Sinapine
Pronunciation : Sin"a*pine
Part of Speech : n.
Etymology : [L. sinapi, sinapis, mustard, Gr. sinapine.] (Chem.)
Definition : Defn: An alkaloid occuring in the seeds of mustard. It is extracted, in combination with sulphocyanic acid, as a white crystalline substance, having a hot, bitter taste. When sinapine is isolated it is unstable and undergoes decomposition.
Source : Webster's Unabridged Dictionary, 1913