0000000001228311

AUTHOR

Alfredo Lavitola

showing 2 related works from this author

Antibacterial activity of flavonoids and phenylpropanoids from Marrubium globosum ssp. libanoticum.

2006

Marrubium globosum Montbr. et Auch. ex Benth. ssp. libanoticum Boiss. (Lamiaceae) is a medicinal plant used for the treatment of inflammatory diseases, asthma, coughs and other pulmonary and urinary problems. The goal of our study was to assess the biological activity of M. globosum testing the methanol extract of aerial parts for its antibacterial activity against bacteria known to cause respiratory, gastrointestinal, skin and urinary disorders; the extract showed antibacterial effects against all the strains of bacteria used. A purification of this active extract showed the presence, as main constituents, of verbascoside, isorhamnetin 3-O-beta-D-rutinoside, quercetin 3-O-beta-D-rutinoside…

PharmacologyNaringeninAnti-Infective Agents/analysis Microbial Sensitivity TestsFlavonoidsbiologyTraditional medicineBacteriaPhenylpropionatesMicrobial Sensitivity Testsbiology.organism_classificationchemistry.chemical_compoundVerbascosidechemistryAnti-Infective AgentsApigeninBotanySettore BIO/15 - Biologia FarmaceuticaKaempferolQuercetinMarrubiumIsorhamnetinAntibacterial agentMarrubiumPhytotherapy research : PTR
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Antibacterial and antioxidant activities in Sideritis italica (Miller) Greuter et Burdet essential oils

2006

Sideritis italica (Miller) Greuter et Burdet is a widespread Lamiacea in the Mediterranean region used in traditional medicine. Essential oils were antibacterial against nine ATCC and as many clinically isolated Gram-positive and Gram-negative bacterial strains. Antibacterial activity was also found against Helicobacter pylori: a dose-dependant inhibition was shown between 5 and 25 microg/ml. The antibacterial activity of the oils was expressed as MICs (minimum inhibitory concentrations) and MBCs (minimum bactericidal concentrations). At a concentration between 3.9 and 250 microg/ml the oils showed a significant antibacterial effect against both Gram-negative and Gram-positive bacteria. In …

NeutrophilsProteus vulgarisantioxidant activityMicrobial Sensitivity TestsGram-Positive BacteriaAntioxidantsessential oilMicrobiologylaw.inventionchemistry.chemical_compoundantibacterial activitylawDrug DiscoveryGram-Negative BacteriaLeukocytesOils VolatileSideritis italicaHumansPlant OilsFood scienceEssential oilCells CulturedAntibacterial agentPharmacologyABTSbiologyDose-Response Relationship DrugHelicobacter pyloriPlant Components Aerialbiology.organism_classificationAscorbic acidAnti-Bacterial AgentschemistryLuminescent MeasurementsSideritisSideritisTroloxAntibacterial activityReactive Oxygen Species
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