Abbreviation: J. Pharmacognosy Phytother.
Start Year: 2009
Page 1 of 8, showing 20 records out of 156 total, starting on record 1, ending on 20
DOI: 10.5897/JPP2016.0440[Article Number: 488C71563026]
This study is aimed at evaluating the biochemical effects and antioxidants activity of extracts of Vernoia calvoana Hook. f (V.C) on STZ induced diabetic rats. Thirty-six rats weighing (100 to 150 g), were divided into 6 groups of 6 animals each. Groups 1 and 2 representing normal and diabetic controls (NC and DC), respectively, receiving placebo, while groups 3 to 6 represented diabetic treated, receiving 500 mg/kg... Read more.
DOI: 10.5897/JPP2016.0416[Article Number: 5858D3063028]
The phytochemical constituents of stem bark extracts of Khaya senegalensis were isolated and analyzed using Gas Chromatography-Mass Spectrometry (GC-MS). A shade-dried stem bark of K. senegalensis was extracted using methanol and water as solvents. The main chemical compositions of the extracts were analyzed by GC-MS and preliminary phytochemical analysis was performed to confirm the various classes of active chemical.... Read more.
DOI: 10.5897/JPP2016.0389[Article Number: 20B684A62675]
The aim of this study is to investigate the antioxidant and protective effect of an aqueous extract from Urtica dioica on liver injuries, induced by one of the most potent dietary carcinogenic agents N- Nitroso methyl urea (NMU). Firstly, the free radical scavenging activity of U. dioica extract was assessed by measuring its capability to scavenge the radical 2,2-diphenyl-1-picrylhydrazyl (DPPH). Liver injury was... Read more.
DOI: 10.5897/JPP2015.0399[Article Number: 2D7E7B862099]
The aerial parts of Achillea fragrantissima (Forssk.) Sch. Bip., wildly grown in Egypt, yielded 0.8 and 1.5% (v/w) of essential oils prepared by hydrodistillation (HD), or by conventional volatile solvent extraction method (preparation of the “absolute”, SE), respectively. The volatile components of this essential oil were determined by GC–MS analyses. Twenty eight compounds were identified in... Read more.
DOI: 10.5897/JPP2013.0261[Article Number: C759C4762103]
The leaf extracts of Phyllanthus amarus Schum and Thonn. a common Western Nigerian weed, was investigated for phytochemical constituents and antimicrobial activities. Hexane extracts demonstrated the highest extraction of 59% followed by Acetone (57%) and water (48%). Saponins, tannins, alkaloid flavonoids, balsam, anthraquinones and phenols were extracted in an acidic medium. Twelve microorganisms (8 bacterial species... Read more.
DOI: 10.5897/JPP2013.0430[Article Number: B97BB0C62184]
Research in the area of herbal psychopharmacology has increased considerably over the past few decades in search of panacea for neuroprotection. Seaweeds are one of the herbal sources consumed in many Asian countries as medicine due to their remarkable bioprospecting properties and evident health benefits. Keeping in view the bioactive potential of seaweeds, the present study was designed to evaluate the... Read more.
DOI: 10.5897/JPP2016.0425[Article Number: EB9C9A561814]
This research was carried out with the aim of phytochemical analysis and determining antioxidant activity present in methanol and chloroform leaf extracts of Azadirachta indica. Due to its potential in curing various ailments as well as wide spread application of antioxidant activity such as in the field of cosmetology, the plant was selected for the study. The total phenolics contained in the plant extracts were also... Read more.
DOI: 10.5897/JPP2016.0422[Article Number: FDD566E61816]
Styrax officinalis is a deciduous large shrub that grows in many Mediterranean countries. Active ingredients are localized in the fruit pericarp. Primary phytochemical analysis showed the presence of saponins, tannins and triterpenes and absence of alkaloids and flavonoids. No antimicrobial, but strong ichthyotoxic and molluscicidal effects were observed in the saponin-rich extract .Toxicity tests with the snail Cornu... Read more.
DOI: 10.5897/JPP2016.0428[Article Number: CFEE9FF61424]
The use of alcoholic beverages is more common and accepted by our society despite the health risks. Alcohol catabolism produces free radicals that cause oxidative stress and damage in liver principally. Hawthorn (Crataegus oxyacantha) is a medicinal plant that has been shown to have wide variety of polyphenolic compounds with antioxidant and hypolipidemic effect. The objective of this study was the evaluation of... Read more.
DOI: 10.5897/JPP2016.0406[Article Number: EB9650660851]
Amaranthus viridis is an ecumenical species in the botanical family of Amaranthaceae, which has been traditionally used to treat several skin diseases along with some antilipidemic activities. The present study was carried out to investigate the anti-hyperglycemic effect of 75% ethanolic extract of A. viridis in Neonatal streptozotocin (N-STZ) induced rats’ hemi-diaphragm, including screening for secondary plant... Read more.
DOI: 10.5897/JPP2016.0413[Article Number: 7EA413060860]
Coffea arabica (Arabica) and Coffea canephora (Robusta) are the economic plants in Thailand that are widely cultivated in Northern and Southern Thailand. This study aims to evaluate the antioxidant, anti-tyrosinase activities, toxicity, stability and identify chemical components of the coffee bean extracts. The best extract that showed good biological activities will be further used to develop cosmeceutical products.... Read more.
DOI: 10.5897/JPP2016.0408[Article Number: 7D3B0E760454]
The study was carried out to investigate the effect of seasonal changes on the quantity of phytochemicals in leaves of three medicinal plants: Barleria dinteri, Grewia flava and Jatropha lagarinthoides, collected from Limpopo province in South Africa. Three medicinal plants were collected during different seasons of the year and phytochemicals were quantified on plant samples collected in each season. Alkaloids and... Read more.
DOI: 10.5897/JPP2015.0369[Article Number: 75D9A2059694]
Zingiber officinale is known for its cholesterol-lowering and antioxidant properties. The use of traditional medicine reduces the use of drugs with a risk of toxicity. This study aims to assess the effects of ethanol extract of Z. officinale and atorvastatin on lipid parameters in rats fed with high-fat diet. The experiment was carried out on 40 rats during 9 weeks. The animals were divided into 4 groups; group 1... Read more.
DOI: 10.5897/JPP2016.0392[Article Number: CC1D48359696]
The composition of the essential oil of the root of Mondia whitei was analysed by gas chromatography-mass spectrometry (GC/MS). The agar-well diffusion technique was used for the antimicrobial assay of the oil against nine clinical pathogenic organisms viz. Bacillus cereus, Escherichia coli, Candida albicans, Klebsiella pneumoniae, Pseudomonas aeruginosa, Proteus mirabilis, Salmonella typhi, Staphylococccus aureus and... Read more.
DOI: 10.5897/JPP2016.0398[Article Number: 0695F5659310]
Medicinal plant extracts are known to possess breast cancer antidote. The present investigation is focused on anticancer efficacy of various parts of Annona squamosa. The organic (ethanol) extracts from various parts of Annona squamosa were prepared using soxhlet apparatus and tested for in vitro anticancer efficacy on Breast cancer cell line MCF-7 by MTT (3-(4, 5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide)... Read more.
DOI: 10.5897/JPP2015.0366[Article Number: C24B8EA58820]
The objective of this research was to determine the chemical composition of aerial parts extract from methanol. The phytochemical compound screened by gas chromatography-mass spectrometry (GC-MS) method. Thirty one bioactive phytochemical compounds were identified in the methanolic extract of Ocimum basilicum. The identification of phytochemical compounds is based on the peak area, retention time molecular weight,... Read more.
DOI: 10.5897/JPP2015.0374[Article Number: A32013558401]
This is a de novo drug design study that aimed to create novel structures based on the alkaloid Huperzine A, capable of inhibiting the acetylcholinesterase (AChE) enzyme ligand binding pocket (AChE_LBP) for the management of Alzheimer’s disease. The X-ray crystallographic model of the Torpedo Californica AChE complexed to Huperzine A was identified from the Protein Data Bank (PDB ID 1VOT). Molecular visualisation... Read more.
DOI: 10.5897/JPP2015.0371[Article Number: B0E357C58403]
The aim of this study was determination the phytochemical composition of methanolic seeds extract of Euphorbia lathyrus. Gas chromatography-mass spectrometry (GC-MS) analysis of E. lathyrus revealed the existence of the Carbonic acid, (ethyl)(1,2,4-triazol-1-ylmethyl) diester, 1H-Pyrrole,2,5-dihydro-1-nitroso, Hexanal dimethyl acetal, Isosorbide dinitrate, DL-Arabinose,... Read more.
DOI: 10.5897/JPP2015.0384[Article Number: EC775EF58096]
A comparative study of the volatile terpene fraction isolated from the leaves of Eucalyptus camaldulensis attacked by the gall wasp (Leptocybe invasa) and from the healthy leaves of the plant was carried out using gas chromatography-mass spectrometry. A total of 59 components representing 89.13 and 88.6%, respectively, of their total volatile fraction contents were analyzed. Of these volatiles, 26 compounds with... Read more.
DOI: 10.5897/JPP2015.0368[Article Number: DB4887957369]
The main objective of this study was to determine the phytochemical composition from the dried galls of Quercus infectoria, using methanolic extraction and report the main functional components by using infrared (IR) technique. The phytochemical compound screened by gas chromatography-mass spectrometry (GC-MS) method. Twelve bioactive phytochemical compounds were identified in the methanolic extract of Q. infectoria.... Read more.
Page 1 of 8, showing 20 records out of 156 total, starting on record 1, ending on 20