Glucose uptake by isolated diaphragms of both diabetic, following streptozotocin administration, and non-diabetic animals increased in presence of an oleanane-type triterpenoid saponin isolated from the roots of M. cymbalaria. Insulin release was augmented by the presence of the saponin of M. cymbalaria (1 mg/mL) in rat insulinoma cell line (RIN-5F) preexposed to adrenaline (5 microM) and nifed...

Background and aims: Botanic gardens play a fundamental role in conservation due to the maintenance of seed live plant collections. However, exchange ornamental seeds between botanic can facilitate entry alien species with invasive potential. In 2018, during visit collections National Botanical Garden (Chile), we discovered populations an herb genus Veronica (Plantaginaceae). The aim this paper...