The pharmacologically important tropane alkaloids have a scattered distribution among angiosperm families, like many other groups of secondary metabolites. To determine whether tropane alkaloids have ...

Proceedings of the National Academy of Sciences of the United States of America, Vol. 112, No. 11 (March 17, 2015), pp. 3205-3210 (6 pages) The monoterpene indole alkaloids are a large group of ...

Scorpion venom packs more than a painful sting. It’s also chock full of novel bioactive compounds—most of them polypeptides—that intrigue scientists. For the first time, researchers have identified an ...

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 ...

Based on: Rauwolfia: Botany, pharmacognosy, chemistry and pharmacology. By Robert E. Woodson, Jr., Ph.D.; Heber W. Youngken, Ph.D., Sc.D., Phm.D.; Emil Schlittler, Ph ...

Ergot alkaloids are a group of headache medicines that include dihydroergotamine (Migranal, Trudhesa, others) and ergotamine (Cafergot, Ergomar, Ergostat, others). These drugs are used only to treat ...

Barley is one of the most important cereal crops on a global scale. Many barley cultivars produce a toxic alkaloid called gramine that affects the suitability of barley as fodder, but also helps to ...

OF all the American works on pharmacognosy, none is so well known in this country as Prof. Kraemer's, and every pharmacognosist will welcome the appearance of a second edition as affording the author ...

Elemental sulfur has helped bring an end to chemists’ 40-year quest to synthesize (–)-acetylaranotin, an intricately structured alkaloid first isolated from fungi (J. Am. Chem. Soc., DOI: ...

A venomous, 8-inch centipede may be the stuff of nightmares, but it could save the life of those affected by kidney disease. Researchers report in the Journal of Natural Products that the many-legged ...