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  • Myostimulating Effect of Sesamum Radiatum Aqueous

    1/6/2011· This study was carried to examine the effects of the aqueous leaf extract of Sesamum radiatum, a laxative plant on the contractile activity of Taenia caeci, an intestinal smooth muscleStrips of Taenia caeci were rapidly removed from guinea-pig and were suspended between two L-shaped stainless steel hooks in a 10 ml organ bath with Mac Ewen solution.

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  • MOLLUSCICIDAL AND LARVICIDAL ACTIVITIES OF

    Accordingly, hexane, ethyl acetate, methanol and methanol-water (8:2, v-v) were used as extraction solvents As a result, hexane and ethyl acetate extracts showed potent activity, according to the World Health Organization, giving LC 50 = 759 mg/L and 669 mg/L for hexane.

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  • Action de différents extraits végétaux sur la mortalité des

    B Screening phytochimique Le screening phytochimique permet de mettre en évidence les métabolites secondaires des cinq espéces étudié L’extraction et la révélation de ces composés font appel à un ensemble de solvants et de révélateurs :.

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  • Direct Bioautography and Phytochemical Screening of Extracts

    dichloromethane, hexane) In each sequence of extraction, 10 g portion of the powdered dry plant in 80 mL of the solvent were kept for 2 hours in heat reflux extractor Dry weights were determined then kept in screw-cap tubes at 5 C Direct bioautography.

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  • Journal of Medicinal Plants Research

    The objective of the present study is to carry out bio-guided phytochemical investigation of Guiera senegalensis and Pseudocedrela kotschyi stem extracts The two plants are used as toothpicks for oral hygiene The inhibition test revealed a bacteriostatic effect of.

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  • Théme Etude Phytochimique du Pallenis spinosa

    Etude Phytochimique du Pallenis spinosa Soutenue publiquement le 24 / 04 / 2013 Devant le jury : Mohamed Cherif ABERKANE Maître de Conférences Université de Batna Président Ammar DIBI Professeur Université de Batna.

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  • Myostimulating Effect of Sesamum Radiatum Aqueous

    1/6/2011· This study was carried to examine the effects of the aqueous leaf extract of Sesamum radiatum, a laxative plant on the contractile activity of Taenia caeci, an intestinal smooth muscleStrips of Taenia caeci were rapidly removed from guinea-pig and were suspended between two L-shaped stainless steel hooks in a 10 ml organ bath with Mac Ewen solution.

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  • UNIVERSITE D’ANTANANARIVO FACULTE DES SCIENCES

    UNIVERSITE D’ANTANANARIVO FACULTE DES SCIENCES DEPARTEMENT DE CHIMIE ORGANIQUE Mémoire de recherche pour l’obtention du Diplôme d’Etudes Approfondies DEA en Chimie Option « Produits Naturels » Présenté le 04 octobre 2013.

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  • Expérimentation sur les PNPP

    Extraction Conservation Analyse phytochimique Identification de traceurs/ principes actifs Screening in vivo et in vitro Evaluation mode d’actions Essais au champ Méthodologie d’étude des PNPP 13/11/19 Colloque PNPP

    Plant extraction methods can either be cold or hot depending on whether heat is applied and several methods including maceration, infusion, decoction, Soxhlet, counter-current, sonication.

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  • Action de différents extraits végétaux sur la mortalité des

    Acta Bot Gallica, 2007, 1 (4), 503-509Action de différents extraits végétaux sur la mortalité des nématodes à galles du genre Mel id g e ssppar Nisrine El Allagui(1), Saïda Tahrouch(1), Mohamed Bourijate(2) et AbdelhakimHatimi(1)(1) Laboratoire de.

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  • Étude ethnobotanique et screening phytochimique de

    Étude ethnobotanique et screening phytochimique de Caesalpinia benthamiana Sci Nat Vol 4 N 2 : 217

    Accordingly, hexane, ethyl acetate, methanol and methanol-water (8:2, v-v) were used as extraction solvents As a result, hexane and ethyl acetate extracts showed potent activity, according to the World Health Organization, giving LC 50 = 759 mg/L and 669 mg/L for hexane.

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  • (PDF) Phytochemical Analysis and Antimicrobial

    The result showed that ethanol extract inhibits the action of staphylococcus aureus 9mm,Escherichia coli 4mm,salmonella tiphy 6mm, mucor 3mm,and candida albican 3mmN-hexane extract inhibits.

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  • Extraction, dosage des composés phénoliques et évaluation de

    Extraction, dosage des composés phénoliques et évaluation de l’activité antioxydante par le test DPPH de la propolis et pollen de l’est Algérien.

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  • Etude de l’activité anti-inflammatoire de Fillipendula ulmaria

    Etude phytochimique de Filipendula ulmaria 15 Partition liquide / liquide du brut MeOH et tests d’activités Extrait brut MeOH (≈1005g) Hexane 0626 g 3564 g CH 2 Cl 2 AcOEt 0037 g BuOH 2176 g H 2 O 2331 g IC 50 >>100 µg/mL IC 50 >>100 µg/mL IC.

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  • Screening phytochimique, activité antibactérienne et

    Un partage liquide/liquide par extraction en cascade au moyen de solvants à polarité croissante, hexane, dichlorométhane et acétate d’éthyle, a permis d’obtenir trois extraits organiqu Des tests d’activité biologique des différents extraits ont été réalisés in vitro sur quatre souches bactériennes pathogénes de référence et une souche fongique.

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  • Purification and characterization of a coumarin in methanolic leaf

    hexane and then with a mixture of hexane / chloroform (50/50) The desired pure product was obtained with chloroform This product has been described by Zabri et al (2009) and was isolated from the methanolic extract of S afzelii stems Yields of1.

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  • Théme Etude Phytochimique du Pallenis spinosa

    Etude Phytochimique du Pallenis spinosa Soutenue publiquement le 24 / 04 / 2013 Devant le jury : Mohamed Cherif ABERKANE Maître de Conférences Université de Batna Président Ammar DIBI Professeur Université de Batna.

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  • Purification and characterization of a coumarin in methanolic leaf

    hexane and then with a mixture of hexane / chloroform (50/50) The desired pure product was obtained with chloroform This product has been described by Zabri et al (2009) and was isolated from the methanolic extract of S afzelii stems Yields of1.

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  • A comparative study on phytochemical screening

    1/1/2020· Extraction of crude extracts from different Pistacia lentiscus parts The different extraction methods were followed to prepare crude extracts from leaves, twigs and fruits of Pistacia lentiscus L, from Melloussa and Moulay Idriss Zerhoun, by various solvents (hexane.

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  • Phytochemical constituents and preliminary toxicity

    The hexane fraction was used to dissolve the filtered residue, and this was fractioned with hexane in a silica column on the Soxhlet equipment The fractions hexane 1 and hexane 2 were obtained as a result, yielding 57834g (0289%) for hexane 1, 49818g (0249%) for hexane 2, 3992g (199%) for chloroform and 543579g (2717%) for ethyl acetate, at the end of this procedur.

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  • The Antimicrobrial Effect of Alkaloids (Harmin, Harmalin) Extracted

    This extraction is done using different solvents which are water, ethanol and hexane The antimicrobial activity of alkaloids taken from P harmala L seeds is determined by the method of.

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  • Screening phytochimique, activité antibactérienne et

    Un partage liquide/liquide par extraction en cascade au moyen de solvants à polarité croissante, hexane, dichlorométhane et acétate d’éthyle, a permis d’obtenir trois extraits organiqu Des tests d’activité biologique des différents extraits ont été réalisés in vitro sur quatre souches bactériennes pathogénes de référence et une souche fongique.

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