• No results found

extraction time

Effect of extraction time and temperature on the extraction of phenolic compounds from Orthosiphon stamineus leaves

Effect of extraction time and temperature on the extraction of phenolic compounds from Orthosiphon stamineus leaves

... each extraction temperature used, results show that time has no significant ...the extraction time used (Herrero et ...of extraction time gave the highest value of TPC compared ...

7

Electroextraction and electromembrane extraction: Advances in hyphenation to analytical techniques.

Electroextraction and electromembrane extraction: Advances in hyphenation to analytical techniques.

... the extraction time 120 s and the extraction voltage 200 ...cleansing extraction procedure eliminated carry-over in the ...cleansing extraction procedure was applied and it ensured that ...

17

Optimization of Ultrasonic-Assisted Extraction of Total Phenolics from Citrus aurantium L. Blossoms and Evaluation of Free Radical Scavenging, Anti- HMG-CoA Reductase Activities

Optimization of Ultrasonic-Assisted Extraction of Total Phenolics from Citrus aurantium L. Blossoms and Evaluation of Free Radical Scavenging, Anti- HMG-CoA Reductase Activities

... and extraction solvents[32]. For obtaining the ideal extraction yield of total phenolics, selecting a suitable liquid-to-solid ratio is of the ...and extraction time 45 min). As shown in ...

16

←
				
											Return to Article Details
									
				FLOTATION-ASSISTED HOMOGENEOUS LIQUID-LIQUID MICROEXTRACTION FOR TRACE DETERMINATION OF URANIUM IN WATER SAMPLES BY ICP-MS

← Return to Article Details FLOTATION-ASSISTED HOMOGENEOUS LIQUID-LIQUID MICROEXTRACTION FOR TRACE DETERMINATION OF URANIUM IN WATER SAMPLES BY ICP-MS

... and extraction techniques, homogenous liquid–liquid microextraction (HLLME) has been widely applied in the field of environmental monitoring and ...the extraction and homogeneous solvents, ...the ...

6

Sequential Extraction of Common Metals (Na, K, Ca and Mg) From Surface Soil

Sequential Extraction of Common Metals (Na, K, Ca and Mg) From Surface Soil

... of extraction time in step II can be attributed that Na + , K + exchange varies with both ionic strength and clay mineralogy ...sequential extraction step, extraction time up to 60 ...

9

Extraction and Characterization of Essential oil of Sweet Lime ( Citrus(Limetta Risso) peel using Microwave-assisted Hydrodistillation

Extraction and Characterization of Essential oil of Sweet Lime ( Citrus(Limetta Risso) peel using Microwave-assisted Hydrodistillation

... GC-MS. Extraction efficiencies of extraction process was investigated by varying three factors, time of extraction, microwave power, particle size and dryness ...to extraction ...

5

Experimental studies and Development of Modelling equation of Quercetin from Raphanus Sativus using Soxhlet Extractor

Experimental studies and Development of Modelling equation of Quercetin from Raphanus Sativus using Soxhlet Extractor

... was extraction of phenolic compounds from radish and to develop a modelling equation to describe quantitatively the extraction ...of extraction of Quercetin and its various physico-chemical ...

9

Off-line Coupling of Ionic Liquid-Based Dispersive Liquid-Liquid Microextraction to HPLC-UV Method for the Drug Analysis in Pharmaceutical and Biological Samples

Off-line Coupling of Ionic Liquid-Based Dispersive Liquid-Liquid Microextraction to HPLC-UV Method for the Drug Analysis in Pharmaceutical and Biological Samples

... (extraction time) and after centrifuging at 4000 rpm, IL–rich phase was deposited at the bottom of conical test ...the extraction procedure employed is shown in ...

10

Download
			
			
				Download PDF

Download Download PDF

... concentration, extraction temperature, and extraction time; and the response variables were total phenolic and total carotenoid ...the extraction process of total phenolics and carotenoids ...

10

Extraction of Essential Oil from Neem Seed by Using Soxhlet Extraction Methods

Extraction of Essential Oil from Neem Seed by Using Soxhlet Extraction Methods

... Abstract— Extraction of essential neem oil from neem seed was carried by soxhelt extraction method using different organic solvents and ...soxhlet extraction using hexane has ...355μm, ...

5

Optimizing Extraction of Phenolics and Flavonoids from Solanum ferox Fruit

Optimizing Extraction of Phenolics and Flavonoids from Solanum ferox Fruit

... The extraction of polyphenols and flavonoids from plant sources is de- manding owing to their chemical structure and their interaction with other food ...composition, extraction duration, temperature, pH, ...

7

Optimization of phenolics and flavonoids extraction conditions of Curcuma Zedoaria leaves using response surface methodology

Optimization of phenolics and flavonoids extraction conditions of Curcuma Zedoaria leaves using response surface methodology

... fixed extraction time. Based on the result at constant extraction time of 120 min, 90% of ethanol concentra- tions yielded the most TP as compared with 70% ethanol ...longer extraction ...

10

Microwave-assisted Extraction and RP-HPLC Quantification of Bergapten from Pithecellobium dulce

Microwave-assisted Extraction and RP-HPLC Quantification of Bergapten from Pithecellobium dulce

... retention time of bergapten and the profile of the extract was observed by changing the mobile phase and flow ...the extraction of ...W, extraction time of 10 min and the solid-liquid ratio of ...

7

Obtaining of Geranium sanguineum phytoextracts and study of their anti-microbial properties

Obtaining of Geranium sanguineum phytoextracts and study of their anti-microbial properties

... complete extraction of biologically active substances was during a 30 min ...an extraction solvent, the extraction time was increased up to 45 ...by extraction with 50% ...

6

Optimization of Extraction Technology of Polysaccharide of Tricholoma giganteum

Optimization of Extraction Technology of Polysaccharide of Tricholoma giganteum

... the extraction methods of mush- room polysaccharides (MP) mainly include hot water extraction, ultrasonic extraction, enzyme extraction, al- kaline extraction, acid extraction ...

5

Effects of Different Extraction Conditions on The Production of Anthraquinone

Effects of Different Extraction Conditions on The Production of Anthraquinone

... higher extraction yield involves a longer extraction time (Yinshi et ...of extraction time on the anthraquinone concentration from Morinda citrifolia roots, the SLR used was 1:400 while ...

8

Effect of Ethanol Concentration in Ultrasound Assisted Extraction of Glycyrrhizic Acid from Licorice Root

Effect of Ethanol Concentration in Ultrasound Assisted Extraction of Glycyrrhizic Acid from Licorice Root

... the extraction of natural products such as linalool from citrus flower [2], essential oil from garlic [3], lycopene from tomato [4], hesperidine and other flavonoids from citrus peel [5] has been reported to ...

10

OPTIMIZATION OF ULTRASOUND ASSISTED EXTRACTION OF TOTAL FLAVONOIDS AND ANTIOXIDANT PROPERTIES FROM TRIGONELLA FOENUM GRAECUM SEEDS WITH RESPONSE SURFACE METHODOLOGY

OPTIMIZATION OF ULTRASOUND ASSISTED EXTRACTION OF TOTAL FLAVONOIDS AND ANTIOXIDANT PROPERTIES FROM TRIGONELLA FOENUM GRAECUM SEEDS WITH RESPONSE SURFACE METHODOLOGY

... ultrasonic time, methanol concentration and extraction times on the yields of total flavonoids from the seed of ...the extraction of flavonoid compounds from Fenugreek ...TFC extraction (p ...

11

Complex Formation and Liquid-Liquid Extraction in the Niobium(V) – 2,4-Dihydroxythiophenol– Hydrophobic Amines System

Complex Formation and Liquid-Liquid Extraction in the Niobium(V) – 2,4-Dihydroxythiophenol– Hydrophobic Amines System

... solvent extraction of new ion-association complexes between anionic chelat of niobium(V) with 2,4-dihydroxythiophenol (DHTP) and hydrophobic amines ...the extraction of mixed ligand complexes (MLC) (organic ...

9

Headspace-Single Drop Microextraction Followed by Gas Chromatographic Determination of Key Aroma Compounds in Tomato Fruits and Their Sample Products

Headspace-Single Drop Microextraction Followed by Gas Chromatographic Determination of Key Aroma Compounds in Tomato Fruits and Their Sample Products

... including extraction temperature, enrichment time, extraction time and sample ...C extraction temperature, 15min enrichment, 20min extraction time and 3mL ...

12

Show all 10000 documents...

Related subjects