水蒸气蒸馏

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

3对山茱萸超临界CO2提取物与水蒸气蒸馏提取物的化学成分采用气相色谱-质谱技术（GC-MS）进行了初步鉴定。

The chemical compositions of water vapor distillation extracts and SFE-CO2 extracts are identified with GC-MS preliminarily .

采用乙醇和丙酮溶剂抽提、CO2超临界萃取（SFE）以及水蒸气蒸馏（SD）的方法提取古蓬香脂乳胶。

Galbanum latex was extracted by ethanol , acetone , supercritical carbon dioxide and steam distillation .

采取超临界CO2萃取和水蒸气蒸馏提取荷叶挥发油，利用GC-MS对它们进行了定性、定量分析。

The volatile oils of lotus leaves extracted with supercritical CO_2 and stream distillation were analyzed qualitatively and quantitatively by GC-MS.

采取超临界CO2、微波和水蒸气蒸馏三种方法提取艾叶挥发油，利用GC-MS分析了不同方法提取的艾叶挥发油指纹图谱。

The volatile oils of the leaves from Artemisia argyi were obtained with supercritical CO2 . microwave and stream distillation .

水蒸气蒸馏提取与粉末顶空直接进样GC-MS分析吉林细辛的挥发性成分

GC-MS Analysis for Volatile Compounds of Herba Asari from Jilin Province Obtained by Steam Distillation or Headspace Injection

方法应用水蒸气蒸馏、超声两种方法，提取挥发油，运用GC-MS技术，结合计算机检索鉴定其化学成分，并计算出各组分的相对含量。

METHODS The chemical constituents were separated and identified by GC-MS. The relative content of each constituent was determined by area normalization .

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 .

方法通过水蒸气蒸馏，利用GC-MS进行分析，采用相对保留指数对化合物进行定性，用峰面积归一化法进行定量。

MethodsBy steam distillation and GC-MS analysis methods , chemical compounds were analyzed qualitatively using relative reservation index , and analyzed quantitatively by area normalization .

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 .

丁香油的传统提取方法为水蒸气蒸馏和有机溶剂提取等，近年来新兴的超临界CO2萃取技术被认为是提取天然植物挥发油的高效洁净工艺。

Traditional extraction methods for clove oil are steam distillation and solvent extraction . Supercritical carbon dioxide extraction ( SFE ) is considered as a new and green process for the essential oil extraction .

方法利用水蒸气蒸馏提取党参挥发油的方法，分别提取党参片、米炒党参、麸炒党参，利用GC-MS联用技术对挥发油成分进行分离鉴定。

Method : Extract volatile oil from green , stir-baked with rice and bran Codonopsis pilosulaby by wet distillation method , and separate and identify them by GC-MS technique .

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 .

溶剂萃取法提取的主要是烷烃类化合物，水蒸气蒸馏萃取法提取的主要化合物为C6醛类、C6醇类、内酯类、萜烯醇类、酮类、烷烃类等。

C_6 aldehydes , C_6 alcohols , lactones , terpenic alcohols , ketones and hydrocarbons were the major constituents by steam distillation-extraction , meanwhile hydrocarbons were the dominant constituents in the solvent extraction samples .

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GC&MS技术对薰衣草的超临界CO2萃取物的化学成分进行了分析，共鉴定出34种化合物，他们的含量占出峰物质总量的95.51%。同时与水蒸气蒸馏产物的组成进行了比较。

The chemical composition of supercritical CO2 fluid extract of the lavender was studied by GC-MS technique , 34 compounds identified cover 95 . 51 % of total peak area of substances appeared , and then compare with the essential oil gained by steam distillation .

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 .

用GC-MS分别对超临界CO2萃取物和水蒸气蒸馏精油的化学成分及相对含量进行了测定，共鉴定出31种化合物，其中超临界CO2萃取物中31种，水蒸气蒸馏精油中26种。

Chemical constituents and their relative contents of the SCFE-CO_2 extract and steam distillation oil were measured by GC-MS , and 31 chemical constituents were identified , in which 31 compounds existed in the SCFE-CO_2 extract , 26 compounds existed in the steam distillation oil .

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 .