Source of the hotness of black and white pepper

• Derived from pepper (especially black pepper)

Wikipedia Word definitions in Wikipedia
Piperine , along with its isomer chavicine , is the alkaloid responsible for the pungency of black pepper and long pepper . It has also been used in some forms of traditional medicine and as an insecticide .

Wiktionary Word definitions in Wiktionary
n. (context organic compound English) The alkaloid responsible for the pungency of black pepper

WordNet Word definitions in WordNet
n. derived from pepper (especially black pepper); source of the hotness of black and white pepper [syn: piperin ]

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Piperine \Pip"er*ine\, n. [L. piper pepper: cf. F. piperin, piperine.] (Chem.) A white crystalline compound of piperidine and piperic acid. It is obtained from the black pepper ( Piper nigrum ) and other species.