Botanical Overview
Tropaeolum majus, commonly called Garden nasturtium, Indian cress, or Nasturtium, belongs to the family Tropaeolaceae. Native to Central and South America, it is widely cultivated in Europe and other regions. The parts used medicinally include the leaves, flowers, and seeds.
Energetics
Tropaeolum majus is considered cooling and moistening in quality, with a pungent, peppery, and spicy taste. It exhibits a descending and outward directionality and is tonifying in effect, primarily influencing the body’s qi.
Primary Actions
- Antimicrobial
- Diuretic
- Expectorant
- Antiscorbutic (prevents scurvy)
- Mild stimulant
Indications
Western
- Cough
- Bronchitis
- Urinary tract infections
- Scurvy
- Skin infections
Syndromes
- Respiratory catarrh
- Mild cystitis
- Vitamin C deficiency
TCM
No traditional uses recorded.
Ayurveda
No documented indications.
Unani
No documented indications.
Constituents & Mechanisms
The plant contains glucosinolates, flavonoids, vitamin C, tropaeolins, and carotenoids, which contribute to its antimicrobial, antioxidant, and antiscorbutic properties.
Dosage & Preparations
- Infusion: 2-4 g dried herb, 1-3 times daily
- Fresh leaves and flowers eaten raw as salad or garnish
- Tincture 1:5 in 40% ethanol, 2-5 mL 1-3 times daily
Safety & Contraindications
Generally safe when consumed as food or herbal preparations. Avoid in individuals allergic to cruciferous plants. Safety during pregnancy and lactation is not well established, so use cautiously. Rarely may cause mild gastrointestinal upset.
Astrological Correspondences
Currently, no well-established planetary or elemental rulers are documented for Tropaeolum majus.
Selected References
- Tropaeolum majus – PFAF Plant Database
- Community herbal monograph on Tropaeolum majus L., herba – EMA, 2013
- American Herbal Pharmacopoeia: Nasturtium Leaf and Flower – Upton, 2001