October 2013
Antioxidant and antimicrobial activity of Kielmeyera coriacea Mart. and Zucc
Kielmeyera coriaceae Mart. and Zucc. belongs to Clusiaceae family and is largely distributed in the cerrado Brazilian biome. In this study, phytochemical screening, the antioxidant and antimicrobial activities of aerial parts of the K. coriacea were evaluated. The extracts showed the presence of terpenoids, saponins, triterpenes, steroids, flavonoids, tannins and phenolic compounds. Ethanolic extract and...
October 2013
Phytochemical screening and central nervous system effects of ethanolic extract of Annona vepretorum (Annonaceae) in mice
Annona vepretorum Mart. (Annonaceae) is a native tree from Caatinga biome (semiarid region of Brazil) popularly known as “araticum” and “pinha da Caatinga”. This study was conducted to investigate the possible anxiolytic, motor and sedative effects of the crude ethanolic extract (Av-EtOH) on the central nervous system (CNS) in mice. The behavioral screening, open-field, elevated...
October 2013
Determination of sterol and fatty alcohols in unsaponifiable matter of Roystonea regia fruits oil
Roystonea regia (Kunth) F. Cook fruit is a good source of oil with possible application in the nutritional and pharmaceutical industries. The chemical constituent of the unsaponifiable matter of this oil, however, has not been studied yet. The aim of this work was to assess the content of sterols and alcohols in this fraction using GC-MS. Samples were submitted to basic hydrolysis with KOH/EtOH solution and...
October 2013
Antimicrobial activity of Euclea undulata, Euclea divinorum and Diospyros lycioides extracts on multi-drug resistant Streptococcus mutans
The antimicrobial activities of three Zimbabwean chewing sticks (Euclea undulata, Euclea divinorum and Diospyros lycioides) on multi-drug resistant (MDR) Streptococcus mutans were determined. Thirty one isolates of S. mutans were obtained from 47 carious teeth and antibiotic sensitivity testing was done using the disc diffusion assay for all isolates. The resistance pattern of each...
October 2013
Indigenous uses of medicinal plants by the Vanraji tribes of Kumaun Himalaya, India
The uses of medicinal plants in traditional healthcare practices and its importance in providing clues to new areas of research and in biodiversity conservation is now well recognized. This study aimed to look into the diversity of plant resources that are used by Raji people for curing various ailments. Questionnaire surveys, participatory observations and field visits were elicit information on the uses of...
October 2013
Antibacterial effectiveness of Tetradenia riparia extract, a plant traditionally used in the Eastern Cape Province to treat diseases of the respiratory system
The antibacterial properties of Tetradenia riparia, the most frequently used plant by the traditional healer for the treatment of chest and cough related infections was reported in this study. The plant was investigated to evaluate claims made by the users as a remedy for chest and cough related infections. Ten bacterial strains (five gram-positive and five gram-negative) were used for the antibacterial...
October 2013
Adventitious plantlet regeneration from different explants of Aegle marmelos (L.) Corr.
Plant regeneration was achieved from the diverse explants such as epicotyl, cotyledon, hypocotyl and root explants of important medicinal plant Aegle marmelos. Explants were obtained from 4 week old axenic seedlings of A. marmelos and cultured on Murashige and Skoog (MS) medium supplemented with plant growth regulators to ascertain the suitable explants and media composition for mass...
October 2013
Chemical screening and antihyperglycemic property of Cleome droserifolia ethanol extract
The present study aimed to assess the antihyperglycemic effect of Cleome droserifolia (samwa) ethanol extract in alloxan-induced diabetic rats and to shed more light on the phytochemical screening of this plant and the chemical analysis of its ethanol extract. Alloxan-induced diabetic male albino rats were treated with ethanol extract at intragastric dose level of 200 mg/kg body weight for...
October 2013
Antibacterial activity of selected medicinal plants used in ethnoveterinary medicine
Five plant species (Balanites maughamii, Breonadia salicina, Dombeya rotundifolia, Hyperacanthus amoenus and Piliostigma thonningii) were extracted with acetone. Antibacterial activity of the leaf extracts of B. maughamii and D. rotundifolia, P. thonningii and bark extracts of B. salicina and H. amoenus were determined using serial dilution assay. The plant species were selected based on...
October 2013
Ethyl acetate extract of Hemigraphis colorata leaves shows anti-inflammatory and wound healing properties and inhibits 5-lipoxygenase and cyclooxygenase-1 and 2 enzymes
Hemigraphis colorata, a prostrate herb, is used in traditional medicine for the treatment of wounds. Hexane, ethyl acetate and methanol extracts of leaves were analyzed for anti-oxidant and free radical scavenging abilities, of which ethyl acetate extract showed maximum activity. In addition, ethyl acetate extract also displayed high amounts of phenolic and flavonoid contents. 5-LOX, COX-1 and COX-2, enzymes...
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