Since the early 1800s, practitioners of organic chemistry have been fascinated with a group of plant-derived compounds called "alkaloids." Alkaloids contain at least one nitrogen atom among other ...

This video segment, adapted from NOVA uses reenactment footage to show how chemist Percy Julian completed the total synthesis of physostigmine, an alkaloid derived from the Calabar bean that could ...

Scientists have isolated a novel alkaloid from the venom of the scorpion Megacormus gertschi, 3.5-4 cm in length. Scorpion venom packs more than a painful sting.

HEIKKI PYYSALO, CARL-JOHAN WIDÉN, CORNELIS A. SALEMINK, EVA LEWING, ARNE ROUSI, ARJA OJALA, Interspecific hybridization in Papaver. 2. Alkaloid contents of P. somniferum and species of the section ...

THE clinical observations of Moir (Brit. Med. J., i, 1119; 1932), that aqueous extracts of ergot are more effective in producing the uterine contractions to which this drug owes its medicinal use ...