Fate of d‑fagomine after oral administration to rats

D-Fagomine is an iminosugar found in buckwheat that is capable of inhibiting the adhesion of potentially pathogenic bacteria to epithelial mucosa and of reducing postprandial blood glucose concentration. This paper evaluates the excretion and metabolism of orally administered D-fagomine in rats and...

ver descrição completa

Detalhes bibliográficos
Autores: Amézqueta, Susana, Ramos Romero, Sara, Martínez-Guimet, C., Moreno, Albert, Hereu, Mercè, Torres Simón, Josep Lluís
Tipo de documento: artigo
Estado:Versión aceptada para publicación
Data de publicação:2017
País:España
Recursos:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
Repositório:Recercat. Dipósit de la Recerca de Catalunya
OAI Identifier:oai:recercat.cat:2445/162279
Acesso em linha:https://hdl.handle.net/2445/162279
Access Level:Acceso aberto
Palavra-chave:Glucòsids
Infeccions per escheríchia coli
Infeccions del tracte urinari
Glucosides
Escherichia coli infections
Urinary tract infections
Descrição
Resumo:D-Fagomine is an iminosugar found in buckwheat that is capable of inhibiting the adhesion of potentially pathogenic bacteria to epithelial mucosa and of reducing postprandial blood glucose concentration. This paper evaluates the excretion and metabolism of orally administered D-fagomine in rats and compares outcomes with the fate of 1-deoxynojirimycin. D-Fagomine and 1- deoxynojirimycin show similar absorption and excretion kinetics. D-Fagomine is partly absorbed (41-84%, dose 2 mg/kg body weight) and excreted in urine within 8 h while non-absorbed fraction is cleared in feces within 24 h. D-Fagomine is partially methylated (about 10% in urine and 3% in feces). The concentration of D-fagomine in urine from 1 to 6 h after administration is higher than 10 mg/L, the concentration that inhibits adhesion of Escherichia coli. Orally administered D-fagomine is partially absorbed and then rapidly excreted in urine were it reaches a concentration that may be protective against urinary tract infections.