It has an extremely
strong flavor. Its hotness is more akin to that of a hot mustard than
the capsaicin in a chili pepper, producing vapors that irritate the
nasal passages more than the tongue. To release irritation, just open
mouth and breath quickly several times.
Wasabi is weak to heat, so it wont work when you put to hot foods.
traveling o Japan it is very important to know that Soy sauce is
not served as a dipping sauce. Instead of dipping your food into
it totally, you just need to put the food on the surface and make
just touch a bit. That is all you need to add a enough flavor to
it or not, it is one of Japanese dining etiquette not to leave a pool
of left-over soy sauce in the little dish.