Geumonoid (1), a new triterpene, was isolated from Geum japonicum. Its structure was elucidated on the basis of 1D, 2D NMR and MS spectroscopic analysis. Compound 1 showed inhibitory activity against HIV-1 protease.

Cylindrospermopsin (CYN) is an emerging freshwater cyanobacterial toxin, and its reports on toxicity toward the human liver kidney tissues has drawn a lot of attention. An appropriate analytical method necessary to determine presence this toxin in water resources including drinking water; therefore, it develop sensitive for CYN detection. In study, we developed simple detection using liquid chr...

Geum atlanticum is a species described from North Africa and later found in Southern Iberian Peninsula. However, according to Flora iberica taxonomic treatment, it has been considered synonymous with G. sylvaticum, mainly distributed by Southeast of France, Peninsula, Africa, sharing part the distribution range habitat. In this work, herbarium specimens both sylvaticum were revised evaluate mor...