Botanical Overview
Gastrodia elata is an orchid species from the Orchidaceae family, commonly known as Tian Ma or Gastrodia. The primary medicinal part used is the rhizome. Native to East Asia, including China, Japan, and Korea, this plant is highly regarded in traditional Chinese medicine.
Energetics
- Temperature: Neutral
- Moisture: Moistening
- Tastes: Sweet, Bland
- Directionality: Descending
- Tonicity: Relaxing
- Qi/Blood/Fluid: Qi
Primary Actions
- Anticonvulsant
- Neuroprotective
- Sedative
- Antioxidant
- Antispasmodic
Indications
Western
- Headache
- Dizziness
- Migraine
- Epilepsy
- Neuropathic pain
- Convulsions
- Vertigo
Syndromes
- Central nervous system disorders
- Neurodegenerative conditions
TCM
- Headache
- Dizziness
- Vertigo
- Tremors
- Numbness
- Convulsions
Syndromes
- Liver Wind Rising
- Internal Wind
- Liver Yang Rising
- Phlegm obstruction
Ayurveda
No well-documented traditional uses available.
Unani
No well-documented traditional uses available.
Constituents & Mechanisms
The rhizome contains notable phytochemicals such as gastrodin, vanillin, parishin, various phenolic compounds, and stilbenes which contribute to its neuroprotective, antioxidant, and anticonvulsant effects.
Dosage & Preparations
- Decoction of rhizome: 3-9 grams daily
- Powder: 1-3 grams daily
- Standardized extracts to gastrodin, dosage varies
Safety & Contraindications
Gastrodia elata is generally considered safe when used appropriately. Caution is advised during pregnancy and lactation due to insufficient safety data. It may enhance the effects of sedative and anticonvulsant medications; medical supervision is recommended when combined.
Astrological Correspondences
No well-established planetary or elemental rulers were identified in authoritative sources.
Selected References
- Phytochemistry and pharmacology of Gastrodia elata Blume: a review
- Chinese Herbal Medicine: Materia Medica
- Gastrodia elata – PFAF
- Neuroprotective Effects of Gastrodia elata Blume and Its Constituents