<unk>  (8-methyl-N-vanillyl-6-nonenamide) is an active component of chili peppers, which are plants belonging to the genus<unk> sicum. It is a chemical irritant for mammals, including humans, and produces a sensation of burning in any tissue with which it comes into contact.<unk>  and several related alkaloids are called<unk> oids and are produced as secondary metabolites by chili peppers, probably as deterrents against certain mammals and fungi. Pure<unk>  is a hydrophobic, colorless, highly pungent, crystalline to waxy solid compound.
Capsaicin
Eoxin
Agitoxin
Toxin
Dermatoxin
Toxicophore
Scyllatoxin
Allergen