PARTE UTILIZADA= Used part: Raíz y hojas.

ACCIÓN FARMACOLÓGICA= Pharmacological action: Vulnerario. purgativo.

COMPOSICIÓN QUÍMICA= Chemical composition: Two novel triterpene glycosides were isolated from M. pigra. The aglycon of these 2 compds. was identified as machaerinic acid by 1H- and 113C-NMR spectroscopy and by comparison with an authentic sample. This aglycon is substituted at position C-3 by an identical oligosaccharide chain in these glycosides, and at position C-21 by either a Z/E-methoxycinnamic unit or an E-cinnamic acid unit.

ZONA GEOGRÁFICA= Geografical zone: Brasil, Paraguay y NE de Argentina. 

Stem and Leaf: In Guyana, a decoction is used to treat thrush in babies and bed-wetting in children.

Leaf: Leaves are macerated in the hands and rubbed on the eyes of babies or children to put them to sleep when they are irritable, by the Guyana Patamona.

1) TOURSARKISSIAN, Martín. Plantas medicinales de Argentina : sus nombres botánicos, vulgares, usos y distribución geográfica. Buenos Aires : Hemisferio Sur, 1980, p.72 .

2) ENGLERT, Jurgen, et al. Triterpenoid saponins from Mimosa pigra. Journal of Natural Products. 1995, vol.58, nº8, p.1265-1269.

3) Robertt, A., et al.. Medicinal Plants of the Guianas (Guyana, Suriname, French Guyana)/Smithsonian NMNH. cited online: 17-08-2017