Now showing items 1-10 of 319
Jatrowediol, a lathyrane diterpene from Jatropha weddelliana
(Journal of the Brazilian Chemical Society, 2001-04-01) [Artigo]
A partir das raízes de Jatropha weddelliana foram isolados os diterpenóides jatrogrossidiona, 4Z-jatrogrossidentadiona, 15-epi-4Z-jatrogrossidentadiona, 4E-jatrogrossidentadiona,15-epi-4E-jatrogrossidentadiona, ...
New saponins from the roots of Tocoyena formosa (Rubiaceae)
(Planta Medica, 2008-07-01) [Resumo]
químicos das folhas de Qualea grandiflora: atribuição dos dados de RMN de dois flavonóides glicosilados acilados diastereoisoméricos
(Química Nova, 2008-01-01) [Artigo]
Phytochemical investigation from leaves of the Qualea grandiflora (Vochysiaceae) resulted in the isolation and identification of kaempferol-3-O-α-L-(4-E-p-coumaroyl)-rhamnoside, kaempferol-3-O-α-L-(4-Z-p-coumaroyl)-rhamnoside, ...
seco-Irldoids from Calycophyllum spruceanum (Rubiaceae)
(Phytochemistry, 2003-09-01) [Artigo]
Three seco-iridoids 7-methoxydidcrrosidc, 6'-O-acetyldiderroside and 8-O-tigloyldiderroside, were isolated from the wood bark of Calycophyllum spruceanum together with the known iridoids loganetin, loganin and the seco-iridoids ...
Vernonia polyanthes as a new source of antiulcer drugs
(Fitoterapia, 2007-12-01) [Artigo]
Methanolic (VPME) and chloroformic (VPCL) extracts, obtained from the aerial parts of Vernonia polyanthes, were investigated for its antiulcerogenic properties. Administration of VPME (250 mg/kg) and VPCL (50 mg/kg) ...
Should Anacardium humile St. Hil be used as an antiulcer agent? A scientific approach to the traditional knowledge
(Fitoterapia, 2008-04-01) [Artigo]
The crude methanolic extract (ME) obtained from the leaves of Anacardium humile was evaluated orally at doses of 250-500-1000 mg/kg on gastric lesion on ethanol and piroxicam induced gastric lesions in rodents. All the ...
Antimicrobial activity of some medicinal plants of the Cerrado, Brazil
(Phytotherapy Research, 2008-05-01) [Artigo]
In order to determine the potential of Cerrado plants as sources of antimicrobial activity, the phytochemical screening of ethanol extracts from Virola surinamensis, Qualea grandiflora, Alchornea castaneifolia, Hancornia ...
Anti-hemorrhagic Activity of Four Brazilian Vegetable Species Against Bothrops jararaca Venom
(Molecules, 2009-03-01) [Artigo]
Around 20,000 snakebites are reported annually in Brazil and 90% of them are inflicted by species of the genus Bothrops. Intravenous administration of antibothropic antivenom neutralizes the systemic actions, but it is of ...
The anti-ulcerogenic effects of Curatella americana L.
(Journal of Ethnopharmacology, 2009-01-30) [Artigo]
Ethnopharmacological relevance: Curatella americana L. (Dilleneaceae) is a medicinal plant very frequently cited as acting against gastrointestinal disorders in ethnopharmacological inventories of the Cerrado region of ...
Gastric healing effect of methanolic and alkaloidic fraction from Strychnos pseudoquina
(Planta Medica, 2009-07-01) [Resumo]