October 2010
Molecular identification of original plants of Spica prunellae based on ITS sequence
The ITS sequences of the original plants of Spica prunellae and its confusable species including 16 individuals belonging to 6 species from 12 localities, were analyzed. The results showed that the length of ITS sequences was 584 bp after alignment and the overhanging terminals were cut. When alignment gaps were treated as missing data, there were 150 variable sites. The percent divergence between species was...
October 2010
Evaluation of larvicidal properties of the latex of Euphorbia tirucalli L. (Euphorbiaceae) against larvae of Anopheles mosquitoes
Malaria is the most important vector-borne disease in tropical and sub-tropical countries. Although, different control measures like use of insecticide-impregnated mosquito nets and curtains, chemotherapy and others are in place, so far, malaria eradication has proved impossible in affected areas. Therefore, any measure that attempts to fight the parasite or its vector (Anopheles spp.) would be of help. In this...
October 2010
Synthetic and pharmacological studies on a natural cyclopeptide from Gypsophila arabica
The present study deals with the synthesis of a novel proline-rich cyclopeptide - gypsin B 7 via coupling of tripeptide units Boc-l-Tyr-l-Phe-l-Pro-OH and Gly-l-Leu-l-Pro-OMe utilizing two different carbodiimides, followed by cyclization of linear polypeptide fragment. Structure elucidation of newly synthesized peptide was done on basis of FT-IR, 1H-NMR, 13C-NMR, ESI-MS/MS data. From biological evaluation, it...
October 2010
Suitable in vitro medium for studying pollen viability in some of the Iranian hawthorn genotypes
Hawthorn is one of the most important medicinal plants with more nutrients, medical, ornamental and sanitary properties and used as a main dry tolerant rootstock recently. Commercial part of the hawthorn is its fruits and the most important factors involved in fruit set are pollination, pollen tube growth and fertilization. This study was carried out to investigate pollen germination and tube growth of some...
October 2010
Influence of Epimedium koreanum on the performance of laying hens, egg quality, and fat soluble vitamin and cholesterol contents in the yolk
This study was conducted to evaluate the effects of feeding Epimedium koreanum to laying hens on performance, as well as to determine its effects on interior and exterior egg quality along with fat soluble vitamin and cholesterol contents in the egg yolk. The experimental diets contained 0.0, 1.0, 5.0, or 10.0 g/kg E. koreanum. No significant changes were observed in the rate of egg production, with all...
October 2010
Role of black seeds (Nigella sativa) in ameliorating carbon tetrachloride induced haematotoxicity in Swiss albino mice
The effect of the oral administration of an aqueous suspension of Nigella sativa(50 mg/kg b.wt.) against morphological, cytological and biochemical alterations of blood cells in mice treated with carbon tetrachloride (CCl4) was studied. CCl4was administered at a dose of 1.9 ml/kg b.wt (¼ LD50) every other day for three successive weeks. The results indicated significant changes in the haematological...
October 2010
Elemental analysis of some medicinal plants used in traditional medicine by atomic absorption spectrophotometer (AAS)
Different elemental constituents at trace levels of plants play an effective role in the medicines prepared. Elemental composition of different parts including leaves, seeds and fruits have been determined by using Atomic Absorption Spectrophotometer (AAS). A total of 14 elements K+, Mg+2, Ca+2, Na+, Fe+2, Co+3, Mn+2, Cu+3, Cr+3, Zn+2, Ni+3, Li+1, Pb+4 and Cd+2 have been measured. Their concentrations were...
October 2010
Analgesic, antipyretic and anti-inflammatory effects of Tacca chantrieri Andre
Tacca chantrieri Andre is an indigenous perennial of the tropics which is used by local healers to relieve pains of the body and stomach, and as an antidote for food poisoning. The present study was undertaken to investigate the analgesic, antipyretic and anti-inflammatory activities of T. chantrieri as claimed in traditional medicine. The ethanolic extract of the plant’s rhizome was prepared and...
October 2010
Hypoglycemic effects and mechanisms of Portulaca oleracea L. in alloxan-induced diabetic rats
Portulaca oleracea L. (POL) has been used as one of the traditional oriental medicines to treat bacteria, virus, antherasis, caducity, diabetes and for enhancing immunity. This study aims at revealing effects of POL on alloxan-induced diabetic rats and its mechanisms. According to thin layer chromatography assay, the main compounds of POL included organic...
October 2010
Studies on medicinal and toxicological properties of Cajanus cajan, Ricinus communis and Thymus vulgaris leaf extracts
Methanolic extracts of the leaves of Cajanus cajan (pigeon pea), Ricinus communis (castor bean) and Thymus vulgaris (thyme) were investigated for their medicinal, antimicrobial and toxicological properties. Phytochemical screening of the leaves revealed the presence of tannins, phlobatannins, flavonoids, steroids, terpenoids, saponins and cardiac glycosides which are the most important...
October 2010
Comparison of the chemical constituents and in-vitro antibacterial efficacies of the extracts of Croton zambesicus Muell ARG. stem-bark
The stem bark of Croton zambesicus was extracted using soxlet apparatus with petroleum ether, ethyl acetate, methanol and distilled water respectively. The extracts were screened for chemical components. The results revealed the presence of carbohydrates, saponins, cardiac glycosides, flavonoides, terpenes/steroids and alkaloids. In vitro antimicrobial study of the extracts revealed strong broad...
October 2010
Studies of phytochemical constituents and anti-trypanosomal properties of fermented wheat germ and garlic bulbs extract on Trypanosoma brucei – infected rats
Ethyl acetate extract of wheat (Triticum aestivum) and methanolic extract of garlic (Allium sativum) were obtained by fermenting powdered wheat germ and garlic bulbs. The extracts were assessed for their active constituents. The result of the quantitative phytochemical analysis shows that the plant contain secondary metabolite with high percentage of glycoside (19.513%), alkaloids (4.017%) and saponins(7.992%) for...
October 2010
The in vitro antioxidant property of methanolic extract of Afzelia africana (Smith.)
Antioxidant agents of plants origin have continued to attract interest because of the potential they hold in the maintenance of human health accompany with their minimal side effects. In this study, the antioxidant activity of the crude methanolic stem bark extract of Afzelia africana was investigated using the scavenging activities on superoxide anions, 2, 2-diphenhyl-1-picrylhydrazyl (DPPH), Hydrogen...
October 2010
The morphology, characteristics, and medicinal properties of Camellia sinensis’ tea
The aim of this literature review was to provide essential information about a plant which is known to everyone as a beverage. In this study we collected particular information about the tea, such as its history, botanical classification, types, extraction methodologies, plant morphology, its active constituents and uses as medicine. Every aspect was elaborated briefly with essence of easy understanding. Special...
October 2010
Free radical scavenging potential of some Indian medicinal plants
Indian medicinal herbs and plants are used since ancient times to treat different diseases and ailments as these natural products exert broad-spectrum actions. The present study was aimed to explore the hydrogen donating and hydroxyl radical scavenging potential of methanol extract of 10 medicinal plants belonging to six families including mimosaceae, Apocynaceae, moraceae,...
October 2010
Indigenous knowledge and sustainable development in the Tones Valley of Garhwal Himalaya
The inhabitants of the Tones Valley have survived on their traditional management practices for their needs. The paper has looked at traditional systems of forestry and agricultural system management in the west-central Himalayan region. Based on a detailed analysis of traditional knowledge that is linked with biodiversity, natural and human-managed, various possibilities for sustainable management of natural resources,...
October 2010
Antioxidant and antigenotoxic activities of Globularia alypum leaves extracts
Since ancient times, traditional medicine has used plant extracts for the treatment of diseases and there has been recent interest in the chemopreventive properties of compounds derived from plants. In the present study, we investigated the antioxidant potentials of extracts of Globularia alypum leaves with the Ferric Reducing/Antioxidant Power (FRAP) and Reducing Power (RP) assays and we evaluated their...
October 2010
Effect of different propagation media on seed germination, seedling growth and vigour of nutmeg (Myristica fragrans Houtt.)
Experiment conducted on the seed germination, seedling growth and vigour of nutmeg (Myristica fragrans) revealed that there were significant differences in germination and seedling growth behaviour of nutmeg seeds sown in twenty one different combination of growth media. The results showed germination characters like early germination, germination percentage, germination index and earliness index were maximum in the...
October 2010
Securing electronic medical records transmissions over unsecured communications: An overview for better medical governance
Nowadays, health care is one of the most important subjects in life. In USA, 100 billion dollars will be spent in the next 10 years, according to experts. The Electronic Medical Record (EMR) is usually a computerized legal medical record created in an organization that delivers care, such as a hospital and doctor's surgery. In the age of technology, one of the most important factors for EMR is that it secures the...
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