The present paper reports a new application: the voltammetric determination in herbal medicines of ultra-trace thallium(I), presence lead(II), tin(II) and antimony(III) as interfering metals, by square wave anodic stripping voltammetry (SWASV). A conventional three-electrodes cell was employed with stationary hanging mercury drop electrode (HMDE) working platinum an Ag|AgCl|KClsatd. auxiliary r...

Harpagophytum, Devil's Claw, is a genus of tuberiferous xerophytic plants native to southern Africa. Some of the taxa are appreciated for their medicinal effects and have been traditionally used to relieve symptoms of inflammation. The objectives of this pilot study were to investigate the antioxidant capacity and the content of total phenols, verbascoside, isoverbascoside, and selected iridoid...

Introduction: Aqueous leave extract of Tridax procumbens (AETPL) is reported to improve erectile functions; however, the mechanism unclear. This study investigates involved in contractile activity corpus cavernosum after AETPL treatment paroxetine-induced dysfunctional adult male Wistar rats.
 Methods: A total 20 rats were categorized into four groups five and treated orally for weeks: Gro...

Leaves of a number of Ericaceous plants have a thin epicuticular layer that consists mostly of triterpenes. In Kalmia angustifolia, K. latifolia and K polifolia as well as in Gaultheria procumbens and G. shallon this material also contains trace amounts of flavonoid aglycones. In Kalmia they are the 3-OMe-derivatives of four C-methyl flavones reported previously as the typical leaf-wax flavonoi...

BACKGROUND Launaea procumbens is used in the treatment of oxidative stress and mental disorders. The effects of Launaea procumbens methanolic extracts (LPMEs), i.e., 100 and 200 LPME mg/kg body weight (b.w.), on cognitive performance as well as on the activity of acetylcholinesterase, and antioxidant enzymes in rat brain tissue homogenates were evaluated. METHODS Thirty male Sprague-Dawley ra...