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In vitro antibacterial activity in seed extracts of Manilkara zapota, Anona squamosa, and Tamarindus indica Biol. Res.
Kothari,Vijay; Seshadri,Sriram.
Extracts prepared from seeds of Manilkara zapota, Anona squamosa, and Tamarindus indica were screened for their antibacterial activity by disc diffusion and broth dilution methods. Acetone and methanol extracts of T. indica seeds were found active against both gram-positive and gram-negative organisms. MIC values of potent extracts against susceptible organisms ranged from 53-380 μg/mL. Methanol extract of T. indica and acetone extract of M. zapota seeds were found to be bactericidal.
Tipo: Journal article Palavras-chave: Tamarindus indica; Manilkara zapota; In vitro activity; Bactericidal activity.
Ano: 2010 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602010000200003
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In vitro antibacterial activity of some antihistaminics belonging to different groups against multi-drug resistant clinical isolates BJM
El-Nakeeb,Moustafa A; Abou-Shleib,Hamida M; Khalil,Amal M; Omar,Hoda G; El-Halfawy,Omar M.
Antihistaminics are widely used for various indications during microbial infection. Hence, this paper investigates the antimicrobial activities of 10 antihistaminics belonging to both old and new generations using multiresistant Gram-positive and Gram-negative clinical isolates. The bacteriostatic activity of antihistaminics was investigated by determining their MIC both by broth and agar dilution techniques against 29 bacterial strains. Azelastine, cyproheptadine, mequitazine and promethazine were the most active among the tested drugs. Diphenhydramine and cetirizine possessed weaker activity whereas doxylamine, fexofenadine and loratadine were inactive even at the highest tested concentration (1 mg/ml). The MIC of meclozine could not be determined as it...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Antihistaminics; Bactericidal activity; Bacteriostatic activity; Gram-negative isolates; Gram-positive isolates.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822011000300018
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Snake venom galactoside-binding lectins: a structural and functional overview J. Venom. Anim. Toxins incl. Trop. Dis.
Sartim,Marco A.; Sampaio,Suely V..
AbstractSnake venom galactoside-binding lectins (SVgalLs) comprise a class of toxins capable of recognizing and interacting with terminal galactoside residues of glycans. In the past 35 years, since the first report on the purification of thrombolectin from Bothrops atrox snake venom, several SVgalLs from Viperidae and Elapidae snake families have been described, as has progressive improvement in the investigation of structural/functional aspects of these lectins. Moreover, the advances of techniques applied in protein-carbohydrate recognition have provided important approaches in order to screen for possible biological targets. The present review describes the efforts over the past 35 years to elucidate SVgalLs, highlighting their structure and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Snake venom; C-type lectin; Galactoside-binding protein; Carbohydrate recognition domain; Glycoconjugates; Inflammatory response; Antitumor activity; Bactericidal activity; Mitogenic activity; Platelet aggregation.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992015000100213
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