微波萃取
- 网络Microwave Extraction;Mae
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优化的微波萃取条件如下:60~80mesh番石榴叶、10mL乙醇、80℃和10min。
Optimized MAE conditions included 60 ~ 80 mesh of guava leaves , 10 mL of ethanol , 80 ℃ and 10 min.
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鳗骨油微波萃取的最佳条件为:干样品加水3mL,以氯仿丙酮(体积比为2∶1)为混合萃取溶剂,微波辐照时间9min。
The optimum MAE conditions for 4 g dry sample are as follows : adding 3 mL water , then adding 30 mL chloroform acetone ( volume ratio 2 ∶ 1 ), microwave heating for 9 min.
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微波萃取法提取复方硫酸软骨素片中硫酸软骨素C的研究
Study on extracting chondroitin sulfate C in compound chondroitin sulfate tablets by microwave extraction
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方法:采取超临界CO2萃取、微波萃取和水蒸汽蒸馏三种方法提取佩兰挥发油。
Method : The volatile oils were obtained with supercritical CO2 , microwave and stream distillation .
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微波萃取土壤中PAHs的研究
Microwave assisted Extraction of PAHs from Soils
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实验结果显示,硅胶柱层析法、微波萃取法、人造纤维bluerayon吸附等方法对维生素E油中PAHs的脱除有较好的效果。
Gel column chromatography , microwave-assisted extrac - tion , concentration by synthetic fiber have good effects on the removal of PAHs in vitamin E.
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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 .
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结果表明,超临界CO2和水蒸馏法萃取辽细辛挥发油品质最好;微波萃取收率最高,但品质较差。
The results showed that the extraction rate of microwave extraction was higher and its process was simpler , but the quality of the volatile oil was worse than those extracted by supercritical CO2 and steam distillation .
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微波萃取的最佳工艺条件:功率400w,萃取时间50s,番茄红素提取量23.25mg/g(干燥番茄粉末)。
The best conditions of microwave extraction are power 400w , time 60s , and the amount of oleoresin is 22.54mg/g ( tomato powder ) .
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用丙酮/正己烷(1∶1)混合溶剂,微波萃取法提取环境空气总悬浮颗粒物(TSP)中16种多环芳烃组分,各组分萃取率为66%~83%,萃取效果较好。
Using Acetone / hexane ( 1 ∶ 1 ) mixed solvent and microwave extraction method , 16 kinds of PAHs in TSP in ambient air was extracted . Extraction rate was between 66 % and 83 % .
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MSP-100E微波萃取仪性能测试
Testing Property of MSP-100E Microwave Extraction Apparatus
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本文还采用了固相微萃取(SPME)顶空取样方法,通过GC/MS分析并比较了萃取物中的主要有效成分,说明微波萃取法不仅提取率较高,且具有一定的选择性。
Applying the Solid Phase Microextraction ( SPME ) Headspace Sampling . we analyses the extract by CG / MS. The result showed that the extract content is raised and the selectivity is obvious in the microwave extraction .
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建立了利用微波萃取和双ECD联用技术,对土壤中多氯联苯(PCB)的分析方法,通过对回收率、重现性及精密度的测定,其结果均优于传统索氏萃取方法。
The method which applies the technique of Microwave Extration and dual-ECD to analyze PCB in soil has been proposed in this paper . It is shown that this analytical method is better than traditional soxhlet extraction method based on the results of rate of recovery , accuracy and precision .
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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 .
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微波萃取最佳工艺条件为:溶剂为丙酮,物料与溶剂比例1∶7,辐射时间7min,辐射功率810W,得率23.01%。
The optimum conditions of the microwave extraction were obtained by orthogonal experiment : acetone as solvent , the rate of mass of material to solvent 1 ∶ 7 , the radiating time 7 min , the microwave power 810 W.
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微波萃取技术及其在果胶提取中的应用
Microwave extraction technology and its application in the extraction of pectin
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微波萃取/HPLC法测定污泥中的烷基酚类物质
Determination of Alkylphenols in Sludge by HPLC Coupled with Microwave-assisted Extraction
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土壤及沉积物样品预处理的新技术&微波萃取法
A novel sample preparation method for soils and sediments microwave-assisted extraction
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微波萃取技术在天然药物提取中的研究进展
Research and Development on the Microwave Extraction Technique in Natural Resources Medicine
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表面活性剂对黄芩苷微波萃取的影响
Effect of surfactant on microwave - assisted extraction of baicalin
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经微波萃取最主要的是节省了大量的时间。
The method by microwave extraction can save a lot of time .
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此外,将微波萃取与乙醇回流提取进行了比较。
Compared with alcohol refluxing extraction , microwave-assisted extraction is more efficient .
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微波萃取草莓中有机磷农药残留量的快速检测
A Fast Microwave-assisted Extraction Method to Test Organophosphorous Pesticide Residue in Strawberry
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水中痕量苯酚的微波萃取气相色谱分析
Determination of trace phenol in water by microwave-assisted extraction and gas chromatography
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桔黄色素微波萃取的研究
Study on the Extraction of Pigment from Orange Peeling by Microwave Technique
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天然产物中化学成分提取的新方法&微波萃取法
New Method about Extracting Chemical Elements from Natural Products & Microwave Extractions
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微波萃取-分光光度法研究关黄柏中小檗碱的提取
Study of Microwave-Assisted Extraction and Spectrophotometry on Berberine from Phellodendron Amurense Rupr
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环境分析试样预处理的新方法&微波萃取法
Microwave extraction as a new method for sample pretreatment in environmental analysis
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微波萃取法用于污泥重金属形态的区分
Application of Microwave Extraction for Fractionating Heavy Metal Speciation in Sewage Sludge
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微波萃取高效液相色谱分析菱角中甾醇类化合物
Microwave extraction and HPLC analysis of sterols in water caltrop