Piperine
Pronunciation : Pip"er*ine
Part of Speech : n.
Etymology : [L. piper pepper: cf. F. piperin, piperine.] (Chem.)
Definition : Defn: A white crystalline compound of piperidine and piperic acid. It is obtained from the black pepper (Piper nigrum) and other species.
Source : Webster's Unabridged Dictionary, 1913