piperine

Noun

pip=er=ine

WORDNET DICTIONARY

piperine(n = noun.substance) piperin - derived from pepper (especially black pepper); source of the hotness of black and white pepper;

is a kind of chemical irritant

piperine, n. [L. piper pepper: cf. F. piperin, piperine.].

A white crystalline compound of piperidine and piperic acid. It is obtained from the black pepper (Piper nigrum) and other species. [1913 Webster]