Overview
Oral: inflammation of respiratory tract mucous membranes, coughs, bronchitis; spring tonic (per page). Topical: arthritis/rheumatoid arthritis, earache, eczema, scabies, warts (as listed). Culinary nutritive use as a food-medicine green.
Plant family
Brassicaceae / Cruciferae
Parts used
Above-ground parts (fresh or dried)
Actions
Diuretic · Expectorant
Affinities
Respiratory · Digestive
Body systems
Respiratory · Digestive
Taste profile
Peppery, hot
Tissue states
Traditional use
Traditional list on page includes: appetite stimulant, abortifacient, aphrodisiac, bactericide, laxative, restorative, stimulant, anthelmintic; uses mentioned for digestion, alopecia, cancer, flu/swine flu, goiter, polyps, scurvy, TB, gland tumors.
Current use
Oral: inflammation of respiratory tract mucous membranes, coughs, bronchitis; spring tonic (per page). Topical: arthritis/rheumatoid arthritis, earache, eczema, scabies, warts (as listed). Culinary nutritive use as a food-medicine green.
Preparation
Fresh use (preferred); dried herb; fresh-pressed juice.
Dosage guidance
German Commission E (notes): dried herb 4–6 g; fresh herb 20–30 g; fresh-pressed juice 60–150 g.
Cautions & contraindications
Contraindicated in pregnancy, lactation, gastric/duodenal ulcers, inflammatory kidney disorders, and in children <4. Large amounts may cause GI irritation; excessive/prolonged use may cause kidney damage. Interaction notes: chlorzoxazone (reduced metabolism/elimination); warfarin (high vitamin K may antagonize anticoagulant effect). AHPA Class 2b/2d (US).
Evidence notes
Constituent notes emphasize mustard oils/isothiocyanates and high vitamin/mineral content; page notes phenethyl isothiocyanate released by chewing may inhibit metabolic activation of a lung carcinogen (preliminary). Significant safety caveats in pregnancy/lactation, ulcers, kidney disorders, and warfarin (vitamin K) per safety field.