September 2011
Application of chemometrics in quality evaluation of medicinal plants
Plant medicines are gaining more and more attention all over the world. Many modern analytical approaches have been introduced to evaluate the quality of medicinal plants, and significant amount of measurement data has been produced. Therefore, the application of chemometrics in the field of medicinal plants is spontaneous and necessary. Comprehensive methods and hyphenated techniques associated with chemometrics used...
September 2011
Use of somatic embryogenesis as a vehicle for cotton transformation
Cotton has been aptly described as the prosperity plant owing to its unrivalled economic importance as a source of feedstock, food and oil, as well as raw material for diverse industrial applications, ranging from textile and footwear to automobiles, energy, medical and pharmaceutical. As such, over 180 million people of the world depend on its production for livelihood. However, cotton production is grossly hampered,...
September 2011
Toxicological and hypoglycemic studies on the oil extracted from seeds of Khaya senegalensisis on blood glucose levels of alloxan-induced diabetic albino rats
Diabetes mellitus is a metabolic disorder found in all nations of the world. It is one of the most prevalent epidemics of the 21st century. Despite the numerous research on this area, it effects are still on top gear. Nature has provided abundant plant which possesses medicinal values and several claims on the uses of plant by the traditional healers were also on the increase, yet no known solution. There is an obvious...
September 2011
Immunocompetence potential of Tinospora cordifolia on selected postmenopausal women
Postmenopausal age is such a special stage in the life of women. It has been further estimated that postmenopausal women in India would constitute about 14.1% of the total population by 2025. Several irritable symptoms attributed to menopause are often encountered during these later years of life and freedom from related symptoms and comfort could add life to years. Increasing the immunocompetence in the selected low...
September 2011
Functional networks for Salvia miltiorrhiza and Panax notoginseng in combination explored with text mining and bioinformatical approach
Salvia miltiorrhiza (SM) and Panax notoginseng (PN) in combination (SMPN) have been widely used primarily in Traditional Chinese Medicine (TCM), for the treatment of coronary heart disease, and its pharmacological activity should be complicated because of its multiple components. Here, we combine text mining with bioinformatics to predict functional networks for the combination. 53 genes related with SMPN...
September 2011
Effects on physiological and biochemical characteristics of medicinal plant pigweed by drought stresses
September 2011
Cardioprotective effects of Curcuma longa L. extracts against doxorubicin-induced cardiotoxicity in rats
This study was designed to investigate the possible mechanisms whereby Curcuma longacould protect against cardiotoxicity induced by doxorubicin. Administration of doxorubicin (15 mg/kg i.p.) induced cardiomyopathy manifested by significant elevation in serum creatine kinase MB (Ck-MB) and lactate dehydrogenase (LDH) activities. In addition, cardiotoxicity was further confirmed by significant increase in each of...
September 2011
Preliminary phytochemical analysis of canthopanan trifoliatus (L.) Merr
Acanthopanan trifoliatus is a woody liane belonging to the family, Acanthopanax .The plant is widely distributed in China, Korea, Japan and Russia. It is used in the folk medicines of South-east Asia as a drug with ginseng- like activity. In the present study, the qualitative tests were conducted to know the presence of cardiac glycosides, anthraquinones, lactones coumarines, flavonoids, saponins, steroid or...
September 2011
Effect of NaCl and GA3 on seed germination and seedling growth of eleven medicinal and aromatic crops
The effect of sodium chloride (NaCl) and gibberillic acid (GA3) on seed germination and seedling growth of 11 medicinal and aromatic crops was studied under controlled conditions. For this various aqueous solutions of NaCl (0.05, 0.5 and 1.5 mol/l NaCl) and GA3 (50, 100, 200, 400 ppm GA3) were used solely or combined as germination and growth substrates. Two of the aqueous solutions of NaCl (0.5 and 1.5 mol/l NaCl)...
September 2011
In vitro antibacterial efficacy of Clinopodium vulgare L. extracts and their synergistic interaction with antibiotics
In vitro antibacterial activity of ethanol, ethyl acetate and acetone extract from Clinopodium vulgare and their synergistic interaction with gentamicin and cephalexin were researched. Antibacterial efficacy of the extracts was defined by determining minimum inhibitory concentrations (MIC) using microdilution method. The values were in the range from 0.625 to >20 mg/ml. The most sensitive bacteria...
September 2011
Olea ferrugenia: A potential natural source of protection from oxidative stress
The methanolic extract of Olea ferrugenia Royale was dissolved in distilled water and partitioned with n-hexane, chloroform, ethyl acetate and n-butanol successively. The phytochemical screening of all these organic fractions and remaining aqueous fraction was carried out and then the antioxidant potential of all studied fractions was evaluated by four in vitro methods: DPPH free radical...
September 2011
Bioprospecting of selected medicinal plants for antibacterial activity against some pathogenic bacteria
Aqueous extracts of 54 medicinal plants were evaluated for antibacterial activity against important human pathogenic and plant pathogenic bacteria by agar well diffusion method. Aqueous extracts of Combretum latifolium Bl., Persea macrantha (Nees) Kosterm., Vateria indica L. and Humboldtia brunonis Wall. recorded significant inhibitory activity against both human and plant...
September 2011
Alleviation of seed deterioration and enhancement of plant potential of a pea species using selected medicinal plant extracts
Pea (Pisum sativum L. cv. Azad P1) seeds lost viability at a rapid pace under accelerated ageing condition. Pretreatment of the seeds with leaf extracts of bel (Aegel marmelos) and kalmegh (Andrographis paniculata) 50g in 250ml distilled water of each for 6 hours before accelerated ageing treatment (100% RH and 30±2°C) for different durations for 45 days under the accelerated ageing condition...
September 2011
Total phenolic contents, antioxidant and antimicrobial activities of Bruguiera gymnorrhiza
In the present work, the antioxidant and antibacterial activities of methanolic, ethanolic and chloroform crude extract of leaves and barks of Bruguiera gymnorrhiza were investigated. The antioxidant activity of the crude extracts were evaluated using the enzymatic and non enzymatic methods namely superoxide dismutase determination, reducing power assay and 2, 2-diphenyl-1-picrylhydrazil free radical...
September 2011
Variation in antibacterial activity and phenolic content of Hypericum scabrum L. populations
Hypericum scabrum L. is one of the herbal and perennial medicinal plants belonging to Hypericaceae which all of its floral on aerial part has extensive use in preparing traditional medicines. The major constitutes of H. scabrum are α-pinen, thymol and carvacrol. The study was conducted to determine variations of antibacterial activity, thymol and carvacrol content in different populations...
September 2011
Quality assessment for fructus Gardeniae by multi-component quantification, chromatographic fingerprint and related chemometric analysis
A simple, feasible and effective method of ultra performance liquid chromatography (UPLC) coupled with photo diode array (PDA) were established for fingerprint analysis and simultaneous quantification of three major classes of constitutions including iridoid glycosides, crocins and organic acids of fructus Gardeniae. Extraction method was optimized as 75% methanol ultrasonic extraction for 30 min....
September 2011
Antibacterial, anticandidal and antioxidant activities of Salvadora persica and Juglans regia L. extracts
Salvadora persica and Juglans regia L. are traditionally used for the treatment of oral infections. The anticandidal; antibacterial and antioxidant activities of diluted acetone extract of S. persica (dry stems) and ethyl acetate extract of Tunisian Juglans regia L. bark were tested. The chemical composition of the volatile oil of the stems of S....
September 2011
Chemical composition, antioxidant and antifungal potential of Melaleuca alternifolia (tea tree) and Eucalyptus globulus essential oils against oral Candida species
Eucalyptus globulus and Melaleuca alternifolia essential oils has been of interest to researchers because they are traditionally used for the treatment of fungal infections and especially candidiasis. The chemical composition of hydrodistilled essential oils were analyzed by gas chromatography-mass spectrometry (GC-MS), and their antifungal activity was tested...
September 2011
Investigation of the effect of light intensity on five essential oils of Hypericum perforatum L: A case study of Ramsar, Mazandaran, Iran
The present study investigated five essential oils (EOs) of Hypericum perforatum including α- pinene, myrcene, cineol, tridecane and phytol in different light situation. For this purpose, examinations were done at 700 m heights of the Javaherdeh Forest, Ramsar City, Mazandran Province, Iran. Firstly, light measurement was done using camera equipped with fish eyes lens. Results were tabulated in five...
September 2011
Antioxidant properties of cashew leaves' extracts before and after treatment with activated carbon used in cosmetics
Natural ingredients such as cashew leaves extract could be an attractive candidate in cosmetic formulation. However, the plant extracts are normally dark brown and greenish color that might spoil the appearance of the products if they are added in cosmetic formulation. In order to solve this problem, use of activated carbon was tested to eliminate the intense color of plant extract without affecting the...
September 2011
Optimization of flavonoids extraction process from mulberry (Morus alba L.) leaves
In this study, the effects of some important factors such as concentration of solvent, material ratio, temperature and time was investigated on the contents of flavonoids present in the mulberry leaves. Central composite rotatable design (CCRD) was performed to optimize the extraction parameters for assessing maximum yield of total flavonoid content (TFC) from mulberry leaves. The range of the variables, namely methanol...
September 2011
Colebrookia oppositifolia: A valuable source for natural antioxidants
Methanolic extract of Colebrookia oppositifolia Smith. was dissolved in distilled water and partitioned with n-hexane, chloroform, ethyl acetate and n-butanol sequentially. Phytochemical screening showed the presence of phenolics, flavonoides and cardiac glycosides in chloroform, ethyl acetate and n-butanol fraction. The antioxidant potential of all these fractions and remaining aqueous fraction was evaluated...
September 2011
Macromolecular and fatty acid profile studies on symbiotic cyanobacterial isolates of cyanolichens
The cellular carbohydrate, protein and fatty acid content of three cyanobacterial strains belong to the genera Aphanocapsa sp. (NTK28) and Nostoc species (NTK29 and NTY30) isolated from cyanolichens analyzed. Among the three cyanobacterial species, Nostoc sp. (NTK 29) showed the maximum of total carbohydrate, protein and lipid content about 25, 15 and 14%, respectively. Gas chromatographic...
September 2011
Anti-HIV-1 reverse transcriptase activities of hexane extracts from some Asian medicinal plants
Numerous herbal remedies against viral infections, including HIV-1, have been used as a part of Asian traditional medicine. However, the viral protein targets for inhibition by these medications are less well identified. HIV-1 reverse transcriptase is one of the targets, since high-efficiency inhibitors such as non-nucleoside HIV-1 reverse transcriptase inhibitor have been successfully used. In this work, hexane...
September 2011
Novel polyene from Vernonia urticifolia (Asteraceae)
Phytochemical investigation of Vernonia urticifolia resulted in isolation of urticifolene, a new polyene metabolite together with lutein and sitosterol, which were fully characterized using NMR spectroscopy with the application of correlation spectroscopy (COSY), Nuclear overhauser enhancement spectroscopy (NOESY), heteronuclear multiple bond spectroscopy (HMBC) and heteronuclear single quantum coherence...
September 2011
Polymerization inhibition activity of Raphia hookeri palm sap and its effect on osmotic fragility of sickle cell red blood cells
The influence of Raphia hookeri palm sap as an antipolymerization agent of sickle cell haemoglobin (HbSS) and its effect on the osmotic fragility of sickle cell anaemia (SCA) red blood cells (RBC’s), in vitro, were investigated. Phytochemicals detected in the palm sap included tannins, flavonoids, saponins, thiocyanates, cyanogenic glycosides, alkaloids and catechins. The chemical constituents...
September 2011
Effects of sulfated polysaccharide extracted from Prunella vulgaris on endothelial cells
Sulfated polysaccharide extracted from Prunella vulgaris, a commonly used traditional Chinese herb, possesses anti-tumor effect. But its underlying mechanism is unclear. The binding reaction of bFGF – P. vulgaris sulfated polysaccharide (PVSP) and bFGF - heparan were characterized by surface plasmon resonance assay. The competitive binding between bFGF - PVSP and bFGF - heparan sulfate were...
September 2011
Dipeptide and xanthones from Artocarpus kemando Miq.
The ground air-dried stem bark of Artocarpus kemando Miq. (Moraceae) collected from Sarawak, Malaysia was subjected to sequential extraction with hexane, chloroform and methanol to give three crude extracts. Silica gel chromatographic separation of the chloroform extract yielded a dipeptide, aurantiamide benzoate, cycloartobiloxanthone, dihydroartoindonesianin C and 6,7-dimethoxycoumarin. All compounds were...
September 2011
Evaluation of some plant extracts for their antifungal and antiaflatoxigenic activities
Antifungal and antiaflatoxigenic activities of five methanolic plant extracts were evaluated against the toxigenic Aspergillus flavus isolate. Extract of Punica granatum showed the highest antifungal and antiaflatoxigenic activities followed by Zingiber officinalis. P. granatumextract absolutely arrested aflatoxin B1 production at 5 mg/ml and inhibited 100% the mycelial growth...
September 2011
Biological activity of flavonol glycosides from Rumex dentatus plant, an Egyptian Xerophyte
'Rumex dentatus L'. (Polygonaceae) plant is an annual or biennial herb, often grows wildly in moist areas, it is also known as introduced species that is, living outside its nativedistributional range. Chemical products and biological activity has been studied in the Egyptian R. dentatus, grown in Suez desert of Egypt. Chemical composition and biological activity of R....
September 2011
Evaluation of 11-hydroxy-Δ8-THC-dimethylheptyl effects on cytokines profile and locomotor tests in experimental autoimmune encephalomyelitis
One of the components that activate cannabinoids (CB) receptors is 11-hydroxy-Δ8-THC-dimethylheptyl (HU-210). The present study was conducted to evaluate the effectiveness of HU-210 treatment to cytokines profile and locomotor tests in the experimental autoimmune encephalomyelitis (EAE) model in the mice. A total of 48 male C57BL/6 mice were placed in 8 therapeutic groups. Mice were immunized with myelin...
September 2011
Antimicrobial and antioxidant activity of the Ephedra sarcocarpa growing in Iran
The antimicrobial capacity of the methanolic extracts of Ephedra sarcocarpa growing in Iran is screened against Gram-positive and Gram-negative bacteria and fungi. The extract inhibited the growth of Gram-negative bacteria, being Pseudomonas aeroginosa the most susceptible one with MIC of 16 μg/mL for the extract. The antioxidant activities are evaluated using ferric reducing antioxidant power...
September 2011
Ethnobotanical information on plants used for the management of cardiovascular diseases in Nkonkobe Municipality, South Africa
Cardiovascular diseases are one of the major killer ailments in the world. The incidences of the diseases are on the alarming rate especially in the developing countries. An ethnobotanical survey of plants used for the treatment of these diseases and some of their predisposing factors was carried out in the Nkonkobe Municipality in the Eastern Cape of South Africa. Information on the names of plants, their parts...
September 2011
PSidium guajava, a potential resource rich in corosolic acid revealed by high performance liquid chromatography
Corosolic acid (CA) has become one of the most popular natural compounds in recent years because of its insulin-like and anti-cancer activities. In present study, a simple, precise and accurate high performance liquid chromatography method was developed to determine CA in Psidium guajava. An Agilent SB-C18 (4.6 × 250 mm, 5 μm) column was used for separation and analysis. The separation was performed with a...
September 2011
The effect of polysaccharide peptide and taxol on human solid tumor tissue in vitro
Taxol has anti-tumor properties, polysaccharide peptide (PSP), an active substance of Yunzhi, is an effective immunopotentiator, which is used to supplement the chemotherapy and radiotherapy of cancers patients. The antitumor activity of polysaccharopeptides has been documented. In this study, the in vitro effect of PSP upon the metabolic rate of breast solid tumors was observed and this effect was compared...
September 2011
Biotransformation of 4-phenylcoumarin by transgenic hairy roots of Polygonum multiflorum
In order to find a new method for preparation of coumarin glycosides, the glycosylation of 4-phenylcoumarin was achieved for the first time by biotransformation using transgenic hairy roots of Polygonum multiflorum. Two substrates, 7-hydroxy-4-phenylcoumarin (1) and 5,7-dihydroxy-4-phenylcoumarin (2) were synthesized through Pechmann condensation. Two biotransformed products,...
September 2011
Micormorphological diversity in leaf epidermal anatomy of Brachiaria species using elemental dispersive spectrophotometer analysis
In this study the micromorphological diversity linked to different elements silica bodies, epidermal leaf anatomy and elemental dispersive spectrophotometer (EDS) analysis (LM, SEM) of five species of genus Brachiaria was carried out. The technique of EDS analysis for grass taxonomy is used first time in Pakistan. This examination indicates variations in leaf blade epidermal characters such as shapes of silica...
September 2011
Ethnobotanical study of medicinal plants in the Blue Nile State, South-eastern Sudan
Ethnobotanical study of medicinal plants used by traditional healers was carried out in the Blue Nile State, South-eastern Sudan. Information was obtained through conversations with traditional healers with the aid of semi-structured questionnaires. Informant consensus, use value, and fidelity level for each species and use category were calculated. A total of 31 traditional healers participated in the study. Fifty...
September 2011
Effect of green tea polyphenols on the gelatinization and retrogradation of rice starches with different amylose contents
The effect of green tea polyphenols (GTP) on the property of rice starch was investigated. 0, 5, 10 and 15% of GTP (based on rice starch weight) was added to rice starches with high (HAC), intermediate (IAC) and low (LAC) amylose contents, respectively. The gelatinization and retrogradation properties of rice starches with different amylose content containing different levels of GTP were analyzed by differential...
September 2011
Antibacterial activity of moroccan plants extracts against Clavibacter michiganensis subsp. michiganensis, the causal agent of tomatoes’ bacterial canker
In search for alternative ways of tomatoes’ bacterial canker control, we screened here forty medicinal and aromatic plants (MAP) sampled from 15 families, currently used in southern Moroccan traditional medicine, for their activity against Clavibacter michiganensis subsp. michiganensis the causal agent of this disease. The antibacterial efficacy of powders of these plants was determined in...
September 2011
Subspecific variability of Tunisian wild populations of Capparis spinosa L.
Fifteen Tunisian wild populations of caper (Capparis spinosa L.) from different geographical regions, including inerm and thorny morphotypes were assessed for their phenotypical variation using eight morphological traits. The thorny type is restricted to the North of the country, while the inerm is wildly distributed from the North to the South. The data underwent an analysis of variance and a multivariate...
September 2011
Composition and antioxidant activity in vitro of different St. John’s Wort (Hypericum perforatum L.) extracts
Current literature reports a wide variability in active compounds content in marketedHypericum (Hypericum perforatum L.) preparations. In order to avoid influences by soil, climate, collection time and storage, several extracts were prepared, with different solvents, from a single stock of plant drug, collected from the wild. They were high performance liquid chromatography (HPLC) analyzed, and...
September 2011
Effects of different levels of chicory (Cichorium intybus L.), zizaphora (Zizaphora tenuior L.), nettle (Urtica dioica L.) and savoury (Satureja hortensis L.) medicinal plants on carcass characteristics of male broilers
Four feeding trials were conducted to investigate the effects of using different levels of some medicinal plants on carcass characteristic of male broilers. In each of these experiments 300 broilers (Ross 308) from 1 to 42 days of age in two breeding periods, starter (1 to 21) and grower (22 to 42) days of age were used in a completely randomized design in 5 treatments and 3 replicates (with 20 birds in each replicate)....
September 2011
Some medicinal plants counteract alterations of neuroendocrine stress response system, oxidative and nitrosative stress caused by repeated restraint in rats
Stress affects neuroendocrine stress response system, oxidative and nitrosative stress. Some reports claim that antioxidants and antistressors could attenuate these alterations. This study was realized to investigate antistress and antioxidant effects of Hypericum perforatum, Melissa officinalis, Valeriana officinalis and Passiflora incarnata extracts on repeated restraint (RS) in rats....
September 2011
Antimicrobe characteristics of essential oils of some species of the Nepeta L. Genus
Antimicrobial properties of the essential oils of the species Nepeta trautvetteri Boiss., Nepeta velutina Pojark, Nepeta zangezura A. Grossh. and Nepeta grosshemi Pojark. have been studied as well as it was ascertained that essential oils of the N. velutina and N. grosshemi can be used as antifungal means. Key words: Nepeta trautvetteri...
September 2011
Antioxidant activity of bioactive compounds extracted from Ampelopsis grossedentata leaves by optimized supercritical carbon dioxide
Supercritical carbon dioxide (SC-CO2) extraction of bioactive compounds including flavonoids and phenolics from Ampelopsis grossedentata leaves was carried out. Extraction parameters such as pressure, temperature, dynamic time and modifier concentration, were optimized using an orthogonal array design of L9 (34), and antioxidant activities of the extracts were assessed by 2,2-diiphenly-1-picrylhydrazyl...
September 2011
Genetic diversity of selected Apocynaceae species based on chloroplast gene rps11
Apocynaceae is an important family due to its credible therapeutic importance and it is widely distributed in tropics and subtropics. Some species of Apocynaceae have been randomly chosen from different regions of Pakistan for the present study. The main objective was to analyze genetic diversity among seven species using cleaved amplified polymorphic sequences (CAPS) technique on a plastid gene...
September 2011
Effects of cultivar and developmental stage on glucosinolates in garden cress (Lepidium sativum L.)
Glucosinolates associated with health promoting properties were investigated in two commercial garden cress cultivars (DadaÅŸ and Bahar) at optimum harvest time (1) and at the onset of flowering period (2). Results of glucosinolate analysis revealed that the predominant glucosinolate synthesized was glucotropaeolin of the benzyl group. The glucotropaeolin content varied between 1.79 to 4.57 µmolg-1 DW...
September 2011
Investigation of variations of the essential oil content and morphological values in yarrow (Achillea santolina) from Iran
In order to evaluate the beneficial treatments of ten Achillea santolina accessions, some yield characters were investigated. This experiment was carried out using a randomized complete block design with three replications. The factor studied included yarrow genotypes that were collected at the initial stage of flowering. The analysis of variance genotypes showed that all treatments except the leaf length...
September 2011
Butea monosperma Lam.: A review
September 2011
Amino acids: A review article
September 2011
Clinical study on the management of obesity with certain natural medicine
September 2011
Clinical evaluation of herbal medicine for treatment of bacillary dysentery
September 2011
Effects of Chinese herbal formula Maxing Shigan powder on IgA secreting cells in chicken bronchus
In this paper the effects of a Chinese formula Maxing Shigan powder were investigated on IgA-secreting cells of chicken bronchus. The herbal powder was dissolved in water at three dosages, 0.5, 1 and 1.5 g/L. Each dosage was given to 15-day-old chickens which were challenged with infectious bronchitis virus (IBV) by artificial infection for 3 days. Then thetherapeutic effects were detected. The chickens were...
September 2011
Evaluation of antibacterial activity and wound healing of Pistacia atlantica and Pistacia khinjuk
Pistacia atlantica and Pistacia khinjuk are two major Pistacia species that grow in the Zagrossian region and classified into the Anacardiaceae family. In this work we investigated the drug properties of these plants. Experiments were carried out by extract of plants in vitro and in vivo (what kind of extract? both of them). In the in vitro experiments,...
September 2011
Anti-oxidative and anti-inflammatory effects of Trigonella foenum-graecum Linnaeus, 1753 (Fenugreek) seed extract in experimental pulmonary fibrosis
Idiopathic pulmonary fibrosis (IPF) is the most common idiopathic interstitial pneumonia. A large part of research focusing on the pathogenesis of IPF suggested that oxidative stress has been implicated in the pathogenesis of bleomycin induced lung fibrosis. We therefore examined whether fenugreek Trigonella foenum-graecum Linnaeus, 1753 and its phenolylic extract inhibits bleomycin induced lung fibrosis...
September 2011
Analysis of 1-deoxynojirimycin component correlation between medicinal parasitic loranthus from loranthaceae and their mulberry host trees
To analyze the component correlation of 1-deoxynojirimycin (DNJ) between medicinal parasitic loranthus from loranthaceae and its mulberry host trees as well as the effects of the host trees on the quality of parasitic loranthus. DNJ content of medicinal parasitic loranthus plants and their mulberry or non-mulberry host trees was determined byReversed-phase High performance liquid chromatography (RP-HPLC). DNJ in samples...
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