Sentence Examples


  • Contraction of muscle; it enormously delays the return from the contracted state, as also does epinephrin, an alkaloid extracted from the suprarenal gland.
  • NICOTINE, C10H14N2, an alkaloid, found with small quantities of nicotimine, C 19 H 14 N 2, nicoteine, C10H12N2, and nicotelline, C 10 H 8 N 2, in tobacco.
  • The alkaloid is obtained from an aqueous extract of tobacco by distillation with slaked lime, the distillate being acidified with oxalic acid, concentrated to a syrup and decomposed by potash.
  • The free alkaloid is strongly laevo-rotatory.
  • Thus the groupings J_C C - - C C - >N CH 3 and - C C C N exist in the molecule, and the alkaloid is to be represented as a-pyridyl-N-methyl-pyrollidine.
 

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