Why Does Wasabi Burn Your Nose?

The video explains the rarity of real wasabi and its common substitutes like horseradish. It delves into the chemical allyl isothiocyanate, responsible for the burning sensation in the nose, and how it interacts with TRIP A1 receptors. These receptors also respond to various irritants and are linked to pain and inflammation. The video concludes with innovative uses of TRIP A1, such as a wasabi-based fire alarm for the hard of hearing.

What new insight or understanding did you gain from this video?