Botanical Overview
Quercus robur, commonly known as English oak, pedunculate oak, or common oak, belongs to the family Fagaceae. It is native to Europe, Western Asia, and North Africa. The medicinal parts used primarily include the bark, leaves, and galls.
Energetics
This plant is traditionally considered cooling and drying with bitter and astringent tastes. Its tonic effect particularly supports the blood system.
Primary Actions
- Astringent
- Anti-inflammatory
- Antimicrobial
- Antioxidant
Indications
Western
- Diarrhea
- Skin inflammations
- Hemorrhoids
- Wounds
- Eczema
- Mucosal irritations
Syndromes
- Excessive mucosal secretions
- Chronic inflammation
- Haemorrhagic conditions
TCM
No traditional uses documented.
Ayurveda
No traditional uses documented.
Unani
No traditional uses documented.
Constituents & Mechanisms
The primary phytochemicals include tannins, flavonoids, gallic acid, ellagic acid, and triterpenes, contributing to its astringent, anti-inflammatory, antimicrobial, and antioxidant properties.
Dosage & Preparations
- Decoction of bark: 2–4 g in 150 mL water, 2–3 times daily
- Tincture 1:5 in 50% alcohol, 2–5 mL 1–3 times daily
- External poultices and washes prepared from bark or leaves
Safety & Contraindications
Generally regarded as safe for external and short-term internal use. Internal prolonged use may cause gastrointestinal irritation due to tannins. Use with caution or avoid during pregnancy, lactation, and in patients with gastrointestinal ulcers. Possible interaction with anticoagulants and antidiarrheal medications. Allergic reactions may occur in sensitive individuals.
Astrological Correspondences
No clearly established planetary or elemental rulers documented in verified sources.
Selected References
- Plants For A Future: Quercus robur
- European Medicines Agency, HMPC Assessment Report on Quercus robur L., cortex (2016)
- Grieve, M. (1984). A Modern Herbal.
- Natural Medicines Comprehensive Database (2020)