1.
J Ethnopharmacol
; 83(1-2): 145-7, 2002 Nov.
Artigo
em Inglês
| MEDLINE
| ID: mdl-12413721
Assuntos
Diuréticos/farmacologia , Cálculos Renais/induzido quimicamente , Fitoterapia , Extratos Vegetais/farmacologia , Rubiaceae , Animais , Diuréticos/administração & dosagem , Relação Dose-Resposta a Droga , Feminino , Frutas , Masculino , Extratos Vegetais/administração & dosagem , Ratos , Ratos Wistar
2.
Phytochem Anal
; 13(3): 177-80, 2002.
Artigo
em Inglês
| MEDLINE
| ID: mdl-12099109
RESUMO
A methanol extract of the bark of Bocconia arborea was fractionated on silica gel and the fractions analysed using gas chromatography coupled with mass spectrometry (GC-MS). Several benzophenanthridine alkaloids were identified including dihydrosanguinarine, oxysanguinarine, 11-acetonyldihydrochelerythrine, dihydrochelerythrine, chelerythrine, chelerythridimerine and angoline as the principal constituents. The results show that the direct GC-MS analysis of these alkaloids is possible with a clear distinction between the compounds. The technique is shown to be a valuable tool and an alternative technique to classical phytochemical procedures permitting the fast analysis of alkaloids mixtures.