What is horseradish?
A: Horseradish is a perennial plant of the family Brassicaceae.
It is a root vegetable, cultivated and used worldwide
as a what?
A: A spice and as a condiment.
The species is probably native to where?
A: Southeastern Europe and western Asia.
Horseradish grows up to how tall?
A: 1.5 meters (5 feet).
It has hairless bright green unlobed leaves up to how
long that may be mistaken for docks?
A: 1 m (3 ft 3 in).
It is cultivated primarily for its what?
A: Large, white, tapered root.
The white four-petalled flowers are what?
A: Scented and are borne in dense panicles.
Established plants may form what?
A: Extensive patches and may become invasive unless carefully managed.
Intact horseradish root has little what?
When cut or grated, enzymes from within the plant cells
digest sinigrin (a glucosinolate) to produce allyl isothiocyanate (mustard
oil), which does what?
A: It irritates the mucous membranes of the sinuses and eyes.
Once exposed to air or heat, horseradish loses its
A: Pungency, darkens in color, and develops a bitter flavor.
Where does a mural show the plant?
A: in Pompeii.
Both root and leaves were used as a traditional what
during the Middle Ages?
Where was the root used as a condiment on meats?
A: In Germany, Scandinavia, and Britain.
When was it was introduced to North America?
A: During European colonization; both George Washington and Thomas Jefferson mention horseradish in garden accounts.
Native Americans used it to do what?
A: Stimulate the glands, stave off scurvy, and as a diaphoretic treatment for the common cold.
Horseradish is perennial in what hardiness zones?
A: Zones 2–9 and can be grown as an annual in other zones.
What is done after the first frost in autumn kills the
A: The root is dug and divided.
The main root is harvested, and one or more large
offshoots of the main root are what?
A: Replanted to produce next year's crop.
Horseradish left undisturbed in the garden spreads how?
A: Via underground shoots and can become invasive.
What is the pungent ingredient in fresh horseradish
A: Allyl isothiocyanate.
The allyl isothiocyanate serves the plant as a what?
A: A natural defense against herbivores.
Cooks may use the terms "horseradish" or "prepared
horseradish" to refer to what?
A: The mashed (or grated) root of the horseradish plant mixed with vinegar.
Prepared horseradish is what color?
A: White to creamy beige in color.
The leaves of the plant are what?
A: Edible, either cooked or raw when young, with a flavor similar but weaker than the roots.
A variation of horseradish sauce, which in some cases
may substitute the vinegar with other products like lemon juice or citric
acid, is known in Germany as what?
In the US, the term "horseradish sauce" refers to what?
A: Grated horseradish combined with mayonnaise or salad dressing.
In Denmark it is mixed with what?
A: Whipping cream and as such used on top of traditional Danish open sandwiches with beef (boiled or steaked) slices.
Prepared horseradish is a common ingredient in type of
A: Bloody Mary’s.
Horseradish cream is a mixture of what?
A: Horseradish and sour cream and is served au jus for a prime rib dinner.