FM - Artigos publicados em periódicos

URI Permanente para esta coleção

http://200.137.215.59//handle/ri/1408

Navegar

Navegando FM - Artigos publicados em periódicos por Assunto "4-Nerolidylcatechol"

Agora exibindo 1 - 1 de 1
  • Imagem de Miniatura
    Item
    Quantification of 4-nerolidylcatechol from Pothomorphe umbellata (Piperaceae) in rat plasma samples by HPLC-UV
    (2004-09) Rezende, Kênnia Rocha; Barros, Silvia Berlanga de Moraes
    The oral dosages formulations from Pothomorphe umbellata (Piperaceae) can only be therapeutically evaluated after establishing 4-nerolidylcatechol (4-NRC) pharmacokinetic profile in plasma. For that purpose, a unique analytical method validation using HPLC-UV detection was developed for analysis of rat plasma samples. The animals received 10 mg/kg b.w. of 4-NRC i.v.. Analytical conditions were set with C18 column, methanol: acetonitrile: water (62:20:18) as mobile phase, and a flow rate of 1.6 mL/min. The assay was linear from 1.0 - 80.0 mcg/mL. The recovery procedure was performed by liquid-liquid extraction showing quantitative extraction (106.4±8.7%). Limit of Quantification (LOQ) was found to be 1.0 mcg/mL. Interassay precision and accuracy ranged from values of 14.4-3.0% and 24.0– 0.2%, respectively. Recovery after liquid-liquid extraction was found to be 106.5 ± 3%. The method is simple and reliable with total run time of less than 15 min.