A series of experiments have been undertaken to determine the effect of water extracts from pine bark (Pinus radiata) on the inhibition of the sporulation of oocysts of three species of avian coccidia. Tubes containing coccidian oocysts isolated from droppings of coccidia-infected chickens were randomly assigned to 0, 250, 500 and 1000 microg/ml pine bark extract (PBE). The tubes were incubated...

In this study, 44 compounds in the petroleum ether extract of Maqian (Zanthoxylum myriacanthum var. pubescens) bark, a traditional Dai herbal medicine, were identified by GC-MS. Major components included 3(2H)-benzofuranone, asarinin and (dimethoxymethyl)-3-methoxy-benzene. A total of 18 compounds were isolated from the ethyl acetate extracts of Maqian bark by column chromatography and identifi...

Objective: To study on anticancer effect in vitro and chemical compositions of root bark extracts of Acanthopanax henryi. Methods: The hot methanol extract of the root bark of A. henryi was through XAD-4 column chromatography eluting with a gradiennt of methanol in water. The anticancer effects of MeOH fractions were evaluated by MTT method. Then compounds were isolated by a combination of chro...

Bauhinia variegata Linn. (Kanchnar/Rakta kanchan), is a widely used medicinal plant by the tribals throughout India and popular in various indigenous system of medicine like Ayurveda, Unani and Homoeopathy. In the present investigations, the anticarcinogenic activity of Bauhinia variegate bark extract was evaluated using two stage protocol in skin papillioma model in Swiss albino mice. The sign...

Development of more effective and less toxic antifungal agents is required for the treatment of fungal diseases of plants and human being. The medicinal plants and their various extracts have been used as medicines against infectious diseases and found as potent against crops as well as human pathogenic fungal stains. In this study, the antifungal activity of O. europaea (cultivated olive) leav...

Pterygota macrocarpa and Cola gigantea are African medicinal plants used in traditional medicine for the treatment of sores, skin infections, and other inflammatory conditions including pains. This study therefore aims at investigating the antimicrobial properties of ethanol leaf and stem bark extracts of P. macrocarpa and C. gigantea using the agar diffusion and the micro-dilution techniques a...

Parts of the plant Thalictrum rhyncocarpum are used in herbal medicine in Kenya to treat various infections. The aim of this study was to evaluate in-vitro anti-bacteria activities and phytochemical profiles of solvent extracts of the leaves, stem bark and root of Thalictrum rhyncocarpum against Bacillus subtilis-6633, Staphylococcus aures-SG 511, Escherichia coli SG 458, Pseudomonus aeruginosa...

Nine bisindole alkaloids, comprising four belonging to the macroline-sarpagine group, and five belonging to the macroline-pleiocarpamine group, were isolated from the stem-bark extracts of Alstonia angustifolia (Apocynacea). Their structures were established using NMR and MS analyses.

The antibacterial activities of the methanolic leaf and bark extract of Persea americana was tested in vitro on bacterial isolates namely: Streptococcus pyogenes, Proteus mirabilis, Salmonella typhi, Klebsiella pneumoniae, Escherichia coli, Bacillus subtilis (NCIB 3610), Staphylococcus aureus (NCIB 8588), Escherichia coli (NCIB 86), Klebsiella pneumoniae (NCIB 418) and Pseudomonas aeruginosa (N...

The present study was performed to substantiate the traditional claim of the wound healing activity of stem bark of Albizzia lebbeck Linn. in rats. The effects of aqueous and ethanolic extracts of stem bark of A. lebbeck (5% and 10% w/v topically and 250 mg/kg and 500 mg/kg p.o.) on excision, incision and dead space wound model were examined. The extracts were administered orally for 10 days fo...