October 2011
Analgesic and anti-inflammatory activities of the methanolic extract of the rhizomes of Stylochiton lancifolius pyre and Kotchy (Araceae) in rodents
The methanolic extract of the rhizome of Stylochiton lancifolius (50, 100, and 200 mg/kg) was evaluated for analgesic and anti-inflammatory activities using acetic acid-induced writhing, formalin-induced pain and formalin-induced-inflammation. The methanol extract exhibited significant (P<0.001) inhibition of acetic acid-induced writhing in mice and a significant (P<0.001) reduction in paw licking time...
October 2011
Biologically active proteins from Curcuma comosa Roxb. rhizomes
Curcuma comosa Roxb., belongs to Zingiberaceae family, is used in folk medicine to relieve postpartum uterine inflammation. The crude protein from C. comosa was assayed to find some interesting bioactivities. The hemagglutination activity assay was performed with erythrocytes from seven different species, and revealed a strong specificity towards rabbit erythrocytes only. After isolation...
October 2011
Analysis of total flavonoids and phenolics in different fractions of bark and needle extracts of Pinus roxburghii and Pinus wallichiana
Total flavonoid and phenolic content was estimated quantitatively by using colorimetric method in various fractions of bark and needle extracts of Pinus roxburghii and Pinus wallichiana. Flavonoids may exist as free aglycone, but usually they are bound to sugar as glycosides and any one aglycone may occur in single plant in several combinations. For the measurement of total flavonoid content, original...
October 2011
Anti-tumor effect of Archidendron lucidum (Benth.) against esophageal cancer, colorectal cancer and hepatoma
Archidenron lucidum is an indigenous medicinal plant in Taiwan used for treatment of inflammatory diseases and cancer. This study was aimed to investigate its anti-cancer effect against gastrointestinal and hepatic malignancy. We found that the 50% effective concentrations of its methanol extract (MEAL) against human esophageal cancer CE81T/VGH, hepatoma HA22T/VGH and murine colorectal cancer CT26 cells were less...
October 2011
Comparative analysis of major constituents in Viola yedoensis Makino and different species from the Genus Viola by high-performance liquid chromatography with chemometrics methods
The whole plant of Viola yedoensis Makino is used for the treatment of rhinitis, rheumatism, mastitis and acute pyogenic infections. A simple and accurate HPLC-UV method was developed for the simultaneous determination of six major constituents in the whole plant ofV. yedoensis, and the comparison between its constituent profile and eight other species in the genus Viola was investigated. The optimal...
October 2011
Isolation and characterization of sulfated polysaccharide from the Sargassum pallidum (Turn.) C. Ag. and its sedative/hypnotic activity
Sulfated polysaccharide from the Sargassum pallidum (Turn.) C. Ag. was isolated, purified and structurally characterized. The 13C-NMR and IR indicated a characteristic sulfated polysaccharide with 16.4% of sulfate group. The isolated polysaccharide with the molecular range of 10~48 KDa was constituted by xylose (35.92%), mannose (21.86%), arabinose (15.26%), galactose (13.49%), glucose...
October 2011
Antimicrobial potential of the selected plant species against some infectious microbes used
During the present investigation, in vitro studies were carried out to evaluate the antibacterial and antifungal activity of two selected plant species viz, Calotropis procera and Citrullus colocynthis. Ethanolic, methanolic and aqueous extracts of leaf were examined for their antibacterial, antifungal activities. Methanolic leaf extracts were found to be more active against gram positive...
October 2011
Study on genetic variation in Iranian castor bean (Ricinus communis L.) accessions using multivariate statistical techniques
Genetic diversity on 12 accessions of castor bean (Ricinus communis L.) collected from different origins of Iran was assessed under filed conditions. Accessions were evaluated in a randomized complete block design with three blocks. The data on 5 individuals in each block were recorded for 32 agro-morphological traits. The descriptive statistics for each one of 32 studied traits were calculated. Clustering of...
October 2011
Effect of ursolic acid extracted from Chinese herbs on the proliferation of vascular endothelial cells and its underlying mechanisms
To investigate the role of ERK1, c-Jun, c-Myc and Cyclin D1 in the suppressive effect of ursolic acid (UA) on the proliferation of human umbilical vein endothelial cells (HUVECs), HUVECs were treated in vitro with UA at various concentrations (31.5, 62.5, 125, 250 and 500 μg/ml) for different durations (12, 24 and 48 h) and the proliferation inhibition rate of HUVECs was determined by MTT method. Then,...
October 2011
Composition and toxicity of Chinese Dracocephalum moldavica (Labiatae) essential oil against two grain storage insects
Essential oil of Dracocephalum moldavica flowering aerial parts was extracted via hydrodistillation. A total of 38 components of the essential oil were identified. 1, 8-Cineol (31.25%) and 4-terpineol (22.82%) were the two main components of the essential oil followed by cumin alcohol (4.29%) and α-terpineol (4.21%). The essential oil exhibited strong fumigant toxicity against Sitophilus...
October 2011
Quercetin 3-O-β-(2"-galloyl)-rhamnopyranoside promotes the differentiation of hematopoietic stem cells or early progenitor cells into erythroid lineage in mice
Quercetin 3-O-β-(2"-galloyl)-rhamnopyranoside (QGR) is a polyphenolic compound originally isolated from Persicaria lapathifolia S. F. Gray (Polygonacease). In the present study, we examined the erythropoietic potential of QGR in mouse bone marrow mononuclear cells (BMNCs). BMNCs including hematopoietic stem cells (HSCs), early progenitor cells (EPCs), stromal cells and other precursor cells were...
October 2011
Antioxidant, antibacterial and cytotoxic activities of essential oils and ethanol extracts of selected South East Asian herbs
Antioxidant, antibacterial and cytotoxic activities of essential oils and ethanol extracts of four South East Asian traditional herbs were investigated. Their essential oils were analyzed byGas chromatography mass spectrometry (GC-MS) and a total of 57 types of volatile organics were identified. Artemisia argyi, Centella asiatica, Cosmos caudatus, and Polygonum hydropiper contained 30,...
October 2011
The effect of quince leaf decoction on renal injury induced by hypercholesterolemia in rabbits: A pilot study
There has been no investigation on the efficacy of quince extracts (Cydonia oblonga Miller) against hyperlipidemia-induced renal injury. In the present study, this hypothesis was evaluated by a histological comparison of kidney tissues from New Zealand white rabbits fed on a cholesterol-rich diet with and without a quince leaf extract supplement. Mild glomerular injury and moderate tubular damage were apparent in...
October 2011
Assessment of essential oil yield of Artemisia herba-alba cultivated in Tunisian arid zone
The main objective of this study is to estimate the essential oil (EO) yield of Artemisia herba-alba through biomass prediction. EO yield dependent in both the biomass production and its EO content, was determined from the recovered biomass after harvest of the upper half of plant tuft. The bio-volume parameter of twenty cultivated individuals of A. herba-alba were estimated four times during four...
October 2011
Insecticide activity of piperine: Toxicity to eggs of Spodoptera frugiperda (Lepidoptera: Noctuidae) and Diatraea saccharalis (Lepidoptera: Pyralidae) and phytotoxicity on several vegetables
Products made from piperine are important for the management of pests, but allelopathic studies for these products are also relevant. The aims of the study were: First, to evaluate the effect of piperine on Spodoptera frugipera and Diatraea saccharalis and as second objective, to evaluate the allelopathic and phytotoxicity effects of this compound in the germination and growth of several vegetables....
October 2011
Discovery of genes related to steroidal alkaloid biosynthesis in Fritillaria cirrhosa by generating and mining a dataset of expressed sequence tags (ESTs)
Fritillaria cirrhosa D. Don is an endangered species in the Liliaceae family, the bulb of which is the primary plant source for the Chinese traditional medicine “Chuan-beimu”, having activities that relieve coughs and eliminates phlegm. The major pharmacologically active constituents of F. cirrhosa are steroidal alkaloids. Two thousand one hundred and fifty-eight high-quality...
October 2011
In-vitro antimicrobial activity of crude acetone extract of the stem bark of Combretum molle against selected bacterial pathogens
Drug resistance by clinically important pathogens is now a worldwide problem with far-reaching consequences especially considering that the emergence of drug resistance is now outpacing the development of new drugs. Plants have been used for many generations for healing purposes, and screening of extracts of these plants has often yielded positive outcomes. This study was aimed at evaluating the antibacterial...
October 2011
Studies on the larvicidal efficacy of aqueous extracts of Striga hermonthica (Delile) Benth and Mitracarpus scaber (Zucc) on Culex quinquefasciatus (culicidae) mosquito larvae
The effects of the aqueous extracts of whole plants of Striga hermonthica and Mitracarpus scaber against the larvae of Culex quinquefasciatus mosquito were investigated and the level of significance and effective concentration was also investigated. The extracts of the two plants were effective as mosquito larvicidal, with M. scaber being more effective than that ofS....
October 2011
In-vitro antimicrobial activity of crude acetone extract of the stem bark of Combretum molle against selected bacterial pathogens
Drug resistance by clinically important pathogens is now a worldwide problem with far-reaching consequences especially considering that the emergence of drug resistance is now outpacing the development of new drugs. Plants have been used for many generations for healing purposes, and screening of extracts of these plants has often yielded positive outcomes. This study was aimed at evaluating the antibacterial...
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