safrole

/ˈsæfroʊl/
noun
  1. A colorless or pale yellow oil found in certain plants, used in making perfumes and formerly in flavorings, but now known to be harmful.
    • Some illegal drug manufacturers try to obtain safrole for making MDMA.
    • Safrole is extracted from the root bark of the sassafras tree.
    • The use of safrole in food and drinks has been banned in many countries due to health risks.