Because the smell of spiciness of Wasabi helps smell of seafood have all kinds, because substances in the Wasabi when rain is in the air affect starch reaction is both intense flavors and spiciness odor but it will taste or smell it, just only one and just won't hold the remaining long spicy like chili or pickled ginger. Makes it possible to enjoy the real taste of the next piece of sashimi was delicious and thukklin meters, flying out to help extinguish a fishy. There are also commonly used by medical research found that Wasabi effect in killing germs and can resist infections, bacteria, and certain types of fungi, including Wasabi can also help get rid of worms that live in the fish when it passed into the human digestive tract.