June 2010
Antiproliferative activity of aqueous extract of Piper betle L. and Psidium guajava L. on KB and HeLa cell lines
The aim of the present study was to assess the effect of the aqueous extracts ofPsidium guajava and Piper betle plants on the proliferation of cancerous cell lines, that is KB and HeLa cell line. Using the neutral red cytotoxicity assay, the IC50 of P. guajava and P. betle were determined at 29.0 ± 0.4 and 29.5 ± 0.3 µg/ml, respectively, indicating both...
June 2010
In vitro anti-malarial activity of 20 quinones isolated from four plants used by traditional healers in the Democratic Republic of Congo
The anti-malarial activity of 20 quinones isolated from Cassia alata, Cassia occidentalis, Garcinia kola and Ocimum basilicum was investigated in vitrousing the micro dilution test of Desjardin by a visual evaluation on thin blood smears. The six quinones isolated from C. occidentalis, three from C. alata and three from O. basilicum were found to be the...
June 2010
The potential use of Prunus africana for the control, treatment and management of common fungal and bacterial infections
Traditionally Prunus africana stem bark decoctions are used for treating and managing chest pain, malaria, and fever. The present study investigated the antibacterial and antifungal activity of hexane and methanol stem bark extract ofPrunus africana. Disc diffusion assay was used to evaluate antimicrobial activity against Staphylococcus aureus ATCC 25923, Pseudomonus...
June 2010
The possible role of medicinal plants in tackling resistant microbial pathogens in Limpopo Province, South Africa
The present study was conducted to investigate the antibacterial activities of nine selected medicinal plants against metheciline resistance coagulase negative Staphylococcus, metheciline resistance Staphylococcus aureus and extended spectrum beta-lactamase producing Escherichia coli, Enterobacter cloace and Pseudomonas aeroginosa. The grounded plant materials were extracted with different...
June 2010
Wild medicinal plants and their usage in traditional human therapy (Southern Bosnia and Herzegovina, W. Balkan)
Both Mediterranean and Sub-Mediterranean regions of Bosnia and Herzegovina are known for very prominent traditional usage of wild medicinal and aromatic plants for the treatment of various diseases. Ethno botanical interview method was used to collect information from the sample population comprised of 55 adults, of different religious background (Catholics, Muslims, and Orthodox), with an average age of 63. This...
June 2010
Antimicrobial activity of the water extracts of the leaves and fruits of Carissa edulis Vahl (Apocynaceae)
Carissa edulis Vahl (Apocynaceae) is used commonly in Northern Nigeria for the treatment of various microbial infections such as venereal, upper respiratory, skin and gastro-intestinal. The antimicrobial activity of the water extracts of the leaves and fruits were screened using Staphylococcus aureus, NCTC 6571,Escherichia coli NCTC 10418, Pseudomonas aeruginosa NCTC 6750 andBacillus...
June 2010
Antipsychotic effect of aqueous stem bark extract of Amblygonocarpus andongensis in Wistar albino rats
The study of antipsychotic effect of the aqueous stem bark extract ofAmblygonocarpus andongensis was carried out on amphetamine induced psychosis in 42 Wistar albino rats weighing between 105 and 305.2 g using feeding and locomotor activities as indices of psychosis. All the experimental rats were given psychotic symptoms through amphetamine use, they were treated with nothing (control), low, moderate and high...
June 2010
Pharmaceutical prospecting of natural products from the genus Amberboa
Pharmaceuticals have attracted increased attention because of their beneficial effects on human health. A large number of secondary metabolites with various biological activities have been discovered but the potential for industrial development as drugs and nutritional supplements are limited. However, some bioactive substances derived from plants have diverse functional roles as secondary metabolites and these...
June 2010
HPLC-DAD separation and determination of major active constituents in an important Tibetan medicine Meconopsis quintuplinervia from different regions of Qinghai-Tibet Plateau
This study describes a simple and sensitive method for the simultaneous determination of major flavonoids active constituents in a traditional Tibetan medicine Meconopsis quintuplinervia collecting from 29 different localities of Qinghai-Tibet Plateau by high-performance liquid chromatography coupled with diode array detection (HPLC-DAD). The optimal conditions of separation and detection were achieved on a...
June 2010
An annual variation in essential oil composition of Origanum syriacum from Southeast Anatolia of Turkey
Seasonal variations of the essential oil of Origanum syriacum were analysed by GC/MS. Twenty five components were identified, independent of season, among which thymol was the main component with 46.70% in the summer and p-cymene was the main component with 62.18% in the early spring. From the other compounds occurred in lower amounts, γ–Terpinene ranged from 0.63 - 19.08% and its...
June 2010
Total phenolic compounds and antioxidant capacity of leaf, dry fruit and fresh fruit of feijoa (Acca sellowiana, Myrtaceae)
The methanol extract of fresh fruit (MEFF), dry fruit (MEDF) and leaf of feijoawere analysed for antioxidant capacity in different systems including reducing power, free radical scavenging, total antioxidant activity, and metal chelating activities. Those various antioxidant activities were compared to standard antioxidants. The percentage inhibitions of 40 mg/ml concentration of MEFF, MEDF and...
June 2010
Role of the methanolic extracts of Boswellia serrata and Lavandula angustifolia on apomorphine induced ejaculation in male Wistar rats
Ejaculation is a complex physiological and psychological process which cholinergic and dopaminergic mechanisms might be involved in regulation of it. Rapid ejaculation is the most frequently encountered sexual complaint of men and different method of treatments were recommended. The aim of this study was to investigate possible role of the methanolic extracts of the Boswellia...
June 2010
Exploration of medicinal species of Fabaceae, Lamiaceae and Asteraceae families in Ilkhji region, Eastern Azerbaijan Province (Northwestern Iran)
As medicinal plants are suitable alternatives for synthetic and chemical drugsthey are also considered to be full of secondary metabolites (like essential oils, antibacterial, antifungal and other products). In addition, because of great variety of Lamiaceae, Asteraceae and Fabaceae families, plant species of these families were collected according to the classical method of regional floristical...
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