Its biological name is Cochlearia armoracia and it is most popularly known for its pungent taste. Historical literature shows its widespread use in Europe through the centuries, not surprisingly since the Horseradish plant is native to southeast Europe. Today the plant is one of Germany’s most important domestically cultivated medicinal plants and spice crop.

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Many medicinal uses
Varieties of this herb are administered internally as a diuretic and assisting in the treatment of kidney stones and oedema, and others are used externally to ease arthritic joints and irritated nerves. Horseradish is also known to aid digestion and relive coughs and sore throats.

In Germany the herb is approved for the treatment of infections of the respiratory tract and as supportive treatment in urinary tract infections and in the United States it is the active ingredient of Rasapen, a urinary antiseptic drug.

Part used
Fresh roots

Active constituents
Modern scientific study of the Horseradish herb are notably absent however older German studies show its effectiveness in treating non-specific urinary tract infections and uncover the antibacterial action of its essential oils. These therapeutic actions are attributed primarily to peroxidase enzymes, which act by triggering arachidonic acid metabolites.

Horseradish belongs to the same botanical family as mustard and thus shares similar compounds including volatile oil, isothiocyanates and glycosides. Other constituents include:

• Gluconasturtiin
• Sinigrin
• Coumarins
• Phenolic acids
• Ascorbic acid
• Asparagin
• Resin
• Peroxidase enzymes

What is Horseradish used for?

Internally

• Bronchitis
• Sore throat caused by colds
• Indigestion
• Sinus congestion
• Bladder infections

Externally

• Anti-bacterial and antiseptic
• Muscles ache

Dosage
Fresh root
Half to one teaspoon of the fresh root can be grated and eaten three times per day. Only undried horseradish is effective.

Tincture
Two to three ml three times per day.

Poultice
Fresh grated Horseradish can be spread on a linen cloth and placed over the affected area on the skin irritation until a burning sensation is felt.

Safety
Very high doses of horseradish can cause vomiting or excessive perspiration and the direct application of Horseradish to the skin or eyes may cause irritation and burning.

Horseradish should be avoided by patients with hypothyroidism, children under the age of four and pregnant women.
 

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