July 2010
Use of chemotaxonomic markers for misidentified medicinal plants used in traditional medicines
Onosma hispida Wall. and G. Don. (Boraginaceae) is an important medicinal plant used in Unani system of medicine as cardiac drug. In Unani, Ayurvedic and traditional system of medicines, the drug is marketed under the trade name rattan jot. In herbal market, this drug is misidentified, confused and adulterer with local available drug obtained from another species, Geranium wallichianum D. Don. ex Sweet....
July 2010
Anti-ulcer activity of Centella asiatica leaf extract against ethanol-induced gastric mucosal injury in rats
The present study was performed to evaluate the anti-ulcerogenic activity of ethanol extract of Centella asiatica against ethanol-induced gastric mucosal injury in rats. Five groups of adult Sprague Dawley rats were orally pre-treated respectively with carboxymethyl cellulose (CMC) solution (ulcer control group), Omeprazole 20 mg/kg (reference group), and 100, 200 and 400 mg/kg C....
July 2010
Determination of antimicrobial and antioxidant activities of Turkish endemic Ajuga chamaepitys (L.) Schreber subsp. euphratica P.H. Davis (Lamiaceae)
In this study, the antioxidant and antimicrobial activities of methanol, water and chloroform extracts of Ajuga chamaepitys were investigated. The antioxidant properties of A. chamaepitys extracts were evaluated using different antioxidant tests, such as ABTS• radical scavenging capacity, DPPH• radical scavenging capacity, superoxide anion radical scavenging, hydrogen...
July 2010
Phytochemical screening, antioxidant, antibacterial and cytotoxic activities of Knema angustifolia extracts
Knema angustifolia Warb (Myristicaceae) is used in traditional Thai medicine as a whole body tonic agent. The current study sought to evaluate the antioxidant, antibacterial and cytotoxic activities of extracts from this herb and to screen their chemical constituents. Antioxidant, antibacterial and cytotoxic activities were determined by the DPPH scavenging method, the disk diffusion method and the...
July 2010
Antioxidant and antibacterial activities of extracts from Artemisia herba alba Asso. leaves and some phenolic compounds
Artemisia herba alba Asso. (Compositae) is widely used in the Algerian folk medicine. Phenolic compounds present in this plant could be candidates for some of its biological activities and therefore for its therapeutic use. In this study, polyphenolic compounds were extracted, identified and quantified in A. herba albaleaves extracts. High flavonoids contents (apigenin and luteolin) were present in the ethyl...
July 2010
Does host plant affect the antibacterial activity of Tapinanthus bangwensis (Engl. & K. Krause) Danser (Loranthaceae)?
The extracts of fresh leaves and twigs of Tapinanthus bangwensis (Engl. and K. Krause) obtained from different host plants were screened for their antibacterial activities against six human pathogenic bacteria. The methanolic extracts showed activity against Shigella dysenteriae and Salmonella typhimurium. The antibacterial activity of chloroform extracts, where activity was shown, revealed...
July 2010
Evaluation of crude leaf extracts and benlate solution treatments on oil palm sprouted seeds for the control of Ceratocystis paradoxa causing black seed rot
Oil palm sprouted seeds inoculated with Ceratocystis paradoxa developed symptom of black seed rot. Benlate solution and crude leaf extracts ofAzadirachta indica, Ocimum gratissimum, Acalypha wilkesiana and Carica papayawere evaluated for the control of Ceratocystis paradoxa. Oil palm sprouted seeds treated with O. gratissimum leaves extract significantly reduced C....
July 2010
Optimization and validation of reverse phase HPLC and HPTLC method for simultaneous quantification of vasicine and vasicinone in Sida Species
Quantification of bioactive principles through modern analytical tools is essential for establishing the authenticity and creditability of prescription and usage of herbal drugs. In the present study, simultaneous quantification of vasicine and vasicinone, present in Sida species (Malvaceae), by reverse phase HPLC and HPTLC methods were developed. In the RP-HPLC method, the extracts were resolved using a...
July 2010
Evaluation of Mucuna utilis germplasm for higher biomass production, active principle and seed yield
Mucuna pruriens var utilis is a high value medicinal crop grown for its seed to extract L-3,4-dihyroxy-phenylalanine (L-DOPA). L-DOPA used against Parkinson’s disease although Mucuna utilis is having commercial value for its seed, there has been no commercial variety identified for cultivation, superior in seed yield or in active principle. Hence a field study was proposed for evaluation...
July 2010
Lesser known ethnomedicinal plants of Mizoram, North East India: An Indo-Burma hotspot region
The present paper provides first-hand information of certain ethnomedicinal plantsfrom an Indo-Burma hotspot region (Mizoram). A total of 57 less known ethnomedicinal plant species belonging to 52 genera and 36 families were recorded from tropical evergreen forest and protected areas of Mizoram. The medical applications and conservation status of recorded plants have been described. Key...
July 2010
Influence of plant growth regulators on callus induction, growth, chlorophyll, ephedrine and pseudoephedrine contents in Ephedra procera
An investigation was carried out to determine the relationship between cells biomass, chlorophyll content and production two major alkaloids of Ephedraprocera - ephedrine and pseudoephedrine, in callus culture under different ranges of plant growth promote regulators. We find out that kin as a cytokinin is more suitable than BAP for callus and ephedrine and pseudoephedrine productions, subsequently the...
July 2010
A review of natural products with hepatoprotective activity
Liver diseases are a major worldwide health problem, with high endemicity in developing countries. They are mainly caused by chemicals and some drugs when taken in very high doses. Despite advances in modern medicine, there is no effective drug available that stimulates liver function, offer protection to the liver from damage or help to regenerate hepatic cells. There is urgent need, therefore, for effective drugs to...
July 2010
In - vitro susceptibility testing of some Phellinus species against Acinetobacter baumannii from Maharashtra India
Antibacterial activity of methanol and ethyl acetate extracts of two Phellinusspecies were studied. The activity was evaluated by well assay method and microtiter plate dilution method using sixteen strains of Acinetobacter baumanniiBouvet and Grimont. The ethyl acetate extract of Phellinus swieteniae (Murr.) Herrera and Bondart. showed activity against all strains of Acinetobacter. The...
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