超声提取法
- 网络Ultrasonic Extraction;USE
-
通过单因素和正交试验的考察,分别对三味中草药进行提取工艺的优化,比较水提醇沉法、超声提取法和微波萃取法,确定了正交试验中各影响因素的主次。
By comparing the methods of water extract-alcohol extraction , ultrasonic extraction and microwave extraction , the major effect factors in orthogonality experiment were well defined .
-
结果:介绍了中药色素的提取方法,讨论了溶剂萃取法、超临界co2萃取法、微波辐射提取法、酶法、超声提取法的特点。
Results : the extraction methods of traditional Chinese medicine pigment is introduced , the characteristics of every kind of progress such as solvent extraction , supercritical CO2 extraction , microwave radiation extraction , enzymatic Extractionand ultrasonic extraction technology were discussed .
-
以2~3周龄羔羊皱胃为原料,利用超声提取法研究了超声强度,提取时间,提取液NaCl浓度,皱胃与提取液比例以及提取液pH对羔羊皱胃酶(kidrennet)提取活性的影响。
Using 2-3 weeks kid abomasa as material , the ultrasound intensity , extraction time , NaCl concentration and pH value in extracting solution and ratio abomasum to extracting solution were studied by ultrasounic method .
-
目的:通过对决明子微波萃取法(MAE)与常用提取方法(索氏提取法、超声提取法、水煎法)的比较研究,评价MAE提取中药有效成分的特点,初步探索MAE的机理。
AIM : To evaluate the characteristic and explore the mechanism of MAE on Semen Cassiae by comparing MAE with commonly used extraction method .
-
结论利用SFECGC法测定丹参药材中丹参酮IIA,可提高分析速度,且使用有机溶剂少,对环境造成的污染小,与超声提取法比较,经t检验,显著优于超声提取法。
CONCLUSION Compared with the method of ultrasonic extraction , significantly better qualitative and quantitative result could be obtained by SFE CGC and expend less organic solvent then make less pollution .
-
超声提取法提取时间和提取次数对提取工艺均有显著性影响,最佳提取工艺为加10倍量水,超声提取3次,每次1.5h。
For ultrasonic process , both extraction time and operation number are significant factors , and optimum condition corresponds to the ratio of 10 ∶ 1 of water to CSL , with three times extractions and 1.5 h for each extraction .
-
提取方法的比较结果表明,超声提取法优于传统热回流提取法。
And the ultrasonic method was superior to the refluxing technology .
-
采用超声提取法测定人参的醚溶性浸出物含量。
This paper reports the determination of ether extractive substance in gin-seng .
-
目的优选超声提取法从桑枝中提取总黄酮的工艺条件。
ObjectiveTo optimize the ultrasonic extraction technology of flavonoids from Ramulus Mori .
-
提取过程分别研究传统浸提法和超声提取法。
During the extraction process , two different methods were researched and compared .
-
且超声提取法优于温浸提取法。
The abstract of ultrasound is better than diffusion .
-
结果采用超声提取法进行梯度洗脱效果较好。
RESULTS : The ultrasonic method had a good effect in the gradient elution .
-
将此工艺与工业提取法做比较得出超声提取法效率较高。
Extracting by ultrasound can be obtained a higher efficiency compared with the industrial extraction . 3 .
-
本文采用超声提取法,从菜籽饼粕中提取多糖,用苯酚-硫酸比色法测定菜籽多糖含量。
Using ultrasonic extraction methods , RP was extracted from rapeseed-meal , and the content was determined by phenol-vitriol colorimetry .
-
采用醇提法、超声提取法探讨了从桑叶中提取总黄酮类物质的最佳工艺。
It is studied on the optimal technology of extracting total flavonoids from mulberry leaves by alcohol extracting and ultrasonic method .
-
用超声提取法和微波辅助提取法提取桑叶多糖从提取时间、提取次数到所得多糖提取率都相当,但比起传统回流法,微波提取法优势明显。
UAE technique is comparable with MAE process in extraction rate and extraction time . But the advantage of MAE is obviously when compared with traditional method .
-
主要结果如下:1分别采用溶剂提取和超声提取法提取菠萝皮中的多酚类物质,通过紫外分光光度计建立最佳的测定方法。
The results are as follows : 1The solvent extraction and ultrasonic extraction of polyphenols from pineapples were studied . The optimal measurement was established by UV-Vis spectrophotometer .
-
本文用热水提取法与超声提取法提取麦冬多糖,并对热水提取的麦冬多糖进行超声处理。
In this paper , polysaccharides were extracted from ophiopogon japonicus by hot water and ultrasound . The polysaccharides extracted by hot water were subjected to ultrasonic treatment .
-
实验表明:超声提取法优于溶剂提取法,所用的时间短,提取率高。
The results show that supersonic method is superior to the solvent extraction method , the process with supersonic cost less time and extract more amounts of Aloesin .
-
介绍了牵牛花色素的超声提取法以及温度、酸碱度和金属离子对牵牛花色素稳定性的影响。
The extraction method of morning glory flower pigment as well as the influence of temperature and acidity alkalinity , and the metal ion on the stability of morning glory flower pigment were presented .
-
研究了玉米粗蛋白粉黄色素的超声提取法(用95%乙醇作为溶剂)。
In this paper , ultrasonic wave was applied during the extraction of yellow pigment from the corn protein powder has been studied ( the solvent was ethanol solution with the concentration of 95 % ) .
-
采用现代新型提取方法&超声提取法,从槐角中提取了抗癌活性成分染料木素。
The thesis , consisting of four chapters , presents the author 's scientific achievements from the following three aspects : 1 . With the application of a modern extraction method - ultrasonic extraction , Genistein , the anticancer activated composition , is obtained from Huaijiao .
-
超声提取HPLC法测定糕点中苯甲酸、山梨酸和糖精钠方法
Simultaneous Determination of Benzoic Acid , Sorbic Acid and Saccharin Sodium in Cake Products by Supersonic Extraction and HPLC
-
通过比较研究溶剂法、超声辅助提取法及超临界CO2萃取法提取蜂胶有效成分的工艺,确定提取蜂胶有效成分的最佳工艺条件。
Extracting the active ingredients in propolis with solvent , ultrasound-assisted and supercritical CO2 extractions are compared in this paper and the best process conditions are1 .
-
超声雾化提取法测定3种香料中的挥发性成分
Determination of Volatile Components from Three Kinds of Spices by Ultrasonic Nebulization Extraction-Gas Chromatography
-
超声提取-HPLC法测定秦艽中龙胆苦苷的含量
Supersonic extraction of gentiopicrin in Gentiana Macrophylla pall and determination of its content by HPLC
-
采用乙醇为溶剂通过超声辅助提取法提取宣木瓜果实中齐墩果酸。
Extracted oleanolic acid from Chaenomeles speciosa s. Nakai by ultrasonic assisted extraction and ethanol as solvent .
-
方法:以乙酸乙酯为溶剂用超声震荡提取法提取吴茱萸碱和吴茱萸次碱。
METHODS : Evodiamine and rutaecarpine were extracted with the solvent ethyl acetate and the ultrasonic extractor .
-
方法:分别采用超声乙醇提取法、乙醇冷浸法和醇热回流提取法。
Results : The extraction method by Alcohol quenching was better than those by any other method .
-
这表明脉冲超声辅助提取法是一种高效分离钝顶螺旋藻藻蓝蛋白的方法。
These results suggest that pulse ultrasonic-assisted extraction is a high efficiency method of extracting phycocyanin from Spirulina platensis .