guided fractionation
ANTI – BACTERIAL GUIDED FRACTIONATION OF DALBERGIA SISSOO
... bioassay guided fractionation by disc diffusion method on both Staphylococcus aureus (gram-positive) and Escherichia coli (gram-negative) bacteria using Ampicillin for ...
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BIOASSAY GUIDED FRACTIONATION OF SPHAERANTHUS INDICUS EXTRACT AGAINST MOSQUITO VECTORS
... bioassay-guided fractionation showed that the fractions F3-F7 eluted with hexane showed 100% mosquito larvicidal activity against all the three species of mosquitoes at 10 ...
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Bioactivity-guided fractionation of the triglyceride-lowering component and in vivo and in vitro evaluation of hypolipidemic effects of Calyx seu Fructus Physalis
... Results: The 75% ethanol extract of CSFP decreased the serum total cholesterol (TC) and triglyceride (TG) levels in mouse model of hyperlipidemia. Followed a separation process for the 75% ethanol extract of CSFP, the ...
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“Egyptian Propolis Bioassay Guided Fractionation and GC/MS, HPLC Analysis of Highly Anti-acetylcholinesterase Sub-fractions” by Faten K. Abd El-Hady, Ahmed M.A. Souleman, Seham El Hawary,Nesma M. Salah, Zeinab A. El-Shahid, Egypt.
... Among the possible strategies for enhancing brain cholinergic activity, acetylcholinesterase inhibitors have been the most extensively used for the symptomatic treatment of Alzheimer’s disease. The aim of this study was ...
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Bioassay-Guided Fractionation of Wound Healing Active Compounds From Piper nigrum L. Berries Extract in Malaysia
... The study aimed to further evaluate the wound healing property of P. nigrum L. using bioassay-guided fractionation method. The ethanolic extract of Piper nigrum L. was fractionated in two stages using ...
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Bioactivity guided fractionation and hypolipidemic property of a novel HMG-CoA reductase inhibitor from Ficus virens Ait
... Medicinal plants are potential sources of therapeutic compounds. Therefore, searching for natural and select- ive HMG-CoA reductase inhibitors with antioxidant property as an alternative to synthetic drugs is of great ...
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Isolation of anticancer constituents from Cucumis prophetarum var prophetarum through bioassay guided fractionation
... bioassay-guided fractionation, the ethyl acetate fraction showed the greatest anti-cancer activity, and thus was selected for the present study (Table ...
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Bioassay guided fractionation-an emerging technique influence the isolation, identification and characterization of lead phytomolecules
... Development of new drug is a complex, time-con- suming, and expensive process. The time taken from discovery of a new drug to its reaching the clinic is approximately 12 years, involving more than 1 billion US$ of ...
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Isolation of antibacterial compounds from Quercus dilatata L. through bioassay guided fractionation
... Background: Four medicinal plants (Chrozophora hierosolymitana Spreng, Chrysanthemum leucanthemum L., Ephedra gerardiana Wall. ex Stapf, and Quercus dilatata L.) used by indigenous healers to treat various infectious ...
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Activity guided fractionation and identification of fatty acid derivative from alcoholic extract of Wrightia tomentosa
... 1226 Available online at www derpharmachemica com Scholars Research Library Der Pharma Chemica, 2011, 3 (6) 370 374 (http //derpharmachemica com/archive html) 370 www scholarsresearchlibrary com ISSN[.] ...
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Hypericum lanceolatum (Hypericaceae) as a potential source of new anti malarial agents: a bioassay guided fractionation of the stem bark
... Three of the tested compounds presented significant anti-plasmodial activities with 50% inhibitory concentration, IC50 < 5 μM, with 5-hydroxy-3-methoxyxanthone exerting the highest activ[r] ...
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A bioassay-guided fractionation scheme for characterization of new anti- bacterial compounds from Prosopis cineraria aerial parts
... Materials and Methods: The organic extract was prepared via maceration in methanol, followed by the fractionation using n-hexane and ethyl acetate. The MICs of fractions were determined against some human ...
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BIOACTIVE GUIDED FRACTIONATION OF PTEROSPERMUM ACERIFOLIUM FOR THE SCREENING OF NEUROCHEMICALS AND NEUROENDOCRINE EFFECTS
... Treatment with ethanolic extract of Pterospermum acerifolium was found to significantly decrease the serum levels of adrenocorticotropic hormone (ACTH), corticosterone (CORT) and -en[r] ...
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In vitro and in vivo anti-aging effects of compounds isolated from Artemisia iwayomogi
... activity-guided fractionation, scopolin (AI-1), 2,4-dihydroxy-6- methoxy-acetophenone 4-O- β -D-glucoside (AI-2), scopoletin (AI-3), kaempferol-3-O-methyl ether (AI-4) and luteolin (AI-5) were isolated from ...
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“GC/MS and HPLC Analysis of Alpha-glucosidase Inhibitor’s Sub-fractions from Egyptian Propolis” by Faten K. Abd El-Hady, Ahmed M.A. Souleman, Seham El Hawary, Nesma M. Salah, Zeinab A. El-Shahid, Egypt.
... There has been an enormous interest in the development of alternative natural medicines for type II diabetes, have the ability to delay or prevent glucose absorption. The aim of this study was to investigate the ...
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Lupinalbin A as the most potent estrogen receptor α and aryl hydrocarbon receptor agonist in Eriosema laurentii de Wild (Leguminosae)
... activity-guided fractionation of the crude methanol extract of aerial parts of Eriosema laurentii lead to the identification of components with estrogenic and aryl hydrocarbon receptor agonistic ...
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Antidiabetic Activity of Isolated Compound from Coccinia indica
... Sporadic pharmacological studies have supported tradi- tional claims of C. indica in treating diabetes. But most of these studies have employed uncharacterized crude extract of the plant. A scrutiny of literature ...
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Plasmodium transmission blocking activities of Vernonia amygdalina extracts and isolated compounds
... bio-guided fractionation studies revealed a relatively higher in vitro activity of extracts compared to that of the pure compounds, sug- gesting that the development of a phytomedicine based on vernodalol ...
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HAIR GROWTH POTENTIAL OF EVOLVULUS ALSINOIDES LINN. PLANT EXTRACT IN ALBINO RATS
... Evolvulus alsinoides Linn. (Convolvulaceae) is traditionally used for its hair growth promoting activity in rural community of Indian sub-continent. Studies were therefore carried out to evaluate petroleum ether and ...
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Bioassay-guided discovery of antibacterial agents: in vitro screening of Peperomia vulcanica, Peperomia fernandopoioana and Scleria striatinux
... The isolation of a large number of compounds (27 in total) from the two Peperomia species is not surprising. Nineteen compounds were isolated from P. sui of the same family [21] suggesting that the Piperaceae may be ...
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