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You are here: Home / Herb Awareness Week Data Sheets / Horseradish

Horseradish

Armoracia rusticanahorseradish

(Gaertn, Mey et Scherb.)

Family:

Brassicaceae.

Description:

Perennial to 1.5 metre high on stout, tapering. fleshy taproot to 60cm long and 5cm thick; large basal leaves,30-100cm long, coarse lanceolate with dentate margins and long petioles. Erect racemes 50 cm to 1 metre high bearing clusters of white flowers and, beneath, stem leaves with short petioles Unlikely however to flower in NZ.

Cultivation:

Sunny position, deep fertile moisture retentive soil. Propagated by crown or root cuttings taken in Autumn or Spring. Harvest in Autumn by digging up root as needed.

Harvesting and Storage:

Keep it cool to keep it hot. Root contains highly volatile oils released by enzyme activity when root crushed.

Uses:

Root in fresh state is a stimulant, rubefacient and diuretic.

Culinary: Young leaves added to salads, dips , beetroot. Chopped leaves added to Dog food dispels worms Horseradish sauce made by grating root.

House-hold: Companion plant for potatoes, Infuse root to make a spray against brown rot in Apple trees. Boil parts to make a deep natural yellow dye

Cosmetic: Root sliced and infused in milk fades age spots and improves skin clarity. Developed in 16th century by the Danes and German and later by Britain as culinary use. Medicinal use came at a later date.

Medicinal:

Antibiotic. Lung and urinary infections. Circulatory stimulant.. Strong diuretic. Expels worms from children.

Constituents:

Mustard oil glycosides and coumarins, and is one of the richest plant sources of peroxidise enzymes.The mustard oils are released from horseradish when crushed. One of its main uses medicinally Horseradish Armoracia rusticana (Gaertn, Mey et Scherb.) is for treatment of nasal congestion and sinusitis because of its decongestant effect. Vitamins B complex and C.

Dosage:

Infusion – grated root in hot water to ease flu symptoms or urinary tract infections. As a snuff to clear nasal passage. As a poultice for stiff muscles, rheumatic conditions.

Side effects:

On exposure to air the root changes colour and loses its volatile strength. Too much taken becomes emetic. Avoid using for long periods when pregnant or suffering kidney problems. May be vesicant to some skins ; large internal doses produce inflammation of the gastro-intestinal mucosae. Skin contact with fresh horseradish can cause irritation, blistering or allergic reaction.

Horse radish Sauce

  • 4 Tablespoons of grated root
  • 1Teaspoon pounded sugar
  • 1Teaspoon salt
  • ½ Teaspoon pepper
  • 2 Teaspoon readymade mustard Vinegar.

Mix together. Enjoy with fish, meat and vegetable dishes.

References:

Braun and Cohen (2007) Herbs and Natural Supplements. An evidence based guide. Pp 426-428

Lesley Bremner. A Complete Book of Herbs

M Castleman. The Healing Herbs Bibliography

Carole Fisher and Gilian Painter Materia Medica of Western Herbs for the Southern Hemishphere

Mrs Grieve.

A Modern Herbal Prepared by Jinty Murphy

For the Herb Federation of New Zealand’s Herb Awareness Week 2011

Inquiries to HFNZ, PO Box 546, Fielding 4740. www.herbs.org.nz

Filed Under: Herb Awareness Week Data Sheets

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