1. Academic Validation
  2. Modified secoiridoid from Acicarpha tribuloides and inhibition of nitric oxide production in LPS-activated macrophages

Modified secoiridoid from Acicarpha tribuloides and inhibition of nitric oxide production in LPS-activated macrophages

  • Phytochemistry. 2006 Jul;67(14):1534-8. doi: 10.1016/j.phytochem.2006.05.014.
Tamara L Meragelman 1 Beatriz Salido Renteria Gloria L Silva Claudia Sotomayor Roberto R Gil
Affiliations

Affiliation

  • 1 Departamento de Química Orgánica (IMBIV-CONICET), Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Pabellón de Ciencias II, Ciudad Universitaria, Córdoba, Argentina.
Abstract

Bioassay-guided fractionation of Acicarpha tribuloides Juss. resulted in the isolation of an uncommon non-glycosylated secoiridoid, tribulolide (1), two known secoiridoid glycosides named secologanic acid (2) and vogeloside (3) as well as two natural chromones, 6,7-dimethoxychromone (4) and 7-hydroxy-6-methoxy-chromone (5). Compounds 1-3 showed inhibition of nitric oxide production in lipopolysaccharide-activated macrophages; their activity is comparable to that of aminoguanidine, a classic inhibitor.

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