水蒸气蒸馏法

超临界CO2萃取和水蒸气蒸馏法提取苍耳子挥发油的比较研究

Comparison on supercritical-CO2 fluid extraction and steam distillation of essential oil from Fructus Xanthi

其提取方法主要有3种：水蒸气蒸馏法、机溶剂浸提法和超临界CO2萃取法。

Three main extracting methods are steam distillation , solvent extraction and super critical CO2 extraction .

花椒挥发油的超临界CO2萃取法与水蒸气蒸馏法提取的比较

Comparison of Essential Oil Compositions of Zanthoxylum bungeanum Maxim . Obtained by Supercritical Carbon Dioxide Extraction and Hydrodistillation Methods

共有成分含量占超临界CO2萃取法提取物总量的81.48%，占水蒸气蒸馏法提取物总量的90.35%。

Percentage of contents of same compounds was 81.48 % in essential oil extracted by supercritical carbon dioxide and 90.35 % in essential oil extracted by steam distillation .

新鲜鳞茎的95%乙醇提取物进行萃取，并与水蒸气蒸馏法提取的挥发油成分进行比较，用GC-MS对其成分进行定性和定量分析。

Were compared with the essential oil obtained by steam distillation from garlic by means of GC-MS. Qualitative and quantitative analyses were carried out .

采用水蒸气蒸馏法提取不同产地轮叶蒲桃叶片挥发油，用GC毛细管柱进行分析，归一化法测其相对含量，并用GC/MS/DS对化学成分进行鉴定。

The volatile oils were extracted by steam distillation and studied by means of the GC / MS / DS , the components were quantitatively determined with area normalization method .

结果：最佳pH值为6.5～7.0，水蒸气蒸馏法优于挥发油提取器法，吐温-80先加比后加效果好。

Selection of Tween 80 . Results : The best pH value is 6.5 ~ 7.0 , water gas is much better than oil extrac - tion , Tween 80 is better more before than after .

方法水蒸气蒸馏法提取北柴胡地上部分挥发油，采用气相色谱-质谱联用（GCMS）技术，分析、鉴定挥发油的化学成分。

Method Water vapor distillation was used to extract the volatile oil from the aerial part of Bupleurum chinense , GC-MS was used to analyze and identify the chemical components of the volatile oil .

得到以下主要结论：①CO2超临界法萃取远志挥发油收率高，可有效避免水蒸气蒸馏法所造成的对有效成分的影响。

The following main conclusions have been drawn : ① CO2supercritical method has high extraction yield of volatile oil from radix polygalae , which can primely avoid the impact of distillation by steam on effective compositions .

采用常压水蒸气蒸馏法提取昆明出产的绿茎和紫茎罗勒精油，含量分别为2.5‰（v／w）和1.3‰（v／w）。

The essential oil of green and purple stem basils grows in Kunming were extracted by general steam distillation with 2.5 ‰ ( v / w ) and 1.3 ‰ ( v / w ) oil yield respectively .

结果表明：直接蒸馏法与水蒸气蒸馏法相比，前者30min的回收率为88.68%，后者23min的回收率为98.09%。

The recovery ratio of vapor distillation and direct distillation in 30 min can reach 98.09 and 88.68 percent .

水蒸气蒸馏法提出成分中还含有25.12%的（+）-2-蒈烯，而SFE法未检测到该成分。

In addition to D-limonene , the steam distillation also identified 25.12 % ( + ) - 2-carene , but it was not obtained by SFE method .

目的：比较水蒸气蒸馏法（SD）和超临界CO2萃取法（SFE-CO2）所提取羌活挥发油的化学成分及其含量。

Objective : To compare the chemical components and their contents of essential oil extracted from Notopterygium incisum by the methods of supercritical CO_ ( 2 ) fluid extraction ( SFE-CO_ ( 2 )) and Steam Distillation .

于屠宰后立即采盲肠内容物10g，用微量水蒸气蒸馏法测定其低碳（1～5C）脂肪酸（VFA）的酸度变化。

After they were slaughtered , their cecal contents were taken immediately for determination of volatile fatty acids of low carbon atom ( 1-5 C ) by micro-steam distillation method .

方法：采用传统的水蒸气蒸馏法与现代的超临界二氧化碳流体萃取（SFE）技术提取麻黄及其蜜炙品中的挥发油，并应用气质联用技术分析两种提取方法提取的挥发性化学成分。

Methods : To extract the volatile oil of Ephedra and Honey-fried Ephedra by steam distillation ( SD ) and Supercritical CO_2 Fluid Extraction ( SFE ), then analysis the extractions by GC-MS.

采用水蒸气蒸馏法分别提取金柚外黄皮和内白皮中挥发性成分，经GC-MS联用分析，分别鉴定出72种和16种化合物。

The essential oils of Citrus Grandis were extracted from the outer yellow and inner white peel by water vapour distillation . Among the essential oils , 72 and 16 compounds were identified by the gas chromatography and mass spectrometry .

目的：比较分析水蒸气蒸馏法与超临界流体萃取法（SFE）提取佛手挥发油的化学成分和相对含量。

Objective : To compare and analyse the chemical compositions and their relative contents of volatile oils from Citrus Bergamot extracted by steam distillation method and supercritical fluid extraction ( SFE ) method .

方法：研究了超临界流体提取法（SFE）及水蒸气蒸馏法（SD）所得杜香挥发油的收率及组分变化，并采用GC-MS联用技术进行分析。

Methods : We compared the yield and component change of the volatile oil of Ledum palustre by supercritical-CO_2 fluid extraction ( SFE ) and by steam distillation ( SD ) respectively , and the volatile oil has been analyzed qualitatively and quantitatively by GCMS .

利用超临界CO2萃取技术和水蒸气蒸馏法提取熏衣草精油，用GC-MS技术对其进行化学成分分析，分别鉴定出34种和29种化合物，占出峰物质总数的95.51%和98.39%。

The essential oils were obtained by supercritical CO_ ( 2 ) extraction and hydrodistillation from lavender . The chemical components of essential oils were determined by GC-MS technique , 34 and 29 compounds were identified covering 95.51 % and 98.39 % of total peak area of substances appeared .

对不同提取工艺得到的八角茴香产品的得率及质量进行了分析比较，结果显示：SFE-CO2法产品得率高，为10.5%，而水蒸气蒸馏法仅为7.5%。

The yield and properties of the products obtained with the above two extracting methods were compared and analyzed . The result showed that the yields were 10.5 % and 7.5 % respectively , that of SFE-CO_2 method was higher .

采用水蒸气蒸馏法提取木粉中的精油；

The essential oil from wood was extracted by steam distillation .

方法水蒸气蒸馏法。

Methods : The naphtha was extracted by steam distillation .

方法：采用水蒸气蒸馏法从菱壳中提取挥发油，用气相色谱-质谱法对化学成分进行鉴定，用面积归一化法测定其相对百分含量。

Method : Water steam distillation and GC - MS were used .

并与水蒸气蒸馏法进行了对比。

And make a comparison with method of distillation .

结果水蒸气蒸馏法更有利于白术挥发油的提取；

Results Water distillation method was good for the extraction of essential oil .

以水蒸气蒸馏法从牡丹皮中提取丹皮酚；

Paeonol was extracted from peony by steam distillation .

微量水蒸气蒸馏法测定家兔盲肠内容物的酸度

To determine the acidity of cecal contents of rabbit by Micro-Steam distillation method

水蒸气蒸馏法提取丹皮酚的研究

Studies on the extraction of paeonol by steam distillation

水蒸气蒸馏法提取佛手挥发油的工艺研究

Study on the extract technology of bergamot essential oil by water vapor distillation

本文采用水蒸气蒸馏法提取了生姜挥发性成分，并用GC/MS方法对提取的挥发性成分进行了鉴定。

Steam distillation method was used to extract the essential oil of ginger .