Botanical Overview
Uncaria rhynchophylla, belonging to the Rubiaceae family, is a woody climber native to East and Southeast Asia, particularly China. Commonly known as Gou Teng or Cat’s Claw, the medicinal parts used primarily include the stem and hook.
Energetics
Traditionally, Uncaria rhynchophylla is considered cooling and moistening in nature, with bitter and sweet tastes. It is relaxing in tonicity and primarily influences the qi aspect.
Primary Actions
- Antihypertensive
- Antioxidant
- Neuroprotective
- Sedative
- Antispasmodic
Indications
Western
- Hypertension
- Headache
- Dizziness
- Convulsions
- Tremors
Syndromes
- Hypertensive disorders
- Neurodegenerative symptoms
TCM
- Headache
- Dizziness
- Convulsions
- Epilepsy
- High blood pressure
Syndromes
- Liver Yang rising
- Wind heat
- Internal wind
Ayurveda
No well-documented traditional indications.
Unani
No well-documented traditional indications.
Constituents & Mechanisms
The plant contains several alkaloids including rhynchophylline and isorhynchophylline, known for their neuroprotective and vasodilatory effects, alongside tannins contributing to its antioxidant properties.
Dosage & Preparations
- Decoction: 9-15 grams of dried stem daily
- Tincture: 1:5 ratio in 40% ethanol, 2-5 mL 1-3 times daily
- Powder: 3-6 grams daily
Safety & Contraindications
Generally safe when used in recommended doses. Caution is advised during pregnancy and lactation due to a lack of sufficient safety data. It can potentiate antihypertensive medications and should be used with blood pressure monitoring to avoid hypotension.
Astrological Correspondences
No well-established planetary or elemental rulers are documented for this species in reputable esoteric or herbal traditions.
Selected References
- Pharmacological Effects of Rhynchophylline from Uncaria rhynchophylla – Li et al., 2015
- Chinese Herbal Medicine: Materia Medica – Bensky, Clavey, Stöger, 2004
- Herbal Medicine: Biomolecular and Clinical Aspects. 2nd edition. – Barnes et al., 2011