Question 1

True or false: Eating wasabi can temporarily clear your sinuses due to allyl isothiocyanate.

Accepted Answer

True. The compound irritates nasal membranes, causing a sharp, fleeting sensation that mimics decongestion.

Question 2

True or false: The heat from wasabi lingers on your tongue for several minutes.

Accepted Answer

False. Wasabi's heat is volatile and quickly fades; it hits the nose, not the tongue, and dissipates rapidly.

Question 3

True or false: Most 'wasabi' served outside Japan is actually dyed horseradish.

Accepted Answer

True. Real wasabi is rare and expensive; 95% of wasabi paste globally is horseradish, mustard, and green dye.

Question 4

True or false: Wasabi has natural antibacterial properties that help prevent food poisoning from raw fish.

Accepted Answer

True. Allyl isothiocyanate inhibits bacterial growth, historically making wasabi a practical sushi companion.

Question 5

True or false: Wasabi is a type of horseradish, just from a different part of the world.

Accepted Answer

False. Wasabi and horseradish are different species in the Brassicaceae family; wasabi is milder and pricier.

Question 6

True or false: Wasabi plants produce white flowers that are also edible.

Accepted Answer

True. Wasabi plants produce small white flowers that are edible, with a mild wasabi flavor. They can be used in salads or as garnish, though the rhizome and leaves are more commonly consumed.

Question 7

True or false: Wasabi was originally used in ancient Japan as a currency for trading spices.

Accepted Answer

False. No historical evidence supports this; wasabi was prized as a medicinal herb and condiment, not money.

Question 8

True or false: True wasabi (Wasabia japonica) requires cool, running water and shade to grow.

Accepted Answer

True. Wasabi grows naturally along shaded streams with flowing, cool spring water. Cultivation is difficult because it demands these specific conditions.

Wasabi Trivia Questions