Ethyl Acetate
Electroanalytical Determination of Catechin Flavonoid in Ethyl Acetate Extracts of Medicinal Plants
... The first oxidation peak (peak 1) in the cyclic and square wave voltammograms of ethyl acetate extracts of C. mellei and C. quadrifidus closely corresponds to the catechol moiety - 3',4'-dihydroxyl group in ...
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Density of Ethyl Acetate Palm Oil Mixture in Supercritical Condition
... solvents, ethyl acetate is a carboxylate ester that can be used as supercritical solvent instead of alcohols in interesterification reaction [12], to obtain fatty acid ethyl ester (FAEE) or biofuel ...
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UTERINE EFFECTS OF THE ETHYL ACETATE EXTRACT OF THE LEAVES OF BIDENS PILOSA (ASTERACEAE)
... 48H at room temperature. After filtration and concentration under reduced pressure on a rotary evaporator-type HEIDOLPH W2000; 60g of the crude extract were obtained. Part of this extract (55g) was re-extracted with ...
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Estimation of Parameters of Arrhenius Equation for Ethyl Acetate Saponification Reaction
... 1. Afzal Ahmad, Muhammad Imran Ahmad, Muhammad Younas, Hayat Khan and Mansoor ul Hassan Shah, A Comparative Study of Alkaline Hydrolysis of Ethyl Acetate Using Design of Experiments, Iranian Journal of ...
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Anti-inflammatory effect of ethyl acetate active fraction of butea monosperma leaves
... in ethyl acetate ...dried. Ethyl acetate extract of Butea monosperma leaves was subjected to column chromatography over silica gel, Silica gel; 60-120 mesh, 1200 g, 68 column was prepared ...
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A Comparative Study of Alkaline Hydrolysis of Ethyl Acetate Using Design of Experiments
... Two-level face-centered central composite design, a type of RSM suitable when optimum values might not be incorporated outside design space, was applied to obtain a second order polynomial and to investigate the optimum ...
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Evaluation of Hepatoprotective Activity of Ethyl Acetate Fraction of Tephrosia Purpurea
... The coarsely powdered dried root of T. purpurea (300 g) was defatted with petroleum ether (1.2 L) by hot extraction process (Soxhlet) for 12 h. The marc left after petroleum ether extraction, was dried and extracted with ...
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1,3,5 Tris(4 formylphenoxymethyl) 2,4,6 trimethylbenzene ethyl acetate solvate
... The asymmetric unit of (I), illustrated in Fig. 1, comprises one 1,3,5-tris(4-formylphenoxymethyl)-2,4,6-trimethylben- zene molecule and one ethyl acetate molecule. Two 4-formylphenoxy pendant arms project ...
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Evaluation of Anti-Asthmatic Potential of Ethyl Acetate Fraction of Pluchea Lanceolata
... In the present study, histamine produced dose dependent contraction of guinea pig tracheal chain preparation as indicated in Table 2. The modified physiological salt solution containing Ethyl acetate ...
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Profiling of Metabolites Present in Ethyl Acetate Fractionation of Trichoderma virens 7b
... of ethyl acetate extract of ...the ethyl acetate ...The ethyl acetate fraction was further fractionated by column chromatography to identify metabolites by GC-MSD, giving a list ...
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4 Oxo 2,3,5,6 tetraphenylpiperidine 1 carbonitrile ethyl acetate hemisolvate
... the ethyl acetate solvent molecule could not be obtained, owing to the fact that it is disordered about an inversion centre within the unit cell; consequently, the C10—C11 bond length was restrained to a ...
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Crystal structure of azilsartan methyl ester ethyl acetate hemisolvate
... mmol) in DMSO (150 ml) was stirred at room temperature for 5 h. After the reaction, the mixture was poured into water (400 ml) and the insoluble portion was filtered off. The aqueous solution was acidified with 1 N HCl ...
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A possible anti inflammatory mechanism of ethyl acetate extracts of Teucrium stocksianum Bioss
... sub-fractions, ethyl acetate fraction (EAF) demonstrated excellent (66 %) anti-inflammatory action at the highest tested dose (300 mg/kg) that reached to the maximum value at 3 rd hour after carrageenan ...
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α,α Trehalose octaacetate ethyl acetate solvate
... Trehalose is implicated in the preservation of life without water (Branca et al., 1999) and it is used in certain drug formulations (Hatley & Blair, 1999). The role of hydrogen bonding in trehalose and its ...
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9,9′ Bifluorene 9,9′ diol ethyl acetate solvate
... intramolecular O—H O hydrogen bonds between hydroxyl groups. There are two formula units per asymmetric unit. The molecules are linked into one-dimensional chains by inter- molecular O—H O hydrogen bonds; ethyl ...
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Antimicrobial efficacy of ethyl acetate extract of Mesua ferrea
... The plant materials were dried in the shade and powdered in a mechanical grinder. The powder of the plant materials were initially de-fatted with petroleum Benzene (60 0 C-80°C), followed by extraction with 1000 ml of ...
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Ultrasonic velocity, density and viscosity studies of the binary mixtures of ethyl acetate with hexane
... Density, viscosity and ultrasonic velocity in binary mixtures of ethyl acetate and hexane has been calculated at temperature 292 K and frequency 2 MHz. Using experimental values various acoustical ...
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Pallidol hexaacetate ethyl acetate monosolvate
... 50% ethyl- acetate in petroleum spirit) to afford pallidol hexaacetate (150 mg) along with several other dimers identified as trans-ε- viniferin pentaacetate and trans-δ-viniferin pentaacetate (120 mg, ...
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Desvenlafaxinium chloranilate ethyl acetate solvate
... the ethyl acetate solvate structures reported are: N-[(S)-1-(5-chloro-2-hydroxy- phenyl)ethyl]-N-[(R)- 2-hydroxy-1-phenylethyl]aminium chloride ethyl acetate solvate (Zhang et ...
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Acute and Chronic Toxicity Study of Ethyl Acetate Fraction of Caralluma tuberculata in Mice
... Background: Caralluma tuberculata (Asclepiadaceae), a succulent perennial herb used as vegetable is reported to treat the diabetes and rheumatism. In the present study the safety profile of Caralluma tuberculata (CT) was ...
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