Botanical Overview
Gentiana scabra, commonly known as Rough Gentian or Japanese Gentian, belongs to the family Gentianaceae. The medicinal part used is primarily the root, which has been traditionally utilized in East Asia, including regions such as Japan, China, and Korea.
Energetics
This herb is characterized by a cooling temperature and a drying moisture quality. It has a distinctly bitter taste and functions as a tonifying herb that supports qi, primarily affecting the digestive system.
Primary Actions
- Bitter
- Choleretic
- Digestive stimulant
- Hepatoprotective
- Anti-inflammatory
- Antimicrobial
Indications
Western
- Loss of appetite
- Dyspepsia
- Indigestion
- Hepatitis symptoms
- Fever
Syndromes
- Digestive weakness
- Hepatic inflammation
- Biliary disorders
TCM
- Fever
- Jaundice
- Poor appetite
- Digestive disturbances
- Throat inflammation
Syndromes
- Damp-Heat in Liver and Gallbladder
- Spleen and Stomach Deficiency
- Heat toxin
Ayurveda
No documented traditional uses or syndromes confirmed.
Unani
No documented traditional uses or syndromes confirmed.
Constituents & Mechanisms
Gentiana scabra root contains important phytochemicals such as gentiopicroside, amarogentin, bitter secoiridoid glycosides, iridoids, and xanthones. These compounds are responsible for its bitter taste and choleretic, hepatoprotective, and anti-inflammatory properties.
Dosage & Preparations
- Decoction of 3-9 grams daily
- Tincture standardized to gentiopicroside, 1-2 mL taken 2-3 times per day
Safety & Contraindications
Gentiana scabra root is generally safe when used appropriately. Use caution in individuals with gastric ulcers as it may increase gastric acid secretion. Its use is not recommended during pregnancy or lactation due to insufficient safety data. Avoid use in bile duct obstruction or acute biliary inflammation. Allergic reactions are rare but possible.
Astrological Correspondences
No reliable traditional or modern sources were found to assign planetary or elemental rulers for Gentiana scabra.
Selected References
- Phytotherapy: A Quick Reference to Herbal Medicine, Heinrich, M., 2010
- Chinese Herbal Medicine Materia Medica, Bensky, D., Barolet, R., 2004
- European Medicines Agency – Assessment report on Gentianae radix, 2017