from The Century Dictionary and Cyclopedia

  • n. The dried milky juice of the European lettuce, Lactuca virosa. It consists of a mixture of α- and β-lactucerol acetates and has the formula C20H32O2.
  • n. A colorless dextrorotatory compound, C28H44O2 (?), contained in the juice of the European lettuce. It crystallizes in microscopic needles and melts at 210° C. Also called lactucon.


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