The evergreen tree Alstonia scholaris (L) R. Br. (Family: Apocynaceae) is native to Australasia, southern China and the tropics of Asia. Despite its importance as a medicinal plant, little known about potential role in complementing standard methods treating diabetes associated consequences. Therefore, present study scientifically investigated extracts from leaves A. for their antioxidant (in v...

Patients who have chest pain following the use of cocaine have become more common in emergency departments throughout the United States,with approximately 6% of these patients sustaining an acute MI. The authors have described the rationale for recommending aspirin, benzodiaze-pines, and nitroglycerin as first-line treatments and calcium-channel blockade or phentolamine as possible second-line ...

Nine bisindole alkaloids, comprising four belonging to the macroline-sarpagine group, and five belonging to the macroline-pleiocarpamine group, were isolated from the stem-bark extracts of Alstonia angustifolia (Apocynacea). Their structures were established using NMR and MS analyses.