2.11. Pungency

It's a burning sensation or sharp feeling in the nasal cavity as demonstrated by cayenne peppers and horseradish.

The chemicals responsible bear some structural relationship but the mechanism of this stimulus is not fully understood.

Piperanine Piperylin Gingerol Shogaol Zingerone Capsaicin Dihydro-capsaicin Nordihydro-capsaicin