Scammonin (also known as jalapin or scammonium) is a

glycoside In chemistry, a glycoside is a molecule in which a sugar is bound to another functional group via a glycosidic bond. Glycosides play numerous important roles in living organisms. Many plants store chemicals in the form of inactive glycosides. ...

that has been isolated from the stems of ''

Ipomoea purga ''Ipomoea purga'' is a species of flowering plant in the genus ''Ipomoea''. It is commonly referred to as jalap and is probably also the source of the John the Conqueror root. Description ''Ipomoea purga'' is described as a vine that can reach h ...

'' (jalap plant) and from ''

Convolvulus scammonia ''Convolvulus scammonia'', known commonly as scammony, is a bindweed native to the countries of the eastern part of the Mediterranean basin; it grows in bushy waste places, from Syria in the south to the Crimea in the north, its range extending ...

'' (scammony).

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Glycosides Glycolipids {{organic-compound-stub de:Skammonium