Methods:Oral liquid was made by steam distillation, alcohol abstraction method, water abstraction and alcohol precipitation.
方法:分别采用水蒸气蒸馏法、醇提法、水提醇沉法制成口服液;
Conclusion: Steam distillation is the most proper extraction method of paeonol from cortex moutan.
结论:直接水蒸气蒸馏法可以作为实验室提取丹皮酚的最佳方法。
Steam distillation yields a dark orange-brown essential oil with a unique and complex aroma.
蒸汽蒸馏出来的藿香油是一种深棕橘色精油,带有独特而复杂的气味。
OBJECTIVE: To evaluate the solid-phase microextraction versus Steam distillation in the extraction of volatile oil in Jatamans Valeriana Rhizome.
目的:比较固相微萃取法与水蒸气蒸馏法提取蜘蛛香挥发油成分的差异。
The benzole is then recovered from the oil by steam distillation and stored prior to dispatch off site for sale.
然后用水蒸汽蒸馏将粗苯从油中进行回收,再加以储藏、分送出厂销售。
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。
The aromatic oil in 33 samples of Perilla collected from China and Japan is studied by using steam distillation.
采用水蒸气蒸馏法研究了中国和日本各地的33份紫苏试材芳香油的含量。
The essential oil from Rabdosia nervosa seeds was extracted by steam distillation.
水蒸汽蒸馏法从显脉香茶菜籽中提取挥发油。
The essential oils of leaves from Eucalyptus camaldulensis and Eucalyptus benthami were extracted by steam distillation and their chemical constituents were determined by GC-MS method.
用水蒸气蒸馏法提取了赤桉叶和本泌桉叶精油,通过气相色谱-质谱(GC-MS)联用法分析鉴定了二者的化学成分及质量分数。
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。
In the new process of synthesis of vanillin with bromine, the bromine in the wastewater is retrieved by steam distillation. As a result, the bromine consumption is reduced.
在溴法合成香兰素新工艺中,用水蒸汽蒸馏法回收萃余相中的溴,降低了溴的消耗定额。
The essential oil from wood was extracted by steam distillation.
采用水蒸气蒸馏法提取木粉中的精油;
ConclusionCompared with steam distillation, the supercritical carbon dioxide extraction showed many advantages, such as short extraction time and high extraction yield.
结论与水蒸汽蒸馏法相比较,超临界萃取法具有萃取率高、耗时少等优点。
The volatile oil was extracted from Cinnamomum wilsonii leaf and twig with the steam distillation and the yield was 1.
采用水蒸气蒸馏法从川桂叶和嫩枝中提取挥发油,出油率分别为1。
The article developed a new type of steam distillation and reflux apparatus. This apparatus can finish the operations of steam distillation, reflux and watershed. The results were good.
提出了一种新型水气蒸馏回流仪,该仪器具有水气蒸馏、回流提取及分水等多种功能,且便于操作。经试用,效果良好。
Its chemical composition is significantly different from rose essential oils obtained by steam distillation.
此挥发油的化学成分与用水蒸汽蒸馏所得的玫瑰精油显著不同。
Methods: The volatile oil was extracted from Fructus Aurantii by steam distillation.
方法:采用水蒸气蒸馏法从枳壳中提取挥发油。
The volatile oil of Herba S. doederleinii was extracted by steam distillation and analyzed by gas chromatographymass spectrometry (GC-MS). About 40 kinds of aetherolea compounds were identified.
用水蒸气蒸馏法提取了深绿卷柏的挥发油成分,并用GC-MS对挥发油成分进行分析,共分离鉴定出40种挥发性成分的结构。
The essential oil was extracted from Citrus aurantium'Daidai' by steam distillation.
采用水蒸气蒸馏法从代代花中提取挥发油。
Methods: The volatile oils were extracted by using steam distillation. The components were identified and separated with GC-MS.
方法:采用水蒸气蒸馏法提取白花前胡饮片的挥发油,用GC - MS法对其化学成分进行鉴定。
Methods:Essential oil was extracted from Xinjiang maca by steam distillation, and then was subjected to chemical component analysis by gas chromatography-mass spectrometry(GC-MS).
方法:采用水蒸气蒸馏法和气质联用技术对新疆引种玛咖中的挥发油成分进行分析,并研究提取时间、缓冲液浓度对玛咖挥发油主成分的影响。
The application of a facile and effective steam distillation apparatus in Semi-micro organic experiment is introduced.
介绍了一种简便、有效的水蒸汽蒸馏装置在半微量有机实验中的应用。
In order to improve the odour quality of cedar wood oil, the water distillation (over water boiler) should be replaced by steam distillation.
为改进柏木油香气质量,主张以水蒸汽蒸馏技术取代水上蒸馏法,不赞成用干馏法或“红锅”法来制取柏木原油。
Method: The essential oil was extracted by steam distillation.
方法:采用水蒸汽蒸馏法提取挥发油。
The parameters of steam distillation for extracting onion oil were optimized.
优化了水蒸汽蒸馏提取洋葱油的适宜工艺参数。
Methods Volatile oil was extracted from the sample by steam distillation, and its chemical components were analyzed and identified by GC-MS.
方法以水蒸气蒸馏法提取样品中挥发油,采用GC - MS联用技术对挥发油进行成分分析。
The total oil of the mint microencapsulations was measured by steam distillation method.
采用水蒸气蒸馏法测定了微胶囊化薄荷油的总油。
METHODS:The steam distillation was used to prepare the volatile oil from the rhizome and root of Acorus calamus L .
方法采用水蒸气蒸馏法分别提取水菖蒲根状茎和根挥发油,采用气相色谱- 质谱联用技术进行分析鉴定。
Objective: to study the chemical constituents of the essential oil of Inula helenium L. were extracted by steam distillation (SD) and supercritical-CO2 fluid (SFE).
目的:研究土木香挥发油的化学成分,并比较水蒸气蒸馏提取(SD)与超临界CO2萃取(SFE)所得土木香挥发性成分的差异。
Technology of refined oil of ginger in Lu 'an extracted by steam distillation was studied on orthogonal experiment in this paper.
通过正交试验研究了水蒸气蒸馏法提取六安地产生姜精油的工艺。
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