Linked from
The 9 pages that link to Allyl isothiocyanate, each with the reason it gives.
MustardBroader topic: This reaction product gives many mustards their nose-clearing bite.
WasabiBroader topic: It supplies much of freshly grated wasabi’s nasal sting.
HorseradishBroader topic: It gives freshly grated horseradish much of its sharp, nose-tingling heat.
Mustard oilBroader topic: It is the principal pungent compound in many mustard varieties.
PungencyBroader topic: Its vapors can produce a sharp, fleeting sensation in the nose.
Mustard plantBroader topic: It gives many brown and black mustards their sharp heat and aroma.