Pipercide is an amide of piper nigrum fruits. Pipercide has larvicidal activity to mosquito. Pipercide acts on the nervous system and induces repetitive discharge on the central nerve cord. Pipercide can be used as an insecticide[1].
[1]. Park IK, et al. Larvicidal activity of isobutylamides identified in Piper nigrum fruits against three mosquito species. J Agric Food Chem. 2002 Mar 27;50(7):1866-70.
[2]. Makoto HATAKOSHI, et al. The Knockdown Activity an Nervous Effect of Piercide against American Cockroach, Periplaneta Americana. Applied Entomology and Zoology. 1984 Volume 19 Issue 3 Pages 288-292.