June 2011
Antimicrobial properties of leaves of Calycopteris floribunda Lam.
The antimicrobial activities of leaf extracts of Calycopteris floribunda in three different solvents such as diethyl ether-methanol, aqueous 90% methanol extract and petroleum ether-butanol extract were tested against Bacillus cereus, Bacillus subtilis andStaphylococcus aureus. The diethyl ether-methanol extract of the leaves and its petroleum ether-butanol fraction showed significant antibacterial...
June 2011
Nutritional analysis, micronutrients and chlorophyll contents of Cichorium intybus L.
In this study, the nutrient levels and chlorophyll contents of roots, leaves, seeds and seeds (market) of Cichorium intybus were determined. The nutritional analysis revealed that C. intybus is to be rich in crude proteins, fats and carbohydrates (indicating its suitability as a fodder crop). There was significant difference in the crude protein, fats, crude fiber in all parts and seeds both wild and...
June 2011
Arthritis database: A composite web interface for anti-arthritic plants
A number of plants have been described in Ayurveda and other traditional medicine for the management of Arthritis. However, information about them is not easily available. We developed a database to maintain the record of medicinal plants having anti-arthritic activity. The database contains information such as plant name, botanical name, useful plant parts, its geographical distribution, taxonomy, clinical/experimental...
June 2011
Enhancement of gastric ulcer by Areca catechu nut in ethanol-induced gastric mucosal injuries in rats
Areca catechu L. (Arecaceae) nuts have been used in traditional medicine for the treatment of different diseases. The present study was performed to investigate the enhancement of ulcerogenic activity of ethanol extract from nuts of A. catechu in ethanol induced gastric mucosal injury in rats. Four groups of adult Sprague Dawley rats were orally pre-treated respectively with carboxymethyl cellulose (CMC)...
June 2011
In vitro antimicrobial activity of some phytochemical fractions of Euphorbia pulcherima L. (Poinsettia)
The antimicrobial activities of aqueous and ethanolic extracts of flower, leaf, stem and whole plant of Euphorbia pulcherima were evaluated against bacteria and fungi by agar disc diffusion and macro broth dilution techniques. This was with the aim of substantiating the ethno medicinal use of the plant as anti-typhoid. The bacterial isolates showed sensitivity at discs concentrations of 1000 μg/disc to 1000...
June 2011
Extracts of Eremophila longifolia inhibit the cariogenic activities of Streptococcus mutans and Streptococcus sobrinus
Plants belonging to the Eremophila genus are an integral part of the traditional medicine of indigenous Australian populations. Extracts of a number of Eremophilia species have demonstrated the presence of bioactivity, including inhibitory effects against Gram positive bacteria. The aim of the present study was to determine the activity of solvent and aqueous extracts of Eremophilia...
June 2011
Effect of water stress on leaf relative water content, chlorophyll, proline and soluble carbohydrates in Matricaria chamomilla L.
The effect of water stress, excess water and water deficit, on the leaf relative water, amounts of proline, water soluble sugars and total chlorophyll and chlorophyll a, b were examined, to characterize the involvement of these components in the adaptive processes. An experiment was carried out with four irrigation levels (W1, W2, W3 and W4 consisting 100, 85, 70 and 55% of field capacity, respectively) arranged in...
June 2011
Proposed active compounds from Ouratea parviflora
Ten known compounds, four flavonoids Agathisflavone (1), 7”-methyl-agathisflavone (2), amentoflavone (3), apigenine (4), three steroids sitosterol (5), stigmasterol (6), campesterol (7) besides three terpenoids, lupeol (8), friedeline (9) and α-tocoferol (10) were isolated from leaves of Ouratea parviflora (Ochnaceae). The structures were proposed on basis of 1D- and 2D-NMR, mass spectra...
June 2011
Regulatory effect of Laggera alata extract on immune mediated liver injury
The immune factors were the main reasons of hepatic damage in hepatitis. To validate the beneficial effects of Laggera alata on hepatitis in humans, regulatory properties of L. alataextract (LAE) was studied using a Bacillus Calmette-Guerin- Lipopolysaccharide (BCG-LPS) induced immune liver injury model in mice. Quantificational analysis of LAE indicated that isochlorogenic acids were the major...
June 2011
Antiproliferation and apoptosis induced by Bisdemethoxycurcumin in human ovarian cancer cell SKOV3
Bisdemethoxycurcumin, an active ingredient from the rhizome of the plant, Curcuma longa, has antioxidant, anti-inflammatory and anti-cancer activities. It has recently been demonstrated that the anticarcinogenic activities of Bisdemethoxycurcumin might be due to its ability to inhibit cell growth and induce apoptosis. In the present study, we have investigated the effects of Bisdemethoxycurcumin on growth and...
June 2011
Effect of the route of garlic treatment on modulation of erythrocytes and plasma redox status in rats
Garlic is a widely used medicinal plant exhibiting beneficial health effects such as antidiabetic, antioxidant or hypolipidemic. However several controversies persist about the beneficial or toxic effects of garlic according to its mode of administration in rat. We studied the ability of high dosage garlic to modulate erythrocytes and plasma antioxidant status when administered orally (p.o.) or through intraperitoneal...
June 2011
Prevention of KBrO3-induced cardiotoxicity by Sonchus asper in rat
The protective effects of Sonchus asper methanol extract (SAME) against KBrO3-induced oxidative damage in heart tissues of rat were determined in this study. Sprague-Dawley male rats (180 to 200 g) were divided into five groups. Group I: received saline (1 ml/kg b.w., 0.85% NaCl) and DMSO (1 ml/kg b.w.); group II: were injected with KBrO3 (20 mg/kg b.w., i.p.); group III and IV: treated with...
June 2011
Evaluation of hypolipidemic and potential antioxidant effects of Pigeon pea (Cajanus cajan (l) mill sp.) leaves in alloxan-induced hyperglycemic rats
Antioxidant and hypolipidemic activity of the methanolic leaf extract from Cajanus cajan was carried out in alloxan induced hyperglycemic rats. A significant (p<0.05) reduction in the levels of blood glucose, serum triglyceride, cholesterol, high density lipoprotein and low density lipoprotein cholesterol was observed in the hyperglycemic-extract treated rats. The administration of the extract (200 mg/kg)...
June 2011
Bioactive compounds and antioxidant activity of different extracts from Vitex negundo leaf
The study was conducted to assess the antioxidant activity of methanol and hexane extract and essential oil from Vitex negundo leaf using different in vitro antioxidant assays. Antioxidant property was tested using 2,2-diphenyl-1-picrylhydrozyl (DPPH) free radical scavenging capacity, ferric ion reducing antioxidant power (FRAP) and β-carotene-linoleic acid assays. Total phenolic contents...
June 2011
In vitro testing of a laxative herbal food supplement for genotoxic and antigenotoxic properties
Chronic constipation (CC) is one of the most common functional gastrointestinal disorders and despite it is a rarely life-threatening condition, its effects can lead to discomfort and diminish the quality of life. Laxatives are commonly prescribed in CC patients including herbal products in standardized forms. The aim of the present study was to evaluate a commercially available herbal formulation (Sollievo Bio,...
June 2011
Chemical analysis and antimicrobial effects of essential oil from Limoniastrum guyonianum growing in Tunisia
Medicinal Limoniastrum guyonianum (Plumbaginaceae) growing in Tunisia was studied for the first time for volatiles from leaves, flowers, seeds and roots. The chemical analysis of the essential oil obtained from different organs was performed by gas chromatography-flame ionization detector (GC-FID) and gas chromatography-mass spectroscopy (GC-MS). In roots and leaves oils, monoterpenes...
June 2011
Anticancer activity of persimmon (Diospyros kaki L.) calyx extracts on human cancer cells
Natural products are the source of numerous therapeutic agents. Recent progress in the discovery of drugs from natural products has resulted in development of compounds for use in cancer treatment. Results from this study demonstrated that methanolic extracts of persimmon calyx (PCE) have cytotoxic effects in human cancer cells. Through MTT reduction assay, lactate dehydrogenase release assay, morphological assay, and...
June 2011
Acute toxicity study and wound healing potential of Gynura procumbens leaf extract in rats
A. A. Zahra1, F. A. Kadir2*, A. A. Mahmood1, A. A. Al hadi3, S. M. Suzy, S. Z. Sabri 3, I. I. Latif1 and K. A. Ketuly3
June 2011
Loganin production in Palicourea rigida H.B.K. (Rubiaceae) from populations native to Brazilian Cerrado
Palicourea rigida HBK, known as “douradinha”, “bate-caixa” and “douradão” is endemic to Brazilian Cerrado and belongs to the Rubiaceae family. The aqueous and hydroalcoholic extracts of P. rigida have been traditionally used in the treatment of urinary tract disorders. The aim of this work was to study the chemical diversity of eight populations of P....
June 2011
Phytomedicinal study of coastal sand dune floras in Puducherry
Coastal dune floras play a key role in dune stabilization and restoration, a part from this, their unique important medicinal values remains unexplored to most of the people, thus results in destruction and removal of dune floras. This communication addresses the composition and distribution of CSD medicinal floras surveyed during March-December 2010 by direct interviews with ethnic groups dwelling in the proximity of...
June 2011
Identification of different stages of hepatitis B infection with ELISA and PCR assay
Despite the existence of hepatitis B vaccination, hepatitis B virus (HBV) infection is still prevalent worldwide and accounts for significant morbidity and mortality. In chronic infection with hepatitis virus B the fact that HBeAg becomes negative does not always means suppression of viral replication. It is encouraging that majority of patients do recover from the acute infection, however, those that progress to...
June 2011
Anti-Helicobacter pylori and antioxidant properties of Emblica officinalis pulp extract: A potential source for therapeutic use against gastric ulcer
We report a novel property of ethanolic extract of Emblica officinalis (amla) fruit pulp in inhibiting the growth of Helicobacter pylori in-vitro. In this study, three standard laboratory strains, and five clinical isolates of H. pylori showed sensitivity towards amla extract with minimum inhibitory concentration values ranging from 0.91 to 1.87 µg/µl. Out of five clinical isolates...
June 2011
Effect of leaves of Apocynum venetum L. on the activity of MAO in mice
The purpose of this study was to evaluate the effect of leaves of Apocynum venetum L.(AV) on the monoamine oxidase (MAO) activity in mice whole brain. After 7 days oral administration, we assayed spectrophotometrically the activity of MAO. The ethanolic extract of leaves of A. venetum (EAV) showed a tendency to inhibit MAO activity in animal brain. However, the aqueous phase of EAV (EAV-4)...
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