Botanical Overview
Alisma orientale (family Alismataceae), commonly known as Oriental water plantain or water plantain, is native to East Asia, particularly China, Japan, and Korea. The rhizome and root are the parts traditionally used medicinally.
Energetics
This herb is characterized as cooling and moistening in nature, with sweet and bland tastes. Its action is descending, primarily affecting body fluids, and it is considered relaxing in tonicity.
Primary Actions
- Diuretic
- Anti-inflammatory
- Cholagogue
- Hypolipidemic
Indications
Western
- Edema
- Dysuria
- Urinary tract inflammation
- Hyperlipidemia
Syndromes
- Fluid retention
- Dampness conditions
TCM
- Urinary difficulty
- Edema
- Damp-heat syndromes in the lower jiao
Syndromes
- Damp-heat in lower burner
- Edema with scanty urine
- Dysuria
- Weight gain from water retention
Ayurveda
No well-established indications.
Unani
No well-established indications.
Constituents & Mechanisms
Major phytochemicals include terpenes and triterpenes such as alisol A, B, and C, polysaccharides, and flavonoids.
Dosage & Preparations
- Decoction: 9–15 g of dried rhizome daily
- Powdered root 3–6 g daily
- Standardized extract doses vary by preparation
Safety & Contraindications
Generally considered safe when used in traditional doses. Caution is advised during pregnancy due to insufficient safety data. May increase diuretic effect and interact with other diuretic medications. Not recommended for individuals with kidney impairment without medical supervision.
Astrological Correspondences
No reliable sources found regarding planetary or elemental rulers.
Selected References
- Phytotherapy: A Quick Reference to Herbal Medicine
- Chinese Herbal Medicine: Materia Medica
- WHO Monographs on Selected Medicinal Plants, Volume 2
- Journal of Ethnopharmacology: Pharmacological effects of Alisma orientale rhizome