine the optimal inclusion technology for volatile oil of Simotang Granules.

目的确定四磨汤颗粒剂中混合挥发油包合工艺最佳路线。

The volatile oil in BHD was extracted by microwave radiation and SDE method with yield of 1.40%.

运用微波照射。 同时蒸馏萃取法提取汤剂的挥发油，挥发油的收率为1.40%。

Conclusion The volatile oil of Bidens pilosa L are also active or synergistic action components.

结论白花鬼针草的挥发油成分也是活性成分或具有协同作用的成分。

METHOD: To extract the volatile oil by steam distillation or supercritical fluid extraction (SFE).

方法：用水蒸汽蒸馏法和超临界流体萃取的方法提取挥发油。

Results showed that content of volatile oil was decreased and its quality changed after processing.

结果表明，炮制后挥发油含量减少，质量发生变化。

Oil projects look increasingly pricey and risky-and they will always depend on a volatile oil market.

石油项目看起来越来越费钱，风险也越来越大，也将长期依赖变动不定的石油市场。

Objective: To establish the relationship equation of yield and extraction time of plant volatile oil.

目的：建立植物挥发油提取量与提取时间关系式。

Objective To set up a method of extraction and analysis of volatile oil from Rhizoma curcumaesediment.

目的建立一种莪术挥发性成分的提取和分析的方法。

Objective: to explore Chaihu injection volatile oil content and the best technology to improve clarity.

目的：探索提高柴胡注射液挥发油成分含量和改善澄明度的最佳工艺。

Objective: To optimize the extraction process of volatile oil in Jiruhen-8 dripping pills by orthogonal design.

目的：采用正交试验法优选吉如痕- 8滴丸中挥发油的提取工艺。

Method: The content of volatile oil of three kinds of prepared products with different origins were determined.

方法：对三种不同来源的不同炮制品中挥发油含量进行测定。

Objective:To establish the conditions for the supersound extraction of volatile oil from Valeriana amurensis Smirn.

前言： 目的：研究超声法萃取黑水缬草精油的实验条件。

The resulting beverage will contain enough of the various ingredients, including the volatile oil, to be truly effective.

浸泡出来的茶饮料将含有足够的各种成分，包括真正有效的挥发油。

Methods: The separation and identification of volatile oil of Anaphalis Margartacea were carried out by GC MS method.

方法：采用GC MS联用法对珠光香青挥发油的化学成分进行分离和鉴别。

Orthogonal design was used to screen the best extract method and moulding method for Volatile oil, Musk and cow-bezoar.

采用正交设计方法筛选干姜、霍香挥发油、麝香、牛黄的最佳提取工艺和成型工艺。