In vitro Antimicrobial Activity of Crude Tannins Isolated from the Stem Bark of Annona senegalensis
نویسندگان
چکیده
منابع مشابه
Antidiarrhoeal activity of the methanol stem-bark extract of Annona senegalensis Pers. (Annonaceae).
AIM OF THE STUDY To investigate the antidiarrhoeal properties of the stem-bark extract of Annona senegalensis, using both in vivo and in vitro models. MATERIALS AND METHODS Swiss albino mice were used to investigate the acute oral toxicity of the extract. The extract was administered orally to mice fed with charcoal meal in order to investigate intestinal transit time. The effect of the extra...
متن کاملAntimicrobial Effects of a Lipophilic Fraction and Kaurenoic Acid Isolated from the Root Bark Extracts of Annona senegalensis
Root bark preparation of Annona senegalensis Pers. (Annonaceae) is used in Nigerian ethnomedicine for treatment of infectious diseases. Extraction of the A. senegalensis powdered root bark with methanol-methylene chloride (1 : 1) mixture yielded the methanol-methylene extract (MME) which was fractionated to obtain the ethyl acetate fraction (EF). The EF on further fractionation gave two active ...
متن کاملAnticonvulsant effect of kaurenoic acid isolated from the root bark of Annona senegalensis.
CONTEXT The herbal preparations of Annona senegalensis Pers. (Annonaceae) root bark are used in Nigerian ethnomedicine for the treatment of epilepsy and febrile seizures. The scientific evidence for this effect has been reported. OBJECTIVE The aim of this study was to identify and characterize the active constituent responsible for the anticonvulsant effect. MATERIALS AND METHODS Bioactive-...
متن کاملAnticonvulsant Activity of Aqueous Root Extract of Annona Senegalensis Pers
Objective: Annona senegalenesis Pers is a sprawling shrub belonging to the family Annonaceae, and is mainly used in ethnomedicine. The use of decoction of A. senegalenesis is very prominent in the management of various conditions ranging from bacterial infection, worm infestation, snake bites, pyrexia and febrile convulsion in folk medicine. Methods: The investigation on anti...
متن کاملcomparison of catalytic activity of heteropoly compounds in the synthesis of bis(indolyl)alkanes.
heteropoly acids (hpa) and their salts have advantages as catalysts which make them both economically and environmentally attractive, strong br?nsted acidity, exhibiting fast reversible multi-electron redox transformations under rather mild conditions, very high solubility in polar solvents, fairly high thermal stability in the solid states, and efficient oxidizing ability, so that they are imp...
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ژورنال
عنوان ژورنال: British Biotechnology Journal
سال: 2014
ISSN: 2231-2927
DOI: 10.9734/bbj/2014/11885