Jalapin

noun

1. A glucoside resin which is one of the purgative principles of jalap and of various plants of the convolvulaceous order. See jalap.
2. A glucoside found in the stems of the jalap plant and scammony. It is a strong purgative.
3. The active principle of scammony, the glucoside with chemical formula C34H114O6, a powerful purgative.