vincetoxin

Century Dictionary and Cyclopedia

1. n. The name given to two yellow, amorphous, pulverulent compounds, C₁₆H₁₂O₆, contained in powdered asclepias root, Cynanchum Vincitoxicum. They melt at 59° C. One dissolves in water, the other does not.

Wiktionary

1. n. organic chemistry A glucoside extracted from the root of the white swallowwort.

GNU Webster's 1913

1. n. (Chem.) A glucoside extracted from the root of the white swallowwort (Vincetoxicum officinale, a plant of the Asclepias family) as a bitter yellow amorphous substance; -- called also asclepiadin, and cynanchin.