This study describes the vasorelaxant potential of some pure compounds isolated from Phlomis bracteosa L. marrubiin, phlomeoic acid, and two new constituents labeled as RA and RB. In rat thoracic aortic rings denuded of endothelium, marrubiin, phlomeoic acid, RA, and RB caused relaxation of high K(+) (80 mM) and phenylephrine (1 μM)-induced contractions at the concentration range of 1.0-1000 μg...

Hymenocrater calycinus (Boiss.) Benth. is endemic to Iran and it is growing natural habitats in the north east of Iran.  In traditional medicine, this plant use for flu treatment, diuretic, antibacterial, antifungal and antioxidant. In order, this plant know ecological characteristic for introduce and dense cultivation on farm land and then use in medical industries. Such as this plant natural ...

Aims : To revise the syntaxonomy of vegetation steppe depressions ( pody ), in particular (1) to identify associations and reveal their environmental, structural compositional peculiarities; (2) assign higher syntaxa; (3) correct nomenclatural aspects according ICPN. Study area Steppe zone Ukraine, Left-Bank Lower Dnieper basin. Methods 641 relevés were included final analysis PCOrd program int...

Species richness, resource availability, and disturbance are the primary factors considered in assessing the invasibility of plant communities. Nonetheless, the density of individuals in a community is a common and easy trait to measure. The ecological significance of the density of both native and invasive tree species was assessed using a systematic review and formal meta-analysis. The densit...