超声波提取

菊芋菊糖的超声波提取、纯化及HPLC法纯度检测

Ultrasonic extraction and purification of inulin from jerusalem artichoke and purity testing by HPLC

超声波提取反相HPLC测定环境中PAH方法

Measurement of PAH by Reversed-Phase HPLC with An Ultrasonic Extraction

超声波提取、ICP-AES法测定烟草中矿物元素

ICP-AES Determination of Multi-Elements in Tobacco Extracted with Ultrasonic

采用超声波提取法，以甲醇作为提取溶剂，对来自不同国家和地区的34个酒花样品中的黄腐酚进行了分离提取，使用HPLC对其含量进行测定。

Xanthohumol of 34 samples of hops from different countries and regions were extracted with Methanol by supersonic . The Xanthohumol was determined by HPLC .

用乙醇为溶剂通过超声波提取面粉中的过氧化苯甲酰及其还原产物，用HPLC可同时测定BPO和BA含量；

BPO and BA was efficiently extracted from wheat flour with absolute ethanol by ultrasonic and they are analysed meanwhile .

结果表明，超声波提取方法比传统浸取方法快速、准确，回收率为98.6～101.5%，方法检出限为2μg。

Compared with the traditional leaching technique , ultrasound-assisted leaching technique was simple and rapid . The recovery was 98.6 ~ 101.5 % . The determination limit of the method was 2 μ g.

探讨了有机溶剂提取、超临界CO2流体萃取、微波辅助提取及超声波提取的各种影响因素，并筛选出较佳的工艺条件。进行了苦楝提取物及其活性成分对大叶黄杨尺蠖的杀虫活性的研究；

The effecting factors of different extraction methods , including supercritical carbon dioxide extraction , ultrasonic extraction , microwave assistant extraction and traditional solvent extraction , and the optimum extraction conditions were investigated .

索氏提取时间以5h为宜。超声波提取以40min为宜。

Hours and 40 minutes are respectively adaptable for the Soxhlet-extraction and the Ultrasonic-extraction .

研究结果表明：1、有机溶剂浸提法、超声波提取法和CO2超临界萃取法对苦荞麦芦丁提取率分别为94.78%、93.15%和44.56%。

The organic solvent soaking , the ultrasonic wave extraction process and the CO2 supercritical extraction method to the lutin from tartary buckwheat extraction rate respectively was 94.78 % , 93.15 % and 44.56 % .

在对超声波提取葛根总黄酮的动力学研究中，分别对曲线进行方程模拟，结果表明Cubic曲线在一定程度上反映了超声波提取葛根总黄酮的动力学过程。

In the kinetic research of the ultrasonic extraction , the equation of the curve simulation results show that the Cubic curve reflected the dynamic processes of the ultrasonic extraction on total flavonoids . 3 .

介绍了苹果多酚的超声波提取方法，并通过DPPH法和2-脱氧-D-核糖法研究了苹果提取物的抗氧化性能。

This article introduced the ultrasonic wave extraction of polyphenols from apple , measured the effect of apple extracts on antioxidant activities by DPPH and deoxyribose method .

结果：用110kHz超声波提取40min，其提出率较回流法提取2h所得提出率约高1倍。

RESULTS : The extractive rate of Leonurine by 110 kHz irradiation 40 min was twice as much as by reflux method extraction 2 h.

以超声波提取法提取，比对无水乙醇、丙酮、正丁醇、乙酸乙酯和四氯甲烷五种溶剂进行DNJ和槲皮素的提取。

Five kinds of solvents for extraction were compared , they are anhydrous ethanol , acetone , ethyl acetate and n-butanol , and tetrachloromethane .

通过设置不同的超声波提取时间，对Ts-39的提取效率进行了测试。

The extracting efficiency of Ts-39 extract was examined by different extracting time with ultrasonic .

超声波提取总黄酮的最佳操作条件是95%乙醇，时间25min，温度5℃，3次。

The optimal conditions under which the total anthoxanthin is extracted : 95 % ethonal , duration 25 min , temperature 5 ℃ and 3 operation times .

确定了制备烟碱分析样品的超声波提取条件：0.4%NaOH溶液为溶剂，液固比40∶1（mL.g-1），提取时间4h。

Nicotine was extracted from tobacco by ultrasonic extraction method , the conditions with higher nicotine were : 0.4 % NaOH solution as solvent , ratio of liquid to solid was 40 ∶ 1 ( mL · g ( - 1 )), extraction time 4 hours .

采用响应面分析法优化PeGs超声波提取工艺，并与性温、具有抗氧化活性的红茶复配，开发具有特殊药理活性的苁蓉速溶茶。

To optimize the ultrasonic extraction of PeGs , response surface method ( RSM ) was used . C. deserticola instant tea providing special pharmacology activity was then developed , which was composed of PeGs and black tea with mild nature and antioxidant activity .

确定了制备甘草酸分析样品的超声波提取条件，0.3%稀氨水为溶剂，液固比50：1，提取时间5h；

Extracted Glycyrrhizic acid ( GA ) from Glycyrrhiza uralensis Fisch by Ultrasonic extraction method , the conditions with higher GA were 0.3 % ammonia solution as solvent , ratio of liquid to solid as 50:1 ( mL / g ), extraction time five hours .

以香兰素含量为指标，以乙醇为提取溶剂，采用超声波提取、加热回流、索氏提取法及超临界C02萃取4种方法提取香草兰中的香气成分。

The content of vanillin was chosen as index and ethanol was used as extraction solvent with ultrasonic extraction , reflux , soxhlet extraction and SFE four methods to extract the aroma components from Vanilla spp. .

方法：用超声波提取法，采用SpherisorbC18柱，以乙腈-水-醋酸-5%磷酸为流动相，检测波长为278nm，柱温40℃。

Method : Baicalin was determined with spherisorb C18 and detected at 278 nm , acetonitrile-water-acetic acid-5 % phosphate acid solution ( 20:77.8:2:0.2 ) used as mobile phase . The column temperature was 40 ℃ .

结果表明，超声波提取仙人掌多糖最优化工艺条件是：超声波频率为60kHZ、作用时间15min、固液比1∶25、醇沉倍数2·5倍。

The result showed that the optimal conditions for extraction of cactus polysaccharides were as follows : 60kHZ ultrasonic frequency , 15 minutes action duration , 1 ∶ 25 solvent to solute ratio , 2.5 alcohol multiple .

本试验以陕西安康的桑椹果渣为原料，研究了溶剂浸提法、微波萃取法及超声波提取桑椹红色素的最佳工艺；研究了LSA-21大孔吸附树脂纯化桑椹红色素的纯化工艺；

The optimal parameters of extracting mulberry red pigment by solvent , microwave and ultrasonic wave , the purification parameters of pigment by LSA-21 macroporous resin , the stability and antioxidation in vitro of pigment have been studied in this paper .

超声波提取辣木叶黄酮的最佳工艺条件为：水为溶剂，室温下无需加热，超声40min，工作间歇比2s/2s，循环泵25r/s，超声功率1200W。

The optimal technological conditions of moringa flavone extraction with ultrasonic radiation assistance were as follows : the extraction solvent was water , dispense with heating , ratio of ultrasonic run and interim time was 2s / 2s , pump rotate speed 25r / s , power of ultrasonic 1200W .

利用可译性提高可译度&读解《可译性与可译度》不同的粉碎细度对活性物质的毒杀也有一定的影响，超声波提取以60目的效果最好；

Different grinding degree have some influence on toxicity of bioactive .

超声波提取山楂中栎皮酮的研究

Study on the extraction of quercetin from haw by ultrasonic treatment

正交试验法优选废次烟叶烟碱的超声波提取工艺

Orthogonal experiment to optimize ultrasonic extraction of nicotine from discard tobacco

超声波提取土壤中的半挥发性有机物

Application of Ultrasonic Extraction for Monitoring Semi-volatile Organic Compounds in Soil

超声波提取-气相色谱-质谱联用法测定苏丹红Ⅰ残留量

Determination of Sudan ⅰ residue by ultrasonic extraction and GC-MS method

超声波提取对芦荟凝胶活性因子的影响

Effect of Ultrasonic Extraction on the Active Factors in Aloe Gelatin

超声波提取元宝枫种壳中单宁的研究

Ultrasonic Extraction of Tanning from the Seed Hull of Acer Truncatum