from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A bitter glucoside, C13H18O7, obtained mainly from the bark of poplar and willow trees and formerly used as an analgesic.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A glucoside derivative of salicylic acid; the active principle of willow bark, once used medicinally.

from the GNU version of the Collaborative International Dictionary of English

  • n. A glucoside found in the bark and leaves of several species of willow (Salix) and poplar, and extracted as a bitter white crystalline substance.

from The Century Dictionary and Cyclopedia

  • n. A neutral crystalline glucoside (C13H18O7), of a bitter taste.


from The American Heritage® Dictionary of the English Language, 4th Edition

French salicine, from Latin salix, salic-, willow.

from Wiktionary, Creative Commons Attribution/Share-Alike License

Latin salix, salicis, a willow, and -in.


  • Add boswellia aka frankincense at 1,000 mg a day and willow bark so you get 120 to 240 mg of the active component called salicin, which is also, by the way, the active component of aspirin—we like the aspirin itself.

    You Being Beautiful

  • “Well,” Alex said, “people do know that they can chew on the bark or leaves of willow trees, which contain salicin, which is related to aspirin, so—”


  • It also furnishes the principle called salicin, which, from the

    Resources of the Southern Fields and Forests, Medical, Economical, and Agricultural. Being also a Medical Botany of the Confederate States; with Practical Information on the Useful Properties of the Trees, Plants, and Shrubs

  • "The leaves and bark of the willow tree contain a substance called salicin, a naturally occurring compound similar to acetylsalicylic acid, the chemical name for aspirin."

    BBC News | News Front Page | UK Edition

  • Alder bark contains the anti-inflammatory salicin which is metabolized into salicylic acid in the body.

    Find Me A Cure

  • White Willow Bark Extract provides anti-inflammatory phenolic glycosides, such as salicin, which have been shown to be effective in the treatment of arthritis, back pain and other joint inflammatory conditionsWhite willow bark does not destroy the stomach lining on contact the way aspirin does, however, it does have the same blood thinning effect as aspirin and caution is indicated.


  • Aspen contains salicin and populin, which have properties similar to aspirin in reducing fever, pain and inflammation.

    Brigitte Mars: Aspen Trees in the Breeze

  • Aspirin is a chemical imitation of salicin, found in the bark of the white willow tree.

    Earl Mindell’s New Herb Bible

  • We not only resent the imputation that our watch is wrong, or our car shabby, but that our conception of the canals of Mars, of the pronunciation of “Epictetus,” of the medicinal value of salicin, or of the date of Sargon I is subject to revision.

    How to Win Friends and Influence People

  • With the help of synthetic chemists, morphine has become hydromorphine; lysergic acid has been converted to methylysergide; cocaine has yielded procaine; physostigmine has been converted into neostigmine and salicin has been changed into acetylsalicylic acid.

    Chapter 7


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