Relationship between volatile fatty acids in gingival crevicular fluid and Porphyromonas gingivalis A parulis, or gum boil, may be present near the involved tooth. 龈沟液中有机酸与龈下牙龈卟啉单胞菌间的关系在患病牙齿附近可见齿龈脓肿或齿龈疖。
Objective To optimize the extracting method and technological parameters of nonpolar substances such as volatile oils in Fructus evodiae with supercritical fluid extraction ( SFE-CO2) technique. 目的优选吴茱萸中挥发油等非极性物质的超临界CO2流体提取(SFE-CO2)方法及工艺参数。
Empirical Study on the Extraction of Volatile Rose Oil by Supercritical Fluid Extraction 超临界流体萃取法提取玫瑰挥发油的实验研究
Conclusion It is feasible that establishment GC-MS fingerprinting of volatile components by Supercritical Fluid Extracts-CO2 in Changjian Fang. 结论用GC-MS法测定肠激安方中超临界CO2萃取物挥发性成分的方法可行。
Study on Volatile Compounds from Gardenia jasminoides Ellis by Supercritical Fluid Extraction 中药栀子超临界萃取物的挥发性成分研究
Aim To study the chemical components of the volatile from Scutellaria barbata D. Don by supercritical fluid extraction of CO 2, and to superficially discuss the relations of the chemical components and their antitumor activity. 目的用正交试验优选超临界CO2萃取半枝莲挥发油成分的提取方法,并对萃取产物的化学成分与抗肿瘤活性的关系进行初步探讨。
OBJECTIVE: To extract volatile rose oil by the supercritical fluid extraction technology. 目的:采用超临界流体萃取技术提取玫瑰挥发油。
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。
During the process of the cooling-evolution, volatile components were released from the primitive mantle to have formed the supercritical fluid sphere later. 在此过程中,原始地幔逸出挥发性物质,形成了地球的超临界流体圈。
Proximate analysis of volatile oil of Magnolia liliflora by supercritical co_2 fluid extraction 超临界CO2流体萃取辛夷精油的组分分析
Analysis of Volatile Components in Essential Oil of Radix Angelicae Dahuricae of Supercritical Fluid Extraction by Gas Chromatography/ Mass Spectrometry 超临界萃取中药白芷的化学成分的气相色谱-质谱分析
Studies on Isolating Volatile Oil of Torreya Grandis by Supercritical& CO_2 Fluid Extraction 超临界CO2流体萃取榧树假种皮挥发油化学成分的研究
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. 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: 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. 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。
β-Elemene from volatile oil of Curcuma kwangsiensis by supercritical fluid extraction 超临界流体萃取广西莪术挥发油中β-榄香烯
Method: The volatile oil was extracted through Supercritical-CO 2 Fluid Extraction ( SFE-CO 2), and epileptic models were built up by kainic acid ( KA) lateral ventricle injection. The content of amino acid in hippocampus of epileptic rats treated with volatile oil was calculated. 方法:用超临界CO2萃取法(SFECO2)提取石菖蒲挥发油,脑室内注射海人酸(KA)建立大鼠癫痫模型,观察经挥发油治疗后的癫痫大鼠海马氨基酸含量的变化。
Comparison of volatile oil from 4 kinds of herbs by steam distillation and supercritical fluid extraction 川芎、高良姜等挥发油的水蒸汽蒸馏法和超临界流体萃取法比较研究
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. 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。
Extraction of Volatile Oil from Marchantia Convoluta by CO_2 Supercritical Fluid Extraction and Analysis by GC-MS 拳卷地钱挥发油的CO2超临界流体萃取及GC-MS分析
In the experimental section, the phase behaviour of a solute ( volatile)/ SC-CO2/ polymer ternary system and the distribution coefficients of solute between supercritical fluid phase and polymer phase were investigated. 作为本论文的重要研究内容之一,对溶质(挥份)-超临界流体-聚合物三元体系相平衡及溶质在流体相与聚合物相的分配系数进行了实验研究和模型分析。