St. John's Wort
Agrimonia eupatoria
St. John's Wort (Agrimonia eupatoria) is a flowering plant native to Europe and Asia, known for its historical use in traditional medicine to treat mild to moderate depression and other mood-related conditions.
Botanical Identification
St. John's Wort, scientifically known as Agrimonia eupatoria, belongs to the rose family (Rosaceae). It is a perennial herb native to Europe and western Asia. Common names include agrimony and St. John's wort, with variations in different regions. The plant has hairy stems, heart-shaped leaves, and yellow flowers, and has been historically used in herbal medicine.
The following list summarize the taxonomy of plant:
- Kingdom: Plantae
- Division: Magnoliophyta
- Class: Eudicots
- Order: Rosales
- Family: Rosaceae
- Genus: Agrimonia
- Species: Agrimonia eupatoria
Active Compounds
St. John's Wort contains key active compounds such as tannins, flavonoids, and phenolic acids. These compounds work together to exert anti-inflammatory and antioxidant effects. Their synergistic interactions enhance the herb's therapeutic potential in herbal medicine.
- Tannin
- Flavonoid
- Phenolic acid
Therapeutic Indications
| System | Condidtion | Action |
|---|---|---|
| Respiratory | Bronchitis, sore throat, influenza, respiratory infections | Antimicrobial, anti-inflammatory, antiviral, expectorant |
| Integumentary | Skin infections, wound healing, wounds, dermatitis | Antimicrobial, anti-inflammatory |
| Digestive | Diarrhea, gastroenteritis, gastric ulcers, gastrointestinal inflammation | Antimicrobial, anti-inflammatory, spasmolytic, carminative, antispasmodic |
Preparation Methods
Decoction: Used for digestive issues and respiratory ailments.
Infusion: Used for colds, coughs, and skin infections.
Tincture: Used for respiratory infections and digestive disorders.
Safety Profile
St. John's Wort is contraindicated for individuals taking antidepressants, anticoagulants, or other medications due to potential drug interactions. It may also increase sensitivity to sunlight, leading to phototoxic reactions. Use under professional guidance is strongly recommended.