April 2012
Plant phenolic compounds for food, pharmaceutical and cosmetiÑs production
The biochemical features and biological function of dietary phenols, which are widespread in the plant kingdom, have been described in the present review. The ways of phenols classification, which were collected from literature based on structural and biochemical characteristics with description of source and possible effects on human, organisms and environment have been presented. The bioactivities of phenolic...
April 2012
Regression of hypercholesterolemic atherosclerosis in rabbits by hydroalcoholic extracts of Hypericum perforatum
Regression and suppression of atherosclerotic lesion may be a realistic goal in some patients. Antioxidants and hypolipidemic agents suppress the development of hypercholesterolemic atherosclerosis and induce regression of atherosclerosis. The objectives of this study were to determine effects of Hypericum perforatum L. (HPL) on regression of atherosclerosis in hypercholesterolemic rabbits. Rabbits...
April 2012
In vitro development of embryogenic calli and embryogenic stages in suspension cultures of mangosteen (Garcinia mangostana L.)
In this study, the potential of uncoated and coated mangosteen seed explants in forming embryogenic callus were examined in the basal Linsmaier and Skoog medium supplemented with different auxins at various concentrations. Among the highest percentage of callus response (93.3%) was obtained when uncoated seed explants were cultured in basal LS medium containing 8 mg/L 2,4-D. Combining of cytokinins and 2,4-D to improve...
April 2012
Chemical diversity of Cnidium monnieri Cusson in China assessed by reversed phase-high performance liquid chromatography (RP-HPLC) analysis
Cnidium monnieri Cusson (Umbelifera) is an annual herbs, widely grows in all parts of China except Xizang, and their fruits mainly contains coumarins. The chemical distinction as well as their variation in Cnidium fruits from different geographical sources was determined using reversed phase-high performance liquid chromatography (RP-HPLC) analysis. The concentrations of these coumarins were as follows:...
April 2012
Modelling of semisolid natural basis and powder of liquorice as active constituent influence on rheological characteristics of systems
Skin dysfunctions are a common problem. To restore and maintain skin functions, we modeled original semisolid hydrophobic systems from natural crude materials, using the experimental planning technique. The evaluation of the quality of the modeled systems according to the flow characteristics showed that the beeswax content in the systems affected their yield stress, consistency coefficient, and the flow behavior index,...
April 2012
Antibacterial activity and cytotoxicity of rhizomes of Dryneria quercifolia
The different organic solvent extracts of roots of Dryneria quercifolia J. Smith were tested for their antibacterial activity and cytotoxicity. Chloroform and ethyl acetate extracts (150mg/disc) showed good antibacterial activity as determined by disc-diffusion method against four Gram-positive and six Gram-negative bacteria than petroleum ether extract. The minimum inhibitory concentration (MIC) of each...
April 2012
Effects of long-term oral administration of aqueous extracts of Irvingia gabonensis bark on blood glucose and liver profile of normal rabbits
Irvingia gabonensis, which is consumed widely in Nigeria, has been shown to possess hypoglycaemic/anti-diabetic properties. In this study, the long term effects of aqueous extracts of I. gabonensis bark, orally administered daily, on body weight, blood glucose and liver function of normal rabbits were monitored at pre-determined intervals for 24 weeks. Body weight and fasting blood sugar were significantly...
April 2012
The therapeutic effects of Zingiber officinale extract on mice irradiated by 60Co γ-ray
Radiation can induce the acute and chronic radiation sickness via physical, chemical and biological mechanisms. In this study, we further investigated the therapeutic effects of gingerol on radiated mice. Mice were given gingerol at 800 mg/kg B.W. by oral gavage once daily for 5 consecutive days after exposure to 1, 3, 5 and 7 Gy of 60Co-gamma-radiation. Gingerol treated mice after irradiated by 3 and 5 Gy...
April 2012
Identification of the chemical constituents of bazhen decoction in rat feces by high performance liquid chromatography electro spray ionization mass spectrometry (HPLC-ESI/MS) n
A high performance liquid chromatography/mass spectrometry (HPLC/MS) was developed for the identification of rat feces in metabolites of the bazhen decoction. The metabolites were separated using gradient elution with mobile phase of 0.15% formic acid and acetonitrile. Blank and drug-containing feces samples were detected in the negative electrospray ionization, scan scope was 100 to 1200 and total ion...
April 2012
Antiproliferative activity of Erycibe elliptilimba against human leukemic cancer cell lines
Erycibe elliptilimba Merr and Chun., family Convolvulaceae, is a Thai traditional medicine that has long been used as a remedy for various infectious and malignant diseases. Biological examination of extracts from E. elliptilimba showed that the methanol fraction (F3) had significant antiproliferative effects on four human leukemic cell lines (NB4, HT93A, Kasumi and K562) with IC50 values of 57.74,...
April 2012
Comparative effects of Hirudo, Frankincense and Motherwort on the inhibition of blood platelet aggregation and P-selectin secretion
Blood harmonizing Leonurus japonicus Houtt. (Motherwort), blood activating Boswellia carterii Birdw. (Frankincense), and blood breaking and stasis expelling Whitmania pigra Whitman (Hirudo), which all belong to traditional medicines of activating blood and resolving stasis (ABARS), have been used in the treatment of tumors and tumor...
April 2012
Phenolic compounds and flavonoids from the fruits of Pandanus tectorius Soland
Fifteen (1-15) compounds including ten phenolic compounds and five flavonoids were isolated from the fruits of Pandanus tectorius. All of the compounds were isolated and purified by various column chromatographies especially by semi-preparative high performance liquid chromatography (HPLC). Their structures were determined under the aid of spectral methods. All compounds were isolated from this medicinal...
April 2012
Development of a simplified protocol for in vitro propagation of a valuable medicinal plant Plumbago zeylanica Linn. through nodal explants found in Odisha, India
An efficient and economic protocol for rapid in vitro propagation using nodal explants obtained from 2 year old, field grown medicinal plants of Plumbago zeylanica L. belonging to the family Plumbaginaceae was successfully achieved from the nodal segments. Shoot development was maximum (95%) on Murashige and Skoog’s (MS) basal medium supplemented with 6- Benzyl amino purine (BAP) (2.0...
April 2012
Genetic diversity of the genus Gnaphalium in China assayed using random amplified polymorphic DNA analysis
We have analyzed the genetic diversity and affinity relationships among five species and eight populations of the Genus Gnaphalium from the Jiangsu and Zhejiang Provinces of China. The random amplified polymorphic DNA (RAPD) technique was used to analyze genetic diversity, and a dendrogram figure was constructed using the Unweighted Pair Group Method (UPGMA). Thirty RAPD primers were tested, the amplified DNA...
April 2012
Flavonoid compounds and their antioxidant activity in extract of some tropical plants
The study was counducted to investigate flavonoids content and antioxidant activities in some tropical plants namely cabbage (Brassica oleracea), green chilli (Capsicum annum), red chilli (Capsicum annum), carrot (Daucus carota), red spinach (Amaranthus gangeticus), white radish (Raphanus sativus), lemon grass (Cymbopogon citratus) and turmeric (Curcuma longa). Total flavonoid (TF) content was observed to be...
April 2012
Effect of humic substances on the quality of essential oils of medicinal plants
Environmental factors cause changes in growth of medicinal plants as well as the quantity and quality of their essential oil composition. Among those, the factors of soil; especially the roles of fertilizer nutrients (nitrogen, phosphate and potash) possess a remarkable importance. In the present research, we utilized SAPROPEL packed by a Russian Firm and humic acid, extracted from the soil of the north-Iranian forest,...
April 2012
Attenuating effect of Allium ascalonicum L. on paracetamol induced seminal quality impairment in mice
Overdose and long term use of paracetamol caused testicular toxicity by its toxic oxidative metabolites. Red onion (Allium ascalonicum L.) bulbs are rich in quercetin, a strong antioxidant flavonoid which plays a crucial role in cell defense system against oxidative stress. The aim of this study is to determine the attenuating effect of A. ascalonicum juice on testicular toxicity induced by paracetamol...
April 2012
Evaluation of Picrorhiza kurrooa accessions for growth and quality in north western Himalayas
Different accessions of Picrorhiza kurrooa were evaluated for growth and marker compound accumulation pattern under field conditions at village Chuner, Sub Tehsil, Holi, Distt. Chamba (HP) located at an elevation of 2538 m during 2006 to 2010. Six accessions with higher Picroside content and vegetative growth were identified for further multiplication. Accession IHBT-PK-8 recorded higher leaf numbers/plant...
April 2012
Salvianolic acids production in Salvia miltiorrhiza Bunge was regulated by both soluble sugars accumulation and growth substances salicylic acid and methyl jasmonate
This study aimed to investigate relationships between production of salvianolic acids inSalvia miltiorrhiza Bunge and sugars accumulation, growth substances salicylic acid (SA), and methyl jasmonate (MeJA). The foliar application of 2 mmol/L SA for two weeks significantly decreased activities of acid invertase (pH 5.0) and neutral invertase (pH 7.0) in both seedlings and fruiting plants of S. miltiorrhiza, and...
April 2012
Acute mammalian toxicity of four pesticidal plants
Many plant species show potential as alternatives to synthetic pesticides but little is known about their acute mammalian toxicity. The single-dose acute oral toxicities of crude aqueous extracts of Strychnos spinosa and Bobgunnia madagascariensis fruits and the foliage of Vernonia amygdalina and Cissus quadrangularis (plant species that are commonly used as pesticides in Southern...
April 2012
Antimicrobial activity and constituents of the hexane extracts from leaf and stem of Origanum vulgare L. ssp. Viride (Boiss.) Hayek. growing wild in Northwest Iran
Antimicrobial effects of various hexane extract and fatty acids have been extensively studied. Fatty acids with nonpolar compounds have been found to have a broad spectrum of microbicidal activity. The hexane extracts from leaf and stem of Origanum vulgare L. ssp. Viride which were collected from Northwestern Iran, were obtained by Soxhlet apparatus. The fatty acids in hexane extracts were...
April 2012
Indigenous wild medicinal plants used by local people of Dudial area, District Mirpur, Azad Jammu and Kashmir, Pakistan
An ethnobotanical study of common medicinal plants of Dudial area, district Mirpur AJK was conducted to investigate the traditional medicinal knowledge of plants. A total of 35 plant species belonging to 30 families were identified and recorded with the help of semi-structured and close ended questionnaires. During this study, 11 Hakims and 68 local informers were interviewed and 72 different sites were visited....
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