Nicotianine

from The Collaborative International Dictionary of English v.0.48

Nicotianine \Ni*co"ti*a*nine\ (? or ?), n. [F. nicotianine. See
   {Nicotian}.] (Chem.)
   A white waxy substance having a hot, bitter taste, extracted
   from tobacco leaves and called also {tobacco camphor}.
   [1913 Webster]